{"id":9755277,"date":"2026-10-13T11:16:47","date_gmt":"2026-10-13T09:16:47","guid":{"rendered":"https:\/\/wp-rocket.me\/?p=9755277"},"modified":"2026-10-13T11:16:51","modified_gmt":"2026-10-13T09:16:51","slug":"how-to-use-pagespeed-insights","status":"publish","type":"post","link":"https:\/\/wp-rocket.me\/ja\/blog\/how-to-use-pagespeed-insights\/","title":{"rendered":"Google PageSpeed Insights \u306e\u4f7f\u3044\u65b9\u30ac\u30a4\u30c9\uff1a\u30ec\u30dd\u30fc\u30c8\u306e\u8aad\u307f\u65b9\u3068\u30b9\u30b3\u30a2\u306e\u6539\u5584\u65b9\u6cd5"},"content":{"rendered":"\n<p>Google PageSpeed Insights\uff08PSI\uff09\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5206\u6790\u3059\u308b\u7121\u6599\u30c4\u30fc\u30eb\u3067\u3059\u3002\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3068\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u63a1\u70b9\u3057\u3001\u305d\u308c\u3089\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306e\u5b9f\u8df5\u7684\u306a\u30d2\u30f3\u30c8\u3092\u793a\u3057\u3066\u304f\u308c\u307e\u3059\u3002Google \u306f\u540c\u3058\u60c5\u5831\u3001\u7279\u306b Core Web Vitals \u3092\u4f7f\u3063\u3066\u3001\u691c\u7d22\u7d50\u679c\u306b\u304a\u3051\u308b\u30da\u30fc\u30b8\u306e\u63b2\u8f09\u9806\u4f4d\u3092\u6c7a\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Google PageSpeed Insights \u3068\u306f\u4f55\u304b\u3001\u3069\u306e\u3088\u3046\u306a\u60c5\u5831\u304c\u5f97\u3089\u308c\u308b\u306e\u304b\u3001\u305d\u3057\u3066\u3054\u81ea\u8eab\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u3088\u308a\u826f\u304f\u3059\u308b\u305f\u3081\u306e <strong>PageSpeed Insights \u306e\u4f7f\u3044\u65b9<\/strong>\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\ud83d\udce6 \u8981\u7d04<\/strong><\/p>\n\n<p>\u2705<a href=\"https:\/\/pagespeed.web.dev\/\">Google PageSpeed Insights\uff08PSI\uff09<\/a>\u306f\u3001<a href=\"https:\/\/wp-rocket.me\/ja\/blog\/site-speed-measurement-tools\/\">\u30a6\u30a7\u30d6\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30c6\u30b9\u30c8<\/a>\u3068 Core Web Vitals \u306e\u6e2c\u5b9a\u306e\u305f\u3081\u306e\u7121\u6599\u30c4\u30fc\u30eb\u3067\u3059\u3002\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3001\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3001\u57fa\u672c\u7684\u306a SEO\u3001AI \u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3068\u306e\u4e92\u63db\u6027\u3092\u628a\u63e1\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n<p>\u2705 PSI \u306f\u3001\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u30a6\u30a7\u30d6\u30c7\u30fc\u30bf\u3068\u3001\u5229\u7528\u3067\u304d\u308b\u5834\u5408\u306f Chrome \u30e6\u30fc\u30b6\u30fc \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9 \u30ec\u30dd\u30fc\u30c8\uff08CrUX\uff09\u306b\u3082\u3068\u3065\u304f\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u306e\u4e21\u65b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3092\u3001\u305d\u306e\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u3084\u30da\u30fc\u30b8\u8981\u7d20\u3001\u8003\u3048\u3089\u308c\u308b\u89e3\u6c7a\u7b56\u3068\u3042\u308f\u305b\u3066\u4e00\u89a7\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n<p>\u2705 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30ec\u30dd\u30fc\u30c8\u306e\u4e2d\u5fc3\u3068\u306a\u308b\u306e\u304c <a href=\"https:\/\/wp-rocket.me\/google-core-web-vitals-wordpress\/\">Core Web Vitals \u306e\u6307\u6a19<\/a>\u3067\u3059\u3002\u5b8c\u74a7\u306a 100\/100 \u306e\u30b9\u30b3\u30a2\u3092\u8ffd\u3044\u6c42\u3081\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u3053\u3053\u3067\u5408\u683c\u306e\u8a55\u4fa1\u3092\u5f97\u308b\u3053\u3068\u306b\u96c6\u4e2d\u3057\u307e\u3057\u3087\u3046\u3002\u3055\u3089\u306b\u3001\u30da\u30fc\u30b8\u5358\u4f4d\u306e\u5909\u66f4\u3088\u308a\u5148\u306b\u3001\u30e2\u30d0\u30a4\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u6539\u5584\u3092\u512a\u5148\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<p>\u2705 <a href=\"https:\/\/wp-rocket.me\/ja\/pricing\/\">WP Rocket<\/a> \u3068 <a href=\"https:\/\/wp-rocket.me\/blog\/imagify\/\">Imagify<\/a> \u306f\u3001\u30b3\u30fc\u30c9\u3092\u4e00\u5207\u66f8\u304b\u305a\u306b PageSpeed Insights \u306e\u7d50\u679c\u3068 Core Web Vitals \u3092\u6539\u5584\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u30012\u3064\u306e WordPress \u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3002WP Rocket \u306f\u6709\u52b9\u5316\u3068\u540c\u6642\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306e80%\u3092\u81ea\u52d5\u7684\u306b\u9069\u7528\u3057\u3001\u3055\u3089\u306b\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u4f7f\u3048\u308b\u6539\u5584\u6a5f\u80fd\u3082\u5099\u3048\u3066\u3044\u307e\u3059\u3002Imagify \u306f\u3001\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u81ea\u52d5\u7684\u306b\u5727\u7e2e\u3057\u3001WebP \u3084 AVIF \u306a\u3069\u306e\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3001\u753b\u50cf\u306b\u95a2\u3059\u308b\u8b66\u544a\u306e\u89e3\u6d88\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n<p>\u2705 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u7d99\u7d9a\u7684\u306b\u76e3\u8996\u3057\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u3067\u30c6\u30b9\u30c8\u3057\u3066\u3001\u6539\u5584\u304c\u30e9\u30dc\u306e\u30b9\u30b3\u30a2\u306e\u5411\u4e0a\u3060\u3051\u3067\u306a\u304f\u3001\u5b9f\u969b\u306e\u4f53\u9a13\u306e\u5411\u4e0a\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u304b\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Google PageSpeed Insights \u3068\u306f\uff1f<\/h2>\n\n\n\n<p><a href=\"https:\/\/wp-rocket.me\/ja\/blog\/pagespeed-insights-score\/\">PageSpeed Insights\uff08PSI\uff09<\/a>\u306f\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5206\u6790\u3057\u3001\u6539\u5584\u3059\u308b\u305f\u3081\u306b Google \u304c\u4f5c\u3063\u305f\u7121\u6599\u30c4\u30fc\u30eb\u3067\u3059\u3002Google \u304c\u958b\u767a\u3057\u305f\u3001\u3082\u30461\u3064\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30c4\u30fc\u30eb\u3067\u3042\u308b Lighthouse \u3092\u30d9\u30fc\u30b9\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"1915\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-map.jpg\" alt=\"PageSpeed Insights \u306e\u30ec\u30dd\u30fc\u30c8\u306e\u5168\u4f53\u56f3\uff08Core Web Vitals \u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u67fb\u306e\u30e9\u30dc\u30c7\u30fc\u30bf\u3001\u8a3a\u65ad\u3068\u6539\u5584\u306e\u6a5f\u4f1a\u3001\u5408\u683c\u3057\u305f\u76e3\u67fb\uff09\" class=\"wp-image-9514825\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-map.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-map-81x195.jpg 81w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-map-768x1838.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>PSI \u306e\u30a2\u30c9\u30d0\u30a4\u30b9\u306b\u5f93\u3046\u3053\u3068\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u3092\u901f\u304f\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3060\u3051\u3067\u306a\u304f\u3001<a href=\"https:\/\/wp-rocket.me\/blog\/seo-optimization\/\">SEO \u306b\u3082\u30d7\u30e9\u30b9\u306b\u306a\u308a\u307e\u3059<\/a>\u3002Google \u306f\u3001PSI \u306b\u8868\u793a\u3055\u308c\u308b\u306e\u3068\u540c\u3058\u60c5\u5831\u3092\u4f7f\u3063\u3066\u691c\u7d22\u9806\u4f4d\u3092\u6c7a\u3081\u3066\u3044\u307e\u3059\u3002\u7279\u306b Core Web Vitals \u306f\u3001<a href=\"https:\/\/developers.google.com\/search\/docs\/appearance\/page-experience\">\u691c\u7d22\u7d50\u679c\u3067\u306e\u30da\u30fc\u30b8\u306e\u9732\u51fa\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059<\/a>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"504\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/core-web-vitals-are-part-of-googles-ranking-systems.jpg\" alt=\"Core Web Vitals \u304c Google \u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u4e00\u90e8\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059 Google \u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\" class=\"wp-image-9514835\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/core-web-vitals-are-part-of-googles-ranking-systems.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/core-web-vitals-are-part-of-googles-ranking-systems-310x195.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/core-web-vitals-are-part-of-googles-ranking-systems-768x484.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Google PSI \u306e\u4f7f\u3044\u65b9\u306f\u3044\u305f\u3063\u3066\u7c21\u5358\u3067\u3059\u3002<a href=\"https:\/\/pagespeed.web.dev\/\">\u30c4\u30fc\u30eb\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u30c6\u30b9\u30c8\u3057\u305f\u3044\u30da\u30fc\u30b8\u306e URL \u3092\u4e0a\u90e8\u306e\u5165\u529b\u6b04\u306b\u5165\u529b\u3057\u3066\u3001Enter \u30ad\u30fc\u3092\u62bc\u3059\u304b<strong>\u300c\u5206\u6790\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"302\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-homepage.jpg\" alt=\"URL \u306e\u5165\u529b\u6b04\u3068\u5206\u6790\u30dc\u30bf\u30f3\u304c\u3042\u308b PageSpeed Insights \u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\" class=\"wp-image-9514846\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-homepage.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-homepage-310x117.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-homepage-768x290.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u901a\u5e38\u30011\u5206\u3082\u304b\u304b\u3089\u305a\u306b\u5b8c\u5168\u306a\u30ec\u30dd\u30fc\u30c8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ec\u30dd\u30fc\u30c8\u306e\u5404\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u8aad\u307f\u65b9<\/h2>\n\n\n\n<p><a href=\"https:\/\/wp-rocket.me\/ja\/blog\/pagespeed-insights-score\/\">PageSpeed Insights \u306e\u30ec\u30dd\u30fc\u30c8<\/a>\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30d1\u30fc\u30c8\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u5185\u5bb9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e2\u30d0\u30a4\u30eb\u3068\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/h3>\n\n\n\n<p>\u753b\u9762\u4e0a\u90e8\u3067\u306f\u3001\u30b5\u30a4\u30c8\u306e\u30e2\u30d0\u30a4\u30eb\u7248\u3068\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7248\u306e\u30ec\u30dd\u30fc\u30c8\u3092\u5207\u308a\u66ff\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"187\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/switch-between-mobile-and-desktop-results.jpg\" alt=\"PageSpeed Insights \u3067\u30e2\u30d0\u30a4\u30eb\u3068\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u7d50\u679c\u3092\u5207\u308a\u66ff\u3048\u308b\u30bf\u30d6\" class=\"wp-image-9514857\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/switch-between-mobile-and-desktop-results.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/switch-between-mobile-and-desktop-results-310x72.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/switch-between-mobile-and-desktop-results-768x180.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>PageSpeed Insights \u306f\u3001\u3053\u306e2\u3064\u3092\u5225\u3005\u306b\u30c6\u30b9\u30c8\u3057\u307e\u3059\u3002\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306f\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306b\u6bd4\u3079\u3066\u51e6\u7406\u80fd\u529b\u304c\u4f4e\u304f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3082\u9045\u3044\u50be\u5411\u304c\u3042\u308b\u305f\u3081\u3001\u30e2\u30d0\u30a4\u30eb\u3067\u306f\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u9045\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5927\u534a\u304c<a href=\"https:\/\/gs.statcounter.com\/platform-market-share\/desktop-mobile-tablet\/worldwide\">\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u30bf\u30d6\u30ec\u30c3\u30c8\u304b\u3089\u306e\u3082\u306e<\/a>\u3067\u3042\u308b\u305f\u3081\u3001\u3053\u306e\u30c4\u30fc\u30eb\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30e2\u30d0\u30a4\u30eb\u306e\u7d50\u679c\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/desktop-vs-mobile-market-share.jpg\" alt=\"\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3001\u30e2\u30d0\u30a4\u30eb\u3001\u30bf\u30d6\u30ec\u30c3\u30c8\u306e\u4e16\u754c\u306e\u5e02\u5834\u30b7\u30a7\u30a2\u306e\u63a8\u79fb\uff08StatCounter\u30012025\u5e745\u6708\u304b\u30892026\u5e745\u6708\uff09\" class=\"wp-image-9514867\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/desktop-vs-mobile-market-share.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/desktop-vs-mobile-market-share-310x174.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/desktop-vs-mobile-market-share-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u3055\u3089\u306b\u3001Google \u306f\u30e2\u30d0\u30a4\u30eb\u30d5\u30a1\u30fc\u30b9\u30c8\u306e\u691c\u7d22\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u3063\u3066\u304a\u308a\u3001\u691c\u7d22\u9806\u4f4d\u306f\u30b5\u30a4\u30c8\u306e\u30e2\u30d0\u30a4\u30eb\u7248\u306b\u3082\u3068\u3065\u3044\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"624\" height=\"449\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-mobile-first-index-diagram.jpg\" alt=\"Google \u306e\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30d5\u30a1\u30fc\u30b9\u30c8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3068\u30e2\u30d0\u30a4\u30eb\u30d5\u30a1\u30fc\u30b9\u30c8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6bd4\u8f03\u3057\u305f\u56f3\" class=\"wp-image-9514877\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-mobile-first-index-diagram.jpg 624w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-mobile-first-index-diagram-271x195.jpg 271w\" sizes=\"auto, (max-width: 624px) 100vw, 624px\" \/><\/figure>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001\u30e2\u30d0\u30a4\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u305f\u3081\u306b\u884c\u3046\u6539\u5584\u306e\u5927\u90e8\u5206\u306f\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7248\u306b\u3082\u5f15\u304d\u7d99\u304c\u308c\u308b\u305f\u3081\u3001<a href=\"https:\/\/wp-rocket.me\/blog\/mobile-site-speed-optimization\/\">\u30e2\u30d0\u30a4\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6539\u5584<\/a>\u3059\u308c\u3070\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u8a2a\u554f\u8005\u3082\u305d\u306e\u6069\u6075\u3092\u53d7\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a6\u30a7\u30d6\u306b\u95a2\u3059\u308b\u4e3b\u306a\u6307\u6a19\u306e\u8a55\u4fa1\uff08Core Web Vitals Assessment\uff09<\/h3>\n\n\n\n<p>Core Web Vitals \u306f\u3001<a href=\"https:\/\/developers.google.com\/search\/blog\/2020\/05\/evaluating-page-experience\">2020\u5e74\u306b Google \u304c\u5c0e\u5165\u3057<\/a>\u3001<a href=\"https:\/\/developers.google.com\/search\/blog\/2021\/04\/more-details-page-experience\">2021\u5e74\u306b\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u56e0\u3068\u306a\u3063\u305f<\/a>\u6307\u6a19\u3067\u3059\u3002\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u6e2c\u5b9a\u3059\u308b\u3082\u306e\u3067\u3001\u73fe\u5728\u306f\u6b21\u306e3\u3064\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/improve-largest-contentful-paint\/\">Largest Contentful Paint\uff08LCP\uff09<\/a>\uff1a\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8aad\u307f\u8fbc\u307f\u306e\u901f\u3055\u3001\u5177\u4f53\u7684\u306b\u306f\u30e1\u30a4\u30f3\u30b3\u30f3\u30c6\u30f3\u30c4\uff08\u30d2\u30fc\u30ed\u30fc\u753b\u50cf\u306a\u3069\uff09\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u8a08\u6e2c\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/wp-rocket.me\/blog\/improve-interaction-to-next-paint\/\">Interaction to Next Paint\uff08INP\uff09<\/a>\uff1a\u30af\u30ea\u30c3\u30af\u3084\u30bf\u30c3\u30d7\u306a\u3069\u306e\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u306b\u3001\u30b5\u30a4\u30c8\u304c\u3069\u308c\u3060\u3051\u901f\u304f\u53cd\u5fdc\u3059\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002<a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/improve-first-input-delay\/\">First Input Delay\uff08FID\uff09<\/a>\u6307\u6a19\u306e\u5f8c\u7d99\u3067\u3059\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/improve-cumulative-layout-shift\/\">Cumulative Layout Shift\uff08CLS\uff09<\/a>\uff1a\u30da\u30fc\u30b8\u306e\u8996\u899a\u7684\u306a\u5b89\u5b9a\u6027\u3001\u305f\u3068\u3048\u3070\u8aad\u307f\u8fbc\u307f\u4e2d\u306b\u65b0\u305f\u306b\u8868\u793a\u3055\u308c\u305f\u8981\u7d20\u304c\u307b\u304b\u306e\u8981\u7d20\u3092\u62bc\u3057\u4e0b\u3052\u3066\u3044\u306a\u3044\u304b\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u300c\u30a6\u30a7\u30d6\u306b\u95a2\u3059\u308b\u4e3b\u306a\u6307\u6a19\u306e\u8a55\u4fa1\u300d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u304c PageSpeed Insights \u306e\u4e0a\u90e8\u306b\u8868\u793a\u3055\u308c\u308b\u306e\u306f\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b Chrome \u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u5341\u5206\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u3042\u308b\u5834\u5408\u3060\u3051\u3067\u3059\u3002\u3053\u3053\u3067\u306e\u30c7\u30fc\u30bf\u306f\u3001\u904e\u53bb28\u65e5\u9593\u306b\u8a2a\u554f\u8005\u304c\u305d\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u3067\u5b9f\u969b\u306b\u4f53\u9a13\u3057\u305f Core Web Vitals \u306b\u3082\u3068\u3065\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"389\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-core-web-vitals-assessment.jpg\" alt=\"PageSpeed Insights \u306e\u300c\u30a6\u30a7\u30d6\u306b\u95a2\u3059\u308b\u4e3b\u306a\u6307\u6a19\u306e\u8a55\u4fa1\u300d\uff08\u5408\u683c\uff09\u3068\u3001LCP\u3001INP\u3001CLS\u3001FCP\u3001TTFB \u306e\u5024\" class=\"wp-image-9514898\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-core-web-vitals-assessment.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-core-web-vitals-assessment-310x151.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-core-web-vitals-assessment-768x373.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u3053\u306e\u8a55\u4fa1\u3067\u306f\u3001\u300c\u5408\u683c\u300d\u304b\u300c\u4e0d\u5408\u683c\u300d\u304b\u304c\u3001\u5404\u6307\u6a19\u306e\u8a73\u7d30\u3068\u3068\u3082\u306b\u306f\u3063\u304d\u308a\u3068\u793a\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001<a href=\"https:\/\/wp-rocket.me\/ja\/lighthouse-performance-score-wordpress\/improve-first-contentful-paint\/\">First Contentful Paint\uff08FCP\uff09<\/a>\u3068 <a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/reduce-ttfb-server-response-times\/\">Time to First Byte\uff08TTFB\uff09<\/a>\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u3001\u30da\u30fc\u30b8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u6700\u521d\u306e\u4e00\u90e8\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u5fdc\u7b54\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u8a08\u6e2c\u3059\u308b\u6307\u6a19\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u53f3\u4e0a\u306b\u3042\u308b\u5c0f\u3055\u306a<strong>\u300c\u3053\u306e URL\u300d\uff0f\u300c\u30aa\u30ea\u30b8\u30f3\u300d<\/strong>\u306e\u5207\u308a\u66ff\u3048\u306b\u6ce8\u76ee\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"293\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/this-url-origin-switch.jpg\" alt=\"\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u306e\u53f3\u4e0a\u306b\u3042\u308b\u300c\u3053\u306e URL\u300d\u3068\u300c\u30aa\u30ea\u30b8\u30f3\u300d\u306e\u5207\u308a\u66ff\u3048\" class=\"wp-image-9514913\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/this-url-origin-switch.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/this-url-origin-switch-310x114.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/this-url-origin-switch-768x281.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u3053\u306e\u5207\u308a\u66ff\u3048\u3092\u4f7f\u3046\u3068\u3001\u30c6\u30b9\u30c8\u3057\u305f\u30da\u30fc\u30b8\u306e\u300c\u30a6\u30a7\u30d6\u306b\u95a2\u3059\u308b\u4e3b\u306a\u6307\u6a19\u306e\u8a55\u4fa1\u300d\u3068\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u5e73\u5747\u3092\u884c\u304d\u6765\u3057\u3066\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u3042\u308b\u30da\u30fc\u30b8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u307b\u304b\u306e\u30da\u30fc\u30b8\u3088\u308a\u5927\u5e45\u306b\u60aa\u3044\u304b\u3069\u3046\u304b\u3092\u628a\u63e1\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/h3>\n\n\n\n<p><strong>\u300c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u300d<\/strong>\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u3082\u3001\u4e0a\u3068\u540c\u69d8\u306e\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"487\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-performance-audit.jpg\" alt=\"\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30b9\u30b3\u30a2 99 \u30685\u3064\u306e\u6307\u6a19\u304c\u8868\u793a\u3055\u308c\u305f PageSpeed Insights \u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u67fb\" class=\"wp-image-9514925\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-performance-audit.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-performance-audit-310x189.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-performance-audit-768x468.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u524d\u8ff0\u306e LCP\u3001FCP\u3001CLS \u3092\u306f\u3058\u3081\u3068\u3059\u308b\u91cd\u8981\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19\u306e\u5185\u8a33\u306b\u52a0\u3048\u3066\u3001\u6b21\u306e2\u3064\u306e\u6307\u6a19\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/wp-rocket.me\/ja\/lighthouse-performance-score-wordpress\/reduce-total-blocking-time\/\">Total Blocking Time\uff08TBT\uff09<\/a>\uff1a\u30d6\u30e9\u30a6\u30b6\u304c\u5165\u529b\u306b\u5fdc\u7b54\u3059\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u3067\u3059\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/wp-rocket.me\/ja\/lighthouse-performance-score-wordpress\/improve-speed-index\/\">Speed Index<\/a>\uff1a\u30da\u30fc\u30b8\u304c\u898b\u305f\u76ee\u306e\u3046\u3048\u3067\u5b8c\u6210\u3059\u308b\u307e\u3067\u306e\u901f\u3055\u3067\u3059\u3002<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6307\u6a19\u306f\u3059\u3079\u3066\u3001\u4e0a\u90e8\u306b\u8868\u793a\u3055\u308c\u308b\u7dcf\u5408\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30b9\u30b3\u30a2\u306b\u53cd\u6620\u3055\u308c\u307e\u3059\u3002\u5404\u6307\u6a19\u304c\u30b9\u30b3\u30a2\u306b\u5360\u3081\u308b\u5272\u5408\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/googlechrome.github.io\/lighthouse\/scorecalc\/#FCP=3614&amp;LCP=4576&amp;TBT=281&amp;CLS=0.03&amp;SI=8153&amp;TTI=22469&amp;device=mobile&amp;version=13.3.0\">Lighthouse Scoring Calculator<\/a> \u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"385\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lighthouse-scoring-calculator.jpg\" alt=\"\u5404\u6307\u6a19\u306e\u5024\u3001\u6307\u6a19\u30b9\u30b3\u30a2\u3001\u91cd\u307f\u4ed8\u3051\u3092\u8868\u793a\u3057\u305f Lighthouse Scoring Calculator\" class=\"wp-image-9514938\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lighthouse-scoring-calculator.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lighthouse-scoring-calculator-310x149.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lighthouse-scoring-calculator-768x370.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>90\uff5e100 \u304c\u826f\u597d\u306a\u30b9\u30b3\u30a2\u3067\u300150\uff5e89 \u306f\u6539\u5584\u304c\u5fc5\u8981\u300150 \u672a\u6e80\u306f\u3059\u3079\u3066\u4e0d\u826f\u3068\u307f\u306a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5148\u307b\u3069\u306e\u8a55\u4fa1\u3068\u306f\u7570\u306a\u308a\u3001\u3053\u3061\u3089\u306f\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u30e9\u30dc\u30c7\u30fc\u30bf\u3067\u3059\u3002\u4f7f\u7528\u3055\u308c\u305f\u30a8\u30df\u30e5\u30ec\u30fc\u30c8\u30c7\u30d0\u30a4\u30b9\u306e\u4ed5\u69d8\u306f\u3001\u4e0b\u90e8\u306e\u30b0\u30ec\u30fc\u306e\u30dc\u30c3\u30af\u30b9\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u8aad\u307f\u8fbc\u307f\u306e\u904e\u7a0b\u3067\u8981\u7d20\u304c\u753b\u9762\u306b\u3069\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u304f\u304b\u3092\u793a\u3059\u30d5\u30a3\u30eb\u30e0\u30b9\u30c8\u30ea\u30c3\u30d7\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"322\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lab-data-device-specs-and-filmstrip.jpg\" alt=\"\u30e9\u30dc\u30c7\u30fc\u30bf\u306e\u30a8\u30df\u30e5\u30ec\u30fc\u30c8\u30c7\u30d0\u30a4\u30b9\u306e\u4ed5\u69d8\u3068\u30d5\u30a3\u30eb\u30e0\u30b9\u30c8\u30ea\u30c3\u30d7\" class=\"wp-image-9515003\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lab-data-device-specs-and-filmstrip.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lab-data-device-specs-and-filmstrip-310x125.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lab-data-device-specs-and-filmstrip-768x309.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a4\u30f3\u30b5\u30a4\u30c8\u3068\u8a3a\u65ad<\/h3>\n\n\n\n<p><strong>\u300c\u30a4\u30f3\u30b5\u30a4\u30c8\u300d<\/strong>\u3068<strong>\u300c\u8a3a\u65ad\u300d<\/strong>\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Google PageSpeed Insights \u304c\u30da\u30fc\u30b8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u59a8\u3052\u3066\u3044\u308b\u5177\u4f53\u7684\u306a\u8981\u56e0\u3092\u4e00\u89a7\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"466\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/insights-and-diagnostics-section.jpg\" alt=\"PageSpeed Insights \u306e\u300c\u30a4\u30f3\u30b5\u30a4\u30c8\u300d\u3068\u300c\u8a3a\u65ad\u300d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\" class=\"wp-image-9515017\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/insights-and-diagnostics-section.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/insights-and-diagnostics-section-310x181.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/insights-and-diagnostics-section-768x447.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u5404\u9805\u76ee\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u554f\u984c\u306e\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u308b\u5177\u4f53\u7684\u306a\u30da\u30fc\u30b8\u8981\u7d20\u3084\u30d5\u30a1\u30a4\u30eb\u304c\u3001\u8003\u3048\u3089\u308c\u308b\u89e3\u6c7a\u7b56\u3084\u53c2\u8003\u8cc7\u6599\u3078\u306e\u30ea\u30f3\u30af\u3068\u3042\u308f\u305b\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"330\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/insights-details.jpg\" alt=\"\u30a4\u30f3\u30b5\u30a4\u30c8\u3092\u5c55\u958b\u3057\u3001\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u4e00\u89a7\u8868\u793a\u3057\u305f\u8a73\u7d30\u753b\u9762\" class=\"wp-image-9515029\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/insights-details.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/insights-details-310x128.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/insights-details-768x317.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001<a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/optimize-dom-size\/\">DOM \u30b5\u30a4\u30ba\u306e\u6700\u9069\u5316<\/a>\u3084\u3001\u30e2\u30d0\u30a4\u30eb\u5411\u3051\u306e\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u306e\u8abf\u6574\u306a\u3069\u306b\u95a2\u3059\u308b\u30a2\u30c9\u30d0\u30a4\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a4\u30f3\u30b5\u30a4\u30c8\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30b9\u30b3\u30a2\u306b\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u8981\u56e0\u3067\u3059\u3002\u8a3a\u65ad\u306f\u30b9\u30b3\u30a2\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u305b\u3093\u304c\u3001\u305d\u308c\u3067\u3082\u30da\u30fc\u30b8\u304c\u9045\u3044\u7406\u7531\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3069\u3061\u3089\u3082\u3001\u5f71\u97ff\u3059\u308b\u4e3b\u306a\u6307\u6a19\u3067\u7d5e\u308a\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"164\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/filter-audits-by-metric.jpg\" alt=\"\u6307\u6a19\uff08FCP\u3001LCP\u3001TBT\u3001CLS\uff09\u3067\u76e3\u67fb\u3092\u7d5e\u308a\u8fbc\u3080\u30d5\u30a3\u30eb\u30bf\u30fc\" class=\"wp-image-9515040\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/filter-audits-by-metric.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/filter-audits-by-metric-310x64.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/filter-audits-by-metric-768x157.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001\u4e0b\u90e8\u306b\u306f\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u5408\u683c\u3057\u305f\u76e3\u67fb\u306e\u4e00\u89a7\u304c\u3042\u308a\u307e\u3059\u3002\u30af\u30ea\u30c3\u30af\u3057\u3066\u5c55\u958b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"712\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-passed-insights.jpg\" alt=\"PageSpeed Insights \u306e\u300c\u5408\u683c\u3057\u305f\u76e3\u67fb\u300d\u306e\u4e00\u89a7\" class=\"wp-image-9515050\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-passed-insights.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-passed-insights-219x195.jpg 219w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-passed-insights-768x684.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u89e3\u6c7a\u3067\u304d\u305f\u30a4\u30f3\u30b5\u30a4\u30c8\u3084\u554f\u984c\u306f\u3001\u6b21\u56de\u306e\u30c6\u30b9\u30c8\u3067\u3053\u3053\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e6\u30fc\u30b6\u30fc\u88dc\u52a9\uff08\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\uff09<\/h3>\n\n\n\n<p>PageSpeed Insights \u304c\u8a08\u6e2c\u3059\u308b\u306e\u306f\u3001\u30da\u30fc\u30b8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6307\u6a19\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u5168\u4f53\u3067\u3059\u3002\u305d\u306e1\u3064\u304c<a href=\"https:\/\/wp-rocket.me\/blog\/web-accessibility-seo\/\">\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3<\/a>\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u969c\u304c\u3044\u306e\u3042\u308b\u4eba\u306b\u3068\u3063\u3066\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u3069\u308c\u3060\u3051\u4f7f\u3044\u3084\u3059\u3044\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30ec\u30dd\u30fc\u30c8\u306e\u4ed5\u7d44\u307f\u306f<strong>\u300c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u300d<\/strong>\u30bb\u30af\u30b7\u30e7\u30f3\u3068\u4f3c\u3066\u304a\u308a\u3001\u4e0a\u90e8\u306b\u7dcf\u5408\u30b9\u30b3\u30a2\u3001\u305d\u306e\u4e0b\u306b\u8a73\u3057\u3044\u691c\u51fa\u7d50\u679c\u3068\u6539\u5584\u63d0\u6848\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"603\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-accessibility-audit.jpg\" alt=\"PageSpeed Insights \u306e\u30e6\u30fc\u30b6\u30fc\u88dc\u52a9\uff08\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\uff09\u306e\u76e3\u67fb\u7d50\u679c\uff08\u30b9\u30b3\u30a2 95\uff09\" class=\"wp-image-9515065\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-accessibility-audit.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-accessibility-audit-259x195.jpg 259w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-accessibility-audit-768x579.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u3053\u3053\u3067\u306e\u30a2\u30c9\u30d0\u30a4\u30b9\u306f\u3001\u4e3b\u306b\u6b21\u306e\u3088\u3046\u306a\u70b9\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u3067\u306e\u4f7f\u3044\u3084\u3059\u3055<\/li>\n\n\n\n<li>\u30ad\u30fc\u30dc\u30fc\u30c9\u3067\u306e\u64cd\u4f5c<\/li>\n\n\n\n<li>\u5341\u5206\u306a\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u63a8\u5968\u3055\u308c\u308b\u6539\u5584\u70b9\u3001\u624b\u52d5\u3067\u78ba\u8a8d\u3059\u308b\u9805\u76ee\u3001\u5408\u683c\u3057\u305f\u76e3\u67fb\u304c\u4e00\u89a7\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\udca1<a href=\"https:\/\/wp-rocket.me\/blog\/conduct-accessibility-audit-wordpress-site\/\">\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u76e3\u67fb\u306e\u5b9f\u65bd\u65b9\u6cd5<\/a>\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u304a\u3059\u3059\u3081\u306e\u65b9\u6cd5\uff08\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff09<\/h3>\n\n\n\n<p>PSI \u30ec\u30dd\u30fc\u30c8\u306e\u3053\u306e\u30d1\u30fc\u30c8\u3067\u306f\u3001\u30da\u30fc\u30b8\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u6280\u8853\u7684\u306a\u5b9f\u88c5\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u3082\u3001\u7dcf\u5408\u30b9\u30b3\u30a2\u3068\u3001\u305d\u306e\u4e0b\u306b\u8ffd\u52a0\u306e\u8a73\u7d30\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"628\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-best-practices-audit.jpg\" alt=\"PageSpeed Insights \u306e\u304a\u3059\u3059\u3081\u306e\u65b9\u6cd5\uff08\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff09\u306e\u76e3\u67fb\u7d50\u679c\uff08\u30b9\u30b3\u30a2 100\uff09\" class=\"wp-image-9515082\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-best-practices-audit.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-best-practices-audit-248x195.jpg 248w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-best-practices-audit-768x603.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u4f55\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u3088\u3046\u306a\u9805\u76ee\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/wp-rocket.me\/blog\/https-affects-website-performance\/\">HTTPS \u306b\u3088\u308b\u6697\u53f7\u5316<\/a><\/li>\n\n\n\n<li>Cookie \u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u6b63\u3057\u3044\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3068\u89e3\u50cf\u5ea6\u3067\u306e\u753b\u50cf\u306e\u8868\u793a<\/li>\n\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">SEO<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"421\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-seo-audit.jpg\" alt=\"PageSpeed Insights \u306e SEO \u306e\u76e3\u67fb\u7d50\u679c\uff08\u30b9\u30b3\u30a2 100\uff09\" class=\"wp-image-9515095\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-seo-audit.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-seo-audit-310x163.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-seo-audit-768x404.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001<a href=\"https:\/\/wp-rocket.me\/blog\/seo-audit-wordpress\/\">SEO \u30ec\u30dd\u30fc\u30c8<\/a>\u3067\u306f\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u6b21\u306e\u3088\u3046\u306a\u57fa\u672c\u7684\u306a<a href=\"https:\/\/wp-rocket.me\/blog\/technical-seo-wordpress\/\">\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u6700\u9069\u5316\u306e\u624b\u6cd5<\/a>\u306b\u6cbf\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5206\u6790\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u767b\u9332\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068<\/li>\n\n\n\n<li><a href=\"https:\/\/wp-rocket.me\/blog\/seo-metatags-wordpress\/\">\u30e1\u30bf\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3<\/a>\u3068\u753b\u50cf\u306e alt \u30c6\u30ad\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068<\/li>\n\n\n\n<li>\u6709\u52b9\u306a <a href=\"https:\/\/wp-rocket.me\/blog\/common-wordpress-robots-txt-mistakes\/\">robots.txt<\/a> \u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308b\u3053\u3068<\/li>\n\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u3088\u308b\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-agentic-browsing-audit.jpg\" alt=\"PageSpeed Insights \u306e\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u3088\u308b\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u306e\u76e3\u67fb\u7d50\u679c\uff082\/2 \u5408\u683c\uff09\" class=\"wp-image-9515112\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-agentic-browsing-audit.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-agentic-browsing-audit-289x195.jpg 289w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/google-pagespeed-insights-agentic-browsing-audit-768x518.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>PageSpeed Insights \u306b\u6700\u3082\u65b0\u3057\u304f\u8ffd\u52a0\u3055\u308c\u305f\u306e\u304c\u3001<strong>\u300c\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u3088\u308b\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u300d<\/strong>\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c AI \u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3068\u306e\u3084\u308a\u53d6\u308a\u306b\u5411\u3051\u3066\u3069\u306e\u7a0b\u5ea6\u9069\u5207\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578b\u30a6\u30a7\u30d6\u306e\u6a19\u6e96\u306f\u307e\u3060\u767a\u5c55\u9014\u4e0a\u306e\u305f\u3081\u3001\u3053\u306e\u6a5f\u80fd\u306f\u73fe\u5728\u306e\u3068\u3053\u308d\u300c\u8a66\u9a13\u904b\u7528\u7248\u300d\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u30010\uff5e100 \u306e\u30b9\u30b3\u30a2\u3082\u8868\u793a\u3055\u308c\u305a\u3001\u4ee3\u308f\u308a\u306b\u30c1\u30a7\u30c3\u30af\u5bfe\u8c61\u306e\u6a5f\u80fd\u3054\u3068\u306b\u5408\u683c\u304b\u4e0d\u5408\u683c\u304b\u306e\u7d50\u679c\u304c\u4e00\u89a7\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u73fe\u6642\u70b9\u3067\u30c1\u30a7\u30c3\u30af\u3055\u308c\u308b\u306e\u306f\u3001\u6b21\u306e\u9805\u76ee\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30a4\u30c8\u69cb\u9020\u306e\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3<\/li>\n\n\n\n<li>WebMCP \u3068\u306e\u4e92\u63db\u6027<\/li>\n\n\n\n<li>llms.txt \u306e\u8a2d\u5b9a<\/li>\n\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u3068\u30e9\u30dc\u30c7\u30fc\u30bf\uff1a\u305d\u306e\u9055\u3044\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>PSI \u304c\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u3068\u30e9\u30dc\u30c7\u30fc\u30bf\u306e\u4e21\u65b9\u3092\u4f7f\u3063\u3066\u3044\u308b\u3053\u3068\u306f\u3001\u3059\u3067\u306b\u89e6\u308c\u307e\u3057\u305f\u3002\u305d\u308c\u305e\u308c\u306e\u7528\u8a9e\u306e\u610f\u5473\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf<\/strong>\u306f\u3001<a href=\"https:\/\/developer.chrome.com\/docs\/crux\">Chrome \u30e6\u30fc\u30b6\u30fc \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9 \u30ec\u30dd\u30fc\u30c8\uff08CrUX\uff09<\/a>\u304b\u3089\u5f97\u3089\u308c\u308b\u30c7\u30fc\u30bf\u3067\u3059\u3002\u4eba\u3005\u304c\u30a6\u30a7\u30d6\u3092\u95b2\u89a7\u3059\u308b\u969b\u306b Google \u306e Chrome \u30d6\u30e9\u30a6\u30b6\u306b\u3088\u3063\u3066\u53ce\u96c6\u3055\u308c\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u3092\u8a2a\u308c\u305f\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u73fe\u5b9f\u306b\u4f53\u9a13\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4e00\u65b9\u3001<strong>\u30e9\u30dc\u30c7\u30fc\u30bf<\/strong>\u306f\u3001\u4eee\u60f3\u30c7\u30d0\u30a4\u30b9\u306b\u3088\u308b\u30b5\u30a4\u30c8\u3078\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u8a2a\u554f\u304b\u3089\u5f97\u3089\u308c\u308b\u30c7\u30fc\u30bf\u3067\u3059\u3002\u7279\u5b9a\u306e1\u3064\u306e\u6761\u4ef6\u4e0b\u3067\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3057\u304b\u793a\u3055\u305a\u3001\u76ee\u5b89\u3092\u3064\u304b\u3080\u306b\u306f\u6700\u9069\u3067\u3059\u304c\u3001\u5b9f\u969b\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u53cd\u6620\u3057\u305f\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u73fe\u5b9f\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u5834\u5408\u306f\u3001\u306f\u308b\u304b\u306b\u591a\u304f\u306e\u5909\u52d5\u8981\u56e0\u304c\u52a0\u308f\u308b\u305f\u3081\u30012\u7a2e\u985e\u306e\u30c7\u30fc\u30bf\u306f\u5927\u304d\u304f\u7570\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u3055\u307e\u3056\u307e\u306a\u5834\u6240\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3057\u3001\u7570\u306a\u308b\u30c7\u30d0\u30a4\u30b9\u3084\u30d6\u30e9\u30a6\u30b6\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306a\u3069\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>2\u3064\u306e\u3046\u3061\u3067\u306f\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u306e\u307b\u3046\u304c\u91cd\u8981\u3067\u3059\u3002\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u3067\u826f\u3044\u4f53\u9a13\u3092\u3057\u3066\u307b\u3057\u3044\u76f8\u624b\u306f\u5b9f\u969b\u306e\u4eba\u3005\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u53ef\u80fd\u306a\u304b\u304e\u308a\u3001\u9032\u6357\u306e\u6e2c\u5b9a\u306b\u306f\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u3092\u3001\u554f\u984c\u306e\u5177\u4f53\u7684\u306a\u539f\u56e0\u306e\u7279\u5b9a\u306b\u306f\u30e9\u30dc\u30c7\u30fc\u30bf\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PSI \u306e\u6539\u5584\u63d0\u6848\u306f\u3069\u308c\u304b\u3089\u5bfe\u5fdc\u3059\u308b\u304b<\/h2>\n\n\n\n<p>PageSpeed Insights \u304c\u793a\u3059\u60c5\u5831\u306b\u306f\u3001\u6b21\u306e\u9806\u756a\u3067\u53d6\u308a\u7d44\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3088\u308a\u30e2\u30d0\u30a4\u30eb\u3092\u512a\u5148<\/strong>\uff1a\u524d\u8ff0\u306e\u3068\u304a\u308a\u3001\u30e2\u30d0\u30a4\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u307b\u3046\u304c\u91cd\u8981\u3067\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u6307\u6a19\u3082\u901a\u5e38\u306f\u305d\u308c\u306b\u4f34\u3063\u3066\u6539\u5584\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>Core Web Vitals \u3068\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf<\/strong>\uff1a\u30e9\u30dc\u30c7\u30fc\u30bf\u3067\u306f\u306a\u304f\u3001Core Web Vitals \u3068\u5b9f\u969b\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6539\u5584\u306b\u96c6\u4e2d\u3057\u307e\u3057\u3087\u3046\u3002\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u306e\u96c6\u8a08\u671f\u9593\u306f28\u65e5\u9593\u306a\u306e\u3067\u3001\u6539\u5584\u304c\u53cd\u6620\u3055\u308c\u308b\u307e\u3067\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u306b\u7559\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li><strong>\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u6539\u5584\u304b\u3089\u30da\u30fc\u30b8\u5358\u4f4d\u306e\u6539\u5584\u3078<\/strong>\uff1a\u30da\u30fc\u30b8\u5358\u4f4d\u306e\u5909\u66f4\uff08\u30da\u30fc\u30b8\u306e DOM \u30b5\u30a4\u30ba\u306a\u3069\uff09\u306b\u9032\u3080\u524d\u306b\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u306b\u5f71\u97ff\u3059\u308b\u5bfe\u7b56\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u5727\u7e2e\u306a\u3069\uff09\u3092\u512a\u5148\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n<\/ul>\n\n\n\n<p>100\/100 \u306e\u30b9\u30b3\u30a2\u3092\u9054\u6210\u3059\u308b\u3053\u3068\u306b\u3053\u3060\u308f\u308a\u3059\u304e\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19\u3068\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308a\u307e\u3057\u3087\u3046\u3002\u30e6\u30fc\u30b6\u30fc\u306b\u672c\u5f53\u306e\u4fa1\u5024\u3092\u3082\u305f\u3089\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u306e\u6a5f\u80fd\u304c\u6307\u6458\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u5b8c\u5168\u306b\u53d6\u308a\u9664\u304f\u306e\u3067\u306f\u306a\u304f\u3001\u305d\u306e\u52d5\u4f5c\u3092\u6539\u5584\u3067\u304d\u306a\u3044\u304b\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u904b\u55b6\u3057\u3066\u3044\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u7a2e\u985e\u3082\u8003\u616e\u3057\u307e\u3057\u3087\u3046\u3002\u8907\u96d1\u306a <a href=\"https:\/\/wp-rocket.me\/blog\/speed-up-slow-woocommerce\/\">WooCommerce \u30b9\u30c8\u30a2<\/a>\u3067\u306f\u30011\u30da\u30fc\u30b8\u3060\u3051\u306e\u4f1a\u793e\u6848\u5185\u30b5\u30a4\u30c8\u306b\u6bd4\u3079\u3066\u3001\u7dd1\u306e\u30b9\u30b3\u30a2\u3092\u9054\u6210\u3059\u308b\u306e\u304c\u306f\u308b\u304b\u306b\u96e3\u3057\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WordPress \u306b\u3088\u304f\u3042\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3068\u89e3\u6c7a\u7b56<\/h2>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001<a href=\"https:\/\/wp-rocket.me\/ja\/blog\/wordpress-speed-optimization\/\">WordPress \u30b5\u30a4\u30c8\u306b\u3088\u304f\u3042\u308b\u901f\u5ea6\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b<\/a>\u305f\u3081\u306e <strong>PageSpeed Insights \u306e\u4f7f\u3044\u65b9<\/strong>\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u4f5c\u696d\u306e\u6d41\u308c\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u554f\u984c\u3092\u6e2c\u5b9a\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u554f\u984c\u306e\u3042\u308b\u6307\u6a19\u3092\u7279\u5b9a\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u6700\u5927\u306e\u539f\u56e0\u3092\u898b\u3064\u3051\u307e\u3059<\/li>\n\n\n\n<li>\u305d\u306e\u539f\u56e0\u3092\u53d6\u308a\u9664\u304f\u304b\u6700\u9069\u5316\u3057\u3066\u4fee\u6b63\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u540c\u3058 URL \u3092\u518d\u30c6\u30b9\u30c8\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u63a8\u79fb\u3092\u7d99\u7d9a\u7684\u306b\u8ffd\u8de1\u3057\u307e\u3059<\/li>\n\n\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3092\u5177\u4f53\u7684\u306a\u30b1\u30fc\u30b9\u306b\u3069\u3046\u5f53\u3066\u306f\u3081\u308b\u304b\u3092\u793a\u3059\u305f\u3081\u3001\u4f8b\u3068\u3057\u3066\u4f7f\u3046\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u3092\u7528\u610f\u3057\u307e\u3057\u305f\u3002\u307e\u3063\u305f\u304f\u6700\u9069\u5316\u3057\u3066\u3044\u306a\u3044\u72b6\u614b\u306e\u3053\u306e\u30b5\u30a4\u30c8\u3067\u306f\u3001PSI \u306e\u7d50\u679c\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"495\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-performance-audit.jpg\" alt=\"\u6700\u9069\u5316\u524d\u306e\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u67fb\uff08\u30b9\u30b3\u30a2 75\uff09\" class=\"wp-image-9515150\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-performance-audit.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-performance-audit-310x192.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-performance-audit-768x475.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>\u300c\u30a4\u30f3\u30b5\u30a4\u30c8\u300d<\/strong>\u3068<strong>\u300c\u8a3a\u65ad\u300d<\/strong>\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u3082\u3001WordPress \u30b5\u30a4\u30c8\u306b\u3088\u304f\u898b\u3089\u308c\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"506\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-insights-and-diagnostics.jpg\" alt=\"\u6700\u9069\u5316\u524d\u306e\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u300c\u30a4\u30f3\u30b5\u30a4\u30c8\u300d\u3068\u300c\u8a3a\u65ad\u300d\u306b\u8868\u793a\u3055\u308c\u305f\u554f\u984c\" class=\"wp-image-9515156\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-insights-and-diagnostics.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-insights-and-diagnostics-308x195.jpg 308w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-insights-and-diagnostics-768x486.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>1\u3064\u305a\u3064\u5bfe\u51e6\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30ec\u30a4\u30c6\u30f3\u30b7<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"250\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/07\/passed-document-request-latency-insight-audit.jpg\" alt=\"\u5408\u683c\u3057\u305f\u300c\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\u306e\u8a73\u7d30\" class=\"wp-image-8394285\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/07\/passed-document-request-latency-insight-audit.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/07\/passed-document-request-latency-insight-audit-310x97.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/07\/passed-document-request-latency-insight-audit-768x240.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/document-request-latency\/\">\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30ec\u30a4\u30c6\u30f3\u30b7<\/a>\u3068\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e HTML \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u6700\u521d\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3057\u3066\u304b\u3089\u3001\u305d\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u3067\u3059\u3002\u3053\u306e\u6642\u9593\u304c\u5927\u5207\u306a\u306e\u306f\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u7d42\u308f\u308b\u307e\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30da\u30fc\u30b8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59cb\u3081\u308b\u3053\u3068\u3082\u3001\u307b\u304b\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u8aad\u307f\u8fbc\u3080\u3053\u3068\u3082\u3067\u304d\u306a\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5bfe\u51e6\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30fc\u30d0\u30fc\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059<\/li>\n\n\n\n<li><a href=\"https:\/\/wp-rocket.me\/blog\/cdn\/\">CDN \u3092\u4f7f\u3044\u307e\u3059<\/a><\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u3001<a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/enable-text-compression\/\">\u5727\u7e2e<\/a>\u3001\u6700\u5c0f\u5316\u3092\u6709\u52b9\u306b\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u907f\u3051\u307e\u3059<\/li>\n\n\n\n<li>HTML \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30b5\u30a4\u30ba\u3068\u8907\u96d1\u3055\u3092\u6291\u3048\u307e\u3059<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u3088\u304f\u3042\u308b\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6027\u80fd\u304c\u4e0d\u5341\u5206\u306a\u3001\u307e\u305f\u306f\u9045\u3044\u30db\u30b9\u30c6\u30a3\u30f3\u30b0<\/li>\n\n\n\n<li>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u30d5\u30a1\u30a4\u30eb\u306e\u6700\u9069\u5316\u4e0d\u8db3<\/li>\n\n\n\n<li>\u4e0d\u8981\u306a\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/li>\n\n\n\n<li>\u904e\u5270\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u5727\u7e2e\u3001\u6700\u5c0f\u5316\u3092\uff08\u307b\u304b\u306e<a href=\"https:\/\/docs.wp-rocket.me\/article\/67-what-exactly-does-wp-rocket-do\">\u81ea\u52d5\u3067\u9069\u7528\u3055\u308c\u308b\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u6539\u5584<\/a>\u3068\u3068\u3082\u306b\uff09\u5b9f\u88c5\u3059\u308b WP Rocket \u3092\u6709\u52b9\u5316\u3059\u308b\u3068\u3001PageSpeed Insights \u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u6539\u5584\u3055\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30ec\u30dd\u30fc\u30c8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"483\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/document-request-latency-improvement.jpg\" alt=\"WP Rocket \u3092\u6709\u52b9\u5316\u3057\u305f\u5f8c\u306e\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u67fb\uff08\u30b9\u30b3\u30a2 81\uff09\" class=\"wp-image-9515172\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/document-request-latency-improvement.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/document-request-latency-improvement-310x187.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/document-request-latency-improvement-768x464.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u4fdd\u5b58\u671f\u9593\u3092\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"700\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2026\/02\/use-efficient-cache-lifetimes-insight-example.jpg\" alt=\"\u300c\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u4fdd\u5b58\u671f\u9593\u3092\u4f7f\u7528\u3059\u308b\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\u306e\u4f8b\uff08\u63a8\u5b9a\u524a\u6e1b\u91cf 418 KiB\uff09\" class=\"wp-image-9084571\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2026\/02\/use-efficient-cache-lifetimes-insight-example.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2026\/02\/use-efficient-cache-lifetimes-insight-example-223x195.jpg 223w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2026\/02\/use-efficient-cache-lifetimes-insight-example-768x672.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Google \u306e<a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/use-efficient-cache-lifetimes\/\">\u300c\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u4fdd\u5b58\u671f\u9593\u3092\u4f7f\u7528\u3059\u308b\u300d\u30a4\u30f3\u30b5\u30a4\u30c8<\/a>\u306f\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u5206\u6790\u3057\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u3044\u304f\u3064\u304b\u3042\u308b<a href=\"https:\/\/wp-rocket.me\/ja\/wordpress-cache\/different-types-of-caching\/\">\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u7a2e\u985e<\/a>\u306e1\u3064\u3067\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u5f8c\u3067\u518d\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30ed\u30fc\u30ab\u30eb\u306e\u30cf\u30fc\u30c9\u30c9\u30e9\u30a4\u30d6\u306b\u3069\u306e\u304f\u3089\u3044\u306e\u671f\u9593\u4fdd\u5b58\u3059\u308b\u304b\u3092\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u306b\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2048\" height=\"1029\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2022\/12\/Illustration-of-how-client-side-caching-works.png\" alt=\"\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4ed5\u7d44\u307f\u306e\u56f3\uff1a\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f img.jpg \u3092\u3001\u5f8c\u3067\u4f7f\u3046\u305f\u3081\u306b\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u4fdd\u5b58\u3059\u308b\" class=\"wp-image-5094687\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2022\/12\/Illustration-of-how-client-side-caching-works.png 2048w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2022\/12\/Illustration-of-how-client-side-caching-works-310x156.png 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2022\/12\/Illustration-of-how-client-side-caching-works-768x386.png 768w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2022\/12\/Illustration-of-how-client-side-caching-works-119x60.png 119w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2022\/12\/Illustration-of-how-client-side-caching-works-179x90.png 179w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><\/figure>\n\n\n\n<p>\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u8a2a\u554f\u8005\u304c\u30b5\u30a4\u30c8\u3092\u518d\u8a2a\u3057\u305f\u3068\u304d\u306b\u3059\u3079\u3066\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u518d\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u3001\u8aad\u307f\u8fbc\u307f\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5bfe\u51e6\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u9069\u3057\u305f\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30ea\u30b7\u30fc\u3092\u7b56\u5b9a\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5c0e\u5165\u3057\u307e\u3059<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u3088\u304f\u3042\u308b\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u30d8\u30c3\u30c0\u30fc<\/li>\n\n\n<\/ul>\n\n\n\n<p>WP Rocket \u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u6709\u52b9\u306b\u306a\u3063\u305f\u6642\u70b9\u3067\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u81ea\u52d5\u7684\u306b\u8a2d\u5b9a\u3057\u307e\u3059\uff08\u5225\u500b\u306e<a href=\"https:\/\/docs.wp-rocket.me\/article\/708-mobile-cache\">\u30e2\u30d0\u30a4\u30eb\u30fb\u30ad\u30e3\u30c3\u30b7\u30e5<\/a>\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\uff09\u3002\u3055\u3089\u306b\u3001\u901a\u5e38\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5bfe\u8c61\u306b\u306a\u3089\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u3082\u542b\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u3092\u901f\u304f\u3059\u308b\u305f\u3081\u306e\u8ffd\u52a0\u6a5f\u80fd\u3082\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3060\u3051\u3067\u3001\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u3066\u3044\u306a\u3044\u30a2\u30bb\u30c3\u30c8\u306f 420 KB \u304b\u3089\u308f\u305a\u304b 50 KB \u306b\u6e1b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"134\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-use-efficient-cache-lifetimes-insight.jpg\" alt=\"\u6539\u5584\u5f8c\u306e\u300c\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u4fdd\u5b58\u671f\u9593\u3092\u4f7f\u7528\u3059\u308b\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\uff08\u63a8\u5b9a\u524a\u6e1b\u91cf\u304c 420 KiB \u304b\u3089 50 KiB \u306b\u6e1b\u5c11\uff09\" class=\"wp-image-9515190\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-use-efficient-cache-lifetimes-insight.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-use-efficient-cache-lifetimes-insight-310x52.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-use-efficient-cache-lifetimes-insight-768x129.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u30ea\u30af\u30a8\u30b9\u30c8<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"240\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-render-blocking-requests-insight.jpg\" alt=\"\u6700\u9069\u5316\u524d\u306e\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u300c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\" class=\"wp-image-9515197\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-render-blocking-requests-insight.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-render-blocking-requests-insight-310x93.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-render-blocking-requests-insight-768x230.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/eliminate-render-blocking-javascript-css\/\">\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u30ea\u30af\u30a8\u30b9\u30c8<\/a>\u3068\u306f\u3001\u753b\u9762\u306b\u898b\u3048\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8868\u793a\u3092\u9045\u3089\u305b\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\uff08\u901a\u5e38\u306f JavaScript \u3068 CSS\uff09\u3067\u3059\u3002\u30da\u30fc\u30b8\u306e\u6700\u521d\u306e\u8868\u793a\u306b\u306f\u5fc5\u8981\u306a\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30d6\u30e9\u30a6\u30b6\u3092\u5360\u6709\u3057\u3001\u3088\u308a\u91cd\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406\u3092\u59a8\u3052\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5bfe\u51e6\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30da\u30fc\u30b8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b\u4e0d\u53ef\u6b20\u306a\u30b3\u30fc\u30c9\u3092\u512a\u5148\u3057\u307e\u3059\uff08\u30b3\u30fc\u30c9\u5206\u5272\u3084\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u306a\u3069\u3067\uff09<\/li>\n\n\n\n<li>\u5fc5\u9808\u3067\u306a\u3044 CSS \u3068 JavaScript \u306e<a href=\"https:\/\/wp-rocket.me\/blog\/deferred-loading-of-javascript\/\">\u8aad\u307f\u8fbc\u307f\u3092\u5ef6\u671f\u3057\u3001\u5b9f\u884c\u3092\u9045\u3089\u305b\u307e\u3059<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/wp-rocket.me\/blog\/guide-web-font-optimization\/\">\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u3092\u6700\u9069\u5316\u3057\u307e\u3059<\/a><\/li>\n\n\n\n<li>\u5727\u7e2e\u3068\u6700\u5c0f\u5316\u3092\u6709\u52b9\u306b\u3057\u307e\u3059<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u3088\u304f\u3042\u308b\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30c6\u30fc\u30de\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3001\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb<\/li>\n\n\n<\/ul>\n\n\n\n<p>WP Rocket \u3067\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5727\u7e2e\u3068\u6700\u5c0f\u5316\u306b\u52a0\u3048\u3066\u3001\u6570\u56de\u306e\u30af\u30ea\u30c3\u30af\u3067 JavaScript \u306e\u8aad\u307f\u8fbc\u307f\u306e\u5ef6\u671f\u3068\u5b9f\u884c\u306e\u9045\u5ef6\u3001\u672a\u4f7f\u7528\u306e CSS \u306e\u524a\u9664\u3092\u884c\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"1507\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/wp-rocket-file-optimization-menu.jpg\" alt=\"WP Rocket \u306e\u300c\u30d5\u30a1\u30a4\u30eb\u6700\u9069\u5316\u300d\u30e1\u30cb\u30e5\u30fc\uff08\u672a\u4f7f\u7528 CSS \u524a\u9664\u3001JavaScript \u9045\u5ef6\u8aad\u8fbc\u3001JavaScript \u306e\u5b9f\u884c\u9045\u5ef6\uff09\" class=\"wp-image-9515258\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/wp-rocket-file-optimization-menu.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/wp-rocket-file-optimization-menu-104x195.jpg 104w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/wp-rocket-file-optimization-menu-768x1447.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u7dcf\u5408\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30b9\u30b3\u30a2\u304c\u3055\u3089\u306b\u5411\u4e0a\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u300c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u300d\u306e\u8b66\u544a\u3082\u5b8c\u5168\u306b\u89e3\u6d88\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"765\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/render-blocking-resources-improvements.jpg\" alt=\"\u6539\u5584\u5f8c\u306e\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u67fb\uff08\u30b9\u30b3\u30a2 97\uff09\u3002\u30a4\u30f3\u30b5\u30a4\u30c8\u306e\u4e00\u89a7\u304b\u3089\u300c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u300d\u304c\u6d88\u3048\u3066\u3044\u308b\" class=\"wp-image-9515269\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/render-blocking-resources-improvements.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/render-blocking-resources-improvements-204x195.jpg 204w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/render-blocking-resources-improvements-768x734.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u4f7f\u7528\u3057\u3066\u3044\u306a\u3044 CSS \u3092\u524a\u6e1b\u3057\u307e\u3057\u3087\u3046<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"394\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-reduce-unused-css-warning.jpg\" alt=\"\u6700\u9069\u5316\u524d\u306e\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u300c\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044 CSS \u306e\u524a\u6e1b\u300d\u306e\u8b66\u544a\" class=\"wp-image-9515277\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-reduce-unused-css-warning.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-reduce-unused-css-warning-310x153.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-reduce-unused-css-warning-768x378.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u30c6\u30fc\u30de\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306b\u306f\u901a\u5e38\u3001\u7279\u5b9a\u306e\u30da\u30fc\u30b8\u306b\u8868\u793a\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u306b\u304b\u304b\u308f\u3089\u305a\u3001\u8003\u3048\u3089\u308c\u308b\u3059\u3079\u3066\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u8981\u7d20\u306e CSS \u30eb\u30fc\u30eb\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u591a\u304f\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u304c\u5fc5\u8981\u306e\u306a\u3044 CSS \u30b3\u30fc\u30c9\u3092\u8aad\u307f\u8fbc\u307f\u3001\u8aad\u307f\u8fbc\u307f\u3068\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u6642\u9593\u304c\u9577\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5bfe\u51e6\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u672a\u4f7f\u7528\u306e CSS \u3092\u624b\u52d5\u307e\u305f\u306f\u30c4\u30fc\u30eb\u3067\u76e3\u67fb\u3057\u3001\u524a\u9664\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3054\u3068\u306b CSS \u3092\u5206\u5272\u3057\u3001\u5404\u30da\u30fc\u30b8\u304c\u5fc5\u8981\u306a\u3082\u306e\u3060\u3051\u3092\u8aad\u307f\u8fbc\u3080\u3088\u3046\u306b\u3057\u307e\u3059<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u3088\u304f\u3042\u308b\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/wp-rocket.me\/blog\/wordpress-page-builders-performance\/\">\u30da\u30fc\u30b8\u30d3\u30eb\u30c0\u30fc<\/a>\uff08Elementor\u3001Divi \u306a\u3069\uff09\u304c\u81ea\u8eab\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u4e38\u3054\u3068\u30b5\u30a4\u30c8\u5168\u4f53\u3067\u8aad\u307f\u8fbc\u3093\u3067\u3044\u308b<\/li>\n\n\n\n<li>\u8907\u6570\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u72ec\u81ea\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u30b5\u30a4\u30c8\u5168\u4f53\u306b\u8ffd\u52a0\u3057\u3066\u3044\u308b<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u524d\u8ff0\u306e\u3068\u304a\u308a\u3001WP Rocket \u306b\u306f<a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/remove-unused-css\/\">\u672a\u4f7f\u7528\u306e CSS \u306e\u524a\u9664<\/a>\u304c\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u4f7f\u3048\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u5834\u5408\u306f\u3001\u30da\u30fc\u30b8\u306b\u57cb\u3081\u8fbc\u307e\u308c\u305f YouTube \u52d5\u753b\u304c\u72ec\u81ea\u306e CSS \u30b9\u30bf\u30a4\u30eb\u3092\u6301\u3063\u3066\u3044\u305f\u305f\u3081\u3001\u8b66\u544a\u304c\u6b8b\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u554f\u984c\u306f\u3001WP Rocket \u306e\u3082\u30461\u3064\u306e\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3042\u308b\u52d5\u753b\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3067\u89e3\u6c7a\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"588\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lazy-load-iframes-and-videos-option-in-wp-rocket.jpg\" alt=\"WP Rocket \u306e LazyLoad \u8a2d\u5b9a\u3067\u300ciframes \u3068\u30d3\u30c7\u30aa\u5411\u3051\u5bfe\u7b56\u3092\u6709\u52b9\u5316\u300d\u3092\u9078\u629e\u3057\u305f\u753b\u9762\" class=\"wp-image-9515285\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lazy-load-iframes-and-videos-option-in-wp-rocket.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lazy-load-iframes-and-videos-option-in-wp-rocket-265x195.jpg 265w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lazy-load-iframes-and-videos-option-in-wp-rocket-768x564.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u753b\u50cf\u914d\u4fe1\u3092\u6539\u5584\u3057\u307e\u3057\u3087\u3046<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"878\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/improve-image-delivery-insight-example.jpg\" alt=\"\u300c\u753b\u50cf\u914d\u4fe1\u3092\u6539\u5584\u3059\u308b\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\u306e\u4f8b\uff08\u63a8\u5b9a\u524a\u6e1b\u91cf 863 KiB\uff09\" class=\"wp-image-8770628\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/improve-image-delivery-insight-example.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/improve-image-delivery-insight-example-178x195.jpg 178w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/improve-image-delivery-insight-example-768x843.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u753b\u50cf\u306f\u30c7\u30fc\u30bf\u91cf\u304c\u591a\u304f\u3001\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3001SEO \u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002\u7279\u306b\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u4e0a\u90e8\u8fd1\u304f\u306b\u8868\u793a\u3055\u308c\u308b\u753b\u50cf\u306f\u3001LCP \u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002Google \u306e<a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/image-delivery-insight\/\">\u300c\u753b\u50cf\u914d\u4fe1\u3092\u6539\u5584\u3059\u308b\u300d\u30a4\u30f3\u30b5\u30a4\u30c8<\/a>\u306f\u3001\u5927\u304d\u3059\u304e\u308b\u753b\u50cf\u3001\u5727\u7e2e\u304c\u4e0d\u5341\u5206\u306a\u753b\u50cf\u3001\u53e4\u3044\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u3044\u308b\u753b\u50cf\u3092\u6307\u6458\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5bfe\u51e6\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30c6\u30ca\u306b\u5408\u3063\u305f\u30b5\u30a4\u30ba\u3067\u753b\u50cf\u3092\u914d\u4fe1\u3057\u307e\u3059<\/li>\n\n\n\n<li><a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/serve-images-next-gen-formats\/\">\u6700\u65b0\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u4f7f\u3044\u307e\u3059<\/a>\uff08WebP\u3001AVIF \u306a\u3069\uff09<\/li>\n\n\n\n<li>\u753b\u50cf\u3092\u5727\u7e2e\u3057\u307e\u3059<\/li>\n\n\n\n<li><a href=\"\/ja\/?p=9755291\">\u9045\u5ef6\u8aad\u307f\u8fbc\u307f<\/a>\u3092\u4f7f\u3044\u307e\u3059<\/li>\n\n\n\n<li><a href=\"https:\/\/wp-rocket.me\/blog\/optimize-images-web\/\">CDN \u3092\u8a2d\u5b9a\u3057\u307e\u3059<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/docs.wp-rocket.me\/article\/1816-optimize-critical-images\">LCP \u753b\u50cf\u3092\u512a\u5148\u3057\u307e\u3059<\/a><\/li>\n\n\n<\/ul>\n\n\n\n<p>\u3088\u304f\u3042\u308b\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u753b\u50cf<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u3001WP Rocket \u306f\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3084 LCP \u753b\u50cf\u306e\u512a\u5148\u5316\u306a\u3069\u306b\u3088\u3063\u3066\u3001\u753b\u50cf\u306e\u8aad\u307f\u8fbc\u307f\u65b9\u6cd5\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001<a href=\"https:\/\/wp-rocket.me\/blog\/imagify\/\">Imagify<\/a> \u306f<a href=\"https:\/\/wp-rocket.me\/blog\/image-optimization-wordpress\/\">\u753b\u50cf\u305d\u306e\u3082\u306e\u3092\u6700\u9069\u5316\u3059\u308b<\/a>\u305f\u3081\u306b\u4f7f\u3048\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3002\u753b\u50cf\u3092\u81ea\u52d5\u7684\u306b WebP\uff0fAVIF \u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5909\u63db\u3057\u3001\u5727\u7e2e\u3057\u3001\u30ea\u30b5\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1652\" height=\"1717\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/imagify-bulk-optimization-option-1.jpg\" alt=\"Imagify \u306e\u4e00\u62ec\u6700\u9069\u5316\u306e\u753b\u9762\" class=\"wp-image-8770795\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/imagify-bulk-optimization-option-1.jpg 1652w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/imagify-bulk-optimization-option-1-188x195.jpg 188w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/imagify-bulk-optimization-option-1-768x798.jpg 768w\" sizes=\"auto, (max-width: 1652px) 100vw, 1652px\" \/><\/figure>\n\n\n\n<p>\u3053\u308c\u3089\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u300c\u753b\u50cf\u914d\u4fe1\u3092\u6539\u5584\u3059\u308b\u300d\u306e\u8b66\u544a\u3092 240 KB \u304b\u3089\u308f\u305a\u304b 30 KB \u306b\u307e\u3067\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u3053\u308c\u4ee5\u4e0a\u306e\u6539\u5584\u306b\u306f\u3001\u624b\u52d5\u3067\u306e\u5bfe\u5fdc\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"595\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-improve-image-delivery-insight.jpg\" alt=\"\u6539\u5584\u5f8c\u306e\u300c\u753b\u50cf\u914d\u4fe1\u3092\u6539\u5584\u3059\u308b\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\uff08\u63a8\u5b9a\u524a\u6e1b\u91cf\u304c 240 KiB \u304b\u3089 30 KiB \u306b\u6e1b\u5c11\uff09\" class=\"wp-image-9515305\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-improve-image-delivery-insight.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-improve-image-delivery-insight-262x195.jpg 262w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-improve-image-delivery-insight-768x571.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">6. \u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"551\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-3rd-parties-insight.jpg\" alt=\"\u6700\u9069\u5316\u524d\u306e\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u300c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\uff08YouTube\u3001Google API\u3001\u5e83\u544a\u3001Google Fonts\uff09\" class=\"wp-image-9515320\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-3rd-parties-insight.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-3rd-parties-insight-283x195.jpg 283w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-3rd-parties-insight-768x529.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b3\u30fc\u30c9\uff08\u30a2\u30af\u30bb\u30b9\u89e3\u6790\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u5e83\u544a\u3001\u30d5\u30a9\u30f3\u30c8\u3001\u57cb\u3081\u8fbc\u307f\u52d5\u753b\uff09\u306f\u3001\u5fc5\u9808\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u5e2f\u57df\u5e45\u3092\u596a\u3044\u5408\u3044\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3001HTTP \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5897\u3084\u3059\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u9045\u304f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002Google \u306e<a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/3rd-parties-insight\/\">\u300c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u300d\u30a4\u30f3\u30b5\u30a4\u30c8<\/a>\u306f\u3001\u3069\u306e\u5916\u90e8\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u6700\u3082\u5f71\u97ff\u3057\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3057\u3001\u554f\u984c\u306b\u5bfe\u51e6\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5bfe\u51e6\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30a4\u30c8\u4e0a\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b3\u30fc\u30c9\u3092\u5236\u9650\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u5fc5\u8981\u306a\u5834\u6240\u3067\u3060\u3051\u3001\u6761\u4ef6\u4ed8\u304d\u3067\u8aad\u307f\u8fbc\u307f\u307e\u3059<\/li>\n\n\n\n<li><a href=\"https:\/\/wp-rocket.me\/blog\/preload-prefetch-preconnect-speed-site-browser-resource-hints\/\">\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u4e8b\u524d\u63a5\u7d9a\u3057\u3001\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3057\u307e\u3059<\/a><\/li>\n\n\n\n<li>\u91cd\u8981\u5ea6\u306e\u4f4e\u3044\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u8fbc\u307f\u3092\u5ef6\u671f\u3057\u3001\u5b9f\u884c\u3092\u9045\u3089\u305b\u307e\u3059<\/li>\n\n\n\n<li>\u5916\u90e8\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30bb\u30eb\u30d5\u30db\u30b9\u30c8\u3057\u3066\u3001<a href=\"https:\/\/wp-rocket.me\/blog\/reduce-http-requests-speed-wordpress-site\/\">HTTP \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u6e1b\u3089\u3057\u307e\u3059<\/a><\/li>\n\n\n\n<li>\u30b9\u30af\u30ea\u30d7\u30c8\u3092 Web Worker \u306b\u30aa\u30d5\u30ed\u30fc\u30c9\u3057\u307e\u3059<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u3088\u304f\u3042\u308b\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u904e\u5270\u306a\u3001\u307e\u305f\u306f\u6700\u9069\u5316\u304c\u4e0d\u5341\u5206\u306a\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b3\u30f3\u30c6\u30f3\u30c4<\/li>\n\n\n<\/ul>\n\n\n\n<p>WP Rocket \u306b\u306f\u3001\u300c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u304c\u6570\u591a\u304f\u3042\u308a\u307e\u3059\u3002\u91cd\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3084\u30d5\u30a9\u30f3\u30c8\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u3001JavaScript \u306e\u8aad\u307f\u8fbc\u307f\u306e\u5ef6\u671f\u3068\u5b9f\u884c\u306e\u9045\u5ef6\u3001\u30d3\u30b8\u30e5\u30a2\u30eb\u8981\u7d20\u3068 iframe \u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3001\u3055\u3089\u306b <a href=\"https:\/\/wp-rocket.me\/blog\/self-hosting-google-fonts\/\">Google Fonts \u306e\u30bb\u30eb\u30d5\u30db\u30b9\u30c8<\/a>\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u3092\u9069\u7528\u3057\u305f\u3068\u3053\u308d\u3001\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u300c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\u306f\u3001\u4e0a\u306b\u793a\u3057\u305f\u6700\u521d\u306e\u6e2c\u5b9a\u7d50\u679c\u3068\u6bd4\u3079\u3066\u5927\u304d\u304f\u6539\u5584\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"169\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-3rd-parties-insight.jpg\" alt=\"\u6539\u5584\u5f8c\u306e\u300c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\uff08\u6b8b\u3063\u3066\u3044\u308b\u306e\u306f YouTube \u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u753b\u50cf\u306e\u307f\uff09\" class=\"wp-image-9515341\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-3rd-parties-insight.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-3rd-parties-insight-310x65.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/improved-3rd-parties-insight-768x162.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">7. \u30d5\u30a9\u30f3\u30c8\u8868\u793a<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"310\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-font-display-insight.jpg\" alt=\"\u6700\u9069\u5316\u524d\u306e\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u300c\u30d5\u30a9\u30f3\u30c8\u8868\u793a\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\uff08\u63a8\u5b9a\u524a\u6e1b\u91cf 60 ms\uff09\" class=\"wp-image-9515352\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-font-display-insight.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-font-display-insight-310x120.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-initial-font-display-insight-768x298.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30f3\u30c8\u306f\u3001\u7279\u306b\u8aad\u307f\u8fbc\u307f\u304c\u9045\u308c\u305f\u5834\u5408\u306b\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u8996\u899a\u7684\u306a\u5b89\u5b9a\u6027\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/font-display-insight\/\">\u300c\u30d5\u30a9\u30f3\u30c8\u8868\u793a\u300d\u30a4\u30f3\u30b5\u30a4\u30c8<\/a>\u306f\u3001\u30da\u30fc\u30b8\u306e CSS \u306e <code>font-display<\/code> \u30d7\u30ed\u30d1\u30c6\u30a3\u304c <code>swap<\/code> \u307e\u305f\u306f <code>optional<\/code> \u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u3001\u305d\u308c\u3092\u6307\u6458\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5bfe\u51e6\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>font-display<\/code> \u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30d5\u30a9\u30f3\u30c8\u3092\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u3001\u4e8b\u524d\u63a5\u7d9a\u3001\u30d7\u30ea\u30ed\u30fc\u30c9\u3001\u30bb\u30eb\u30d5\u30db\u30b9\u30c8\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30b7\u30b9\u30c6\u30e0\u30d5\u30a9\u30f3\u30c8\u3068\u3001WOFF2 \u306e\u3088\u3046\u306a\u6700\u65b0\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u4f7f\u3044\u307e\u3059<\/li>\n\n\n\n<li>\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3067\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30d5\u30a9\u30f3\u30c8\u306e\u691c\u51fa\u3092\u9045\u3089\u305b\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b CSS \u3092\u53d6\u308a\u9664\u304d\u307e\u3059<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u3088\u304f\u3042\u308b\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30a9\u30f3\u30c8\u306e CSS \u306e\u8a2d\u5b9a\u30df\u30b9<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u30b5\u30a4\u30c8\u3067 Google Fonts \u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u3001WP Rocket \u306f\u30d5\u30a9\u30f3\u30c8\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u81ea\u52d5\u7684\u306b1\u3064\u306b\u307e\u3068\u3081\u3001<code>display=swap<\/code> \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u8ffd\u52a0\u3057\u3001Google Fonts \u306b\u4e8b\u524d\u63a5\u7d9a\u3057\u3001\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u30d7\u30ea\u30ed\u30fc\u30c9\u3057\u3066\u3001\u975e\u540c\u671f\u3067\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u3067\u306f\u3001\u305d\u308c\u307e\u3067\u306b\u884c\u3063\u305f\u5bfe\u7b56\u3060\u3051\u3067\u3001\u300c\u30d5\u30a9\u30f3\u30c8\u8868\u793a\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\u304c<strong>\u300c\u5408\u683c\u3057\u305f\u76e3\u67fb\u300d<\/strong>\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u79fb\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"128\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/passed-font-display-insight.jpg\" alt=\"\u5408\u683c\u3057\u305f\u300c\u30d5\u30a9\u30f3\u30c8\u8868\u793a\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\" class=\"wp-image-9515367\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/passed-font-display-insight.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/passed-font-display-insight-310x50.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/passed-font-display-insight-768x123.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">8. \u30ec\u30a4\u30a2\u30a6\u30c8 \u30b7\u30d5\u30c8\u306e\u539f\u56e0<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"417\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/layout-shift-culprits-insight-example-1.jpg\" alt=\"\u300c\u30ec\u30a4\u30a2\u30a6\u30c8 \u30b7\u30d5\u30c8\u306e\u539f\u56e0\u300d\u30a4\u30f3\u30b5\u30a4\u30c8\u306e\u4f8b\uff08\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u306e\u539f\u56e0\u3068\u306a\u3063\u305f\u8981\u7d20\u306e\u4e00\u89a7\uff09\" class=\"wp-image-8769753\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/layout-shift-culprits-insight-example-1.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/layout-shift-culprits-insight-example-1-310x162.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/11\/layout-shift-culprits-insight-example-1-768x400.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>PageSpeed Insights \u304c\u6e2c\u5b9a\u3059\u308b\u306e\u306f\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<a href=\"https:\/\/wp-rocket.me\/ja\/google-core-web-vitals-wordpress\/layout-shift\/\">\u300c\u30ec\u30a4\u30a2\u30a6\u30c8 \u30b7\u30d5\u30c8\u306e\u539f\u56e0\u300d\u30a4\u30f3\u30b5\u30a4\u30c8<\/a>\u306f\u3001\u3069\u306e\u8981\u7d20\u304c\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u4e0d\u5b89\u5b9a\u3055\u3092\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u308b\u304b\u3001\u305d\u3057\u3066\u305d\u308c\u305e\u308c\u304c CLS \u306e\u30b9\u30b3\u30a2\u306b\u3069\u308c\u3060\u3051\u5f71\u97ff\u3057\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5bfe\u51e6\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u753b\u50cf\u3068\u52d5\u753b\u306b\u660e\u793a\u7684\u306a\u5e45\u3068\u9ad8\u3055\u3092\u6307\u5b9a\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u5e83\u544a\u3084\u57cb\u3081\u8fbc\u307f\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u305f\u3081\u306e\u30b9\u30da\u30fc\u30b9\u3092\u78ba\u4fdd\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u306b\u9023\u52d5\u3057\u3066\u8d77\u3053\u308b\u3088\u3046\u306b\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30d5\u30a9\u30f3\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u3068\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u6700\u9069\u5316\u3057\u307e\u3059<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u3088\u304f\u3042\u308b\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8981\u7d20\u306e\u30b5\u30a4\u30ba\u304c\u660e\u793a\u7684\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u304c\u4e0d\u5341\u5206\u306a\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8<\/li>\n\n\n\n<li>\u8a08\u753b\u3068\u5b9f\u88c5\u304c\u4e0d\u5341\u5206\u306a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/li>\n\n\n<\/ul>\n\n\n\n<p>\u524d\u8ff0\u306e\u30d5\u30a9\u30f3\u30c8\u3001\u753b\u50cf\u3001\u30b3\u30fc\u30c9\u306e\u6700\u9069\u5316\u306b\u52a0\u3048\u3066\u3001WP Rocket \u3067\u306f\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u4e0d\u8db3\u3057\u3066\u3044\u308b\u753b\u50cf\u30b5\u30a4\u30ba\u3092\u81ea\u52d5\u7684\u306b\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"781\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/automatically-add-missing-image-dimensions-in-wp-rocket.jpg\" alt=\"WP Rocket \u306e\u300c\u30e1\u30c7\u30a3\u30a2\u300d\u8a2d\u5b9a\u3067\u300c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u753b\u50cf\u30b5\u30a4\u30ba\u306e\u8ffd\u52a0\u300d\u3092\u6709\u52b9\u306b\u3057\u305f\u753b\u9762\" class=\"wp-image-9515381\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/automatically-add-missing-image-dimensions-in-wp-rocket.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/automatically-add-missing-image-dimensions-in-wp-rocket-200x195.jpg 200w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/automatically-add-missing-image-dimensions-in-wp-rocket-768x750.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u6539\u5584\u524d\u3068\u6539\u5584\u5f8c\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<p>\u3053\u3053\u307e\u3067\u898b\u3066\u304d\u305f\u3088\u3046\u306b\u3001\u3088\u304f\u3042\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u306b\u7684\u3092\u7d5e\u3063\u3066\u5bfe\u51e6\u3059\u308c\u3070\u3001<strong>WordPress \u30b5\u30a4\u30c8\u306e PageSpeed Insights<\/strong> \u306e\u30ec\u30dd\u30fc\u30c8\u3092\u5927\u304d\u304f\u6539\u5584\u3067\u304d\u307e\u3059\u3002\u6bd4\u8f03\u306e\u305f\u3081\u306b\u3001\u4e0a\u3067\u7d39\u4ecb\u3057\u305f\u3059\u3079\u3066\u306e\u5bfe\u7b56\u3092\u5b9f\u65bd\u3057\u305f\u5f8c\u306e\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7d50\u679c\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"494\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-final-performance-audit.jpg\" alt=\"\u3059\u3079\u3066\u306e\u5bfe\u7b56\u3092\u5b9f\u65bd\u3057\u305f\u5f8c\u306e\u30c6\u30b9\u30c8\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u67fb\uff08\u30b9\u30b3\u30a2 98\uff09\" class=\"wp-image-9515393\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-final-performance-audit.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-final-performance-audit-310x191.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/test-website-final-performance-audit-768x474.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u6700\u3082\u91cd\u8981\u306a\u6307\u6a19\u3092\u4e26\u3079\u308b\u3068\u3001\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u9805\u76ee<\/strong><\/th><th><strong>\u6539\u5584\u524d<\/strong><\/th><th><strong>\u6539\u5584\u5f8c<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u30e2\u30d0\u30a4\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30b9\u30b3\u30a2<\/td><td>75<\/td><td>98<\/td><\/tr><tr><td>First Contentful Paint<\/td><td>2.9\u79d2<\/td><td>0.9\u79d2<\/td><\/tr><tr><td>Largest Contentful Paint<\/td><td>4.4\u79d2<\/td><td>0.9\u79d2<\/td><\/tr><tr><td>Speed Index<\/td><td>4.8\u79d2<\/td><td>0.9\u79d2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u305d\u3057\u3066\u4f55\u3088\u308a\u3001WP Rocket \u3092\u4f7f\u3048\u3070\u3001\u304b\u304b\u3063\u305f\u306e\u306f\u6570\u5206\u3068\u6570\u56de\u306e\u30af\u30ea\u30c3\u30af\u3060\u3051\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GTmetrix\u3001Lighthouse\u3001Search Console \u3092\u4f7f\u3046\u30bf\u30a4\u30df\u30f3\u30b0<\/h2>\n\n\n\n<p>\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8abf\u3079\u308b\u65b9\u6cd5\u306f\u3001PageSpeed Insights \u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/gtmetrix.com\/\">GTmetrix<\/a><\/p>\n\n\n\n<p>GTmetrix \u306f\u3001\u30d5\u30ea\u30fc\u30df\u30a2\u30e0\u578b\u306e<a href=\"https:\/\/wp-rocket.me\/ja\/blog\/site-speed-measurement-tools\/\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb<\/a>\u3067\u3059\u3002PSI \u3068\u540c\u3058\u304f Lighthouse \u3092\u57fa\u76e4\u3068\u3057\u3066\u304a\u308a\u3001Core Web Vitals\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u3001\u30e9\u30dc\u30c7\u30fc\u30bf\u306a\u3069\u3001\u540c\u3058\u4e3b\u8981\u306a\u6307\u6a19\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"753\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/gtmetrix-performance-testing-tool.jpg\" alt=\"wp-rocket.me \u306e GTmetrix \u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30ec\u30dd\u30fc\u30c8\uff08GTmetrix \u30b0\u30ec\u30fc\u30c9 A\uff09\" class=\"wp-image-9515406\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/gtmetrix-performance-testing-tool.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/gtmetrix-performance-testing-tool-207x195.jpg 207w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/gtmetrix-performance-testing-tool-768x723.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u7dca\u6025\u5ea6\u306e\u9806\u306b\u4e26\u3079\u305f\u5177\u4f53\u7684\u306a\u6539\u5584\u306e\u30d2\u30f3\u30c8\u3068\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u904e\u7a0b\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306e\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u30c1\u30e3\u30fc\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u8907\u6570\u306e\u30ec\u30dd\u30fc\u30c8\u3092\u4e26\u3079\u3066\u6bd4\u8f03\u3067\u304d\u3001Pro \u30d7\u30e9\u30f3\u3067\u306f\u81ea\u52d5\u30c6\u30b9\u30c8\u3084\u3055\u307e\u3056\u307e\u306a\u30c6\u30b9\u30c8\u5730\u70b9\u306a\u3069\u306e\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>GTmetrix \u306f\u3001WP Rocket \u306b\u7d44\u307f\u8fbc\u307e\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u8996\u30c4\u30fc\u30eb\u3067\u3042\u308b <a href=\"https:\/\/wp-rocket.me\/rocket-insights\/\">Rocket Insights<\/a> \u306e\u57fa\u76e4\u306b\u3082\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>PageSpeed Insights \u3088\u308a\u3082\u8a73\u3057\u3044\u8a3a\u65ad\u3001\u7d50\u679c\u306e\u6bd4\u8f03\u6a5f\u80fd\u3001\u305d\u3057\u3066\u305d\u306e\u6642\u70b9\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3060\u3051\u3067\u306a\u304f\u6539\u5584\u306e\u63a8\u79fb\u3092\u7d99\u7d9a\u7684\u306b\u8ffd\u8de1\u3067\u304d\u308b\u3053\u3068\u3092\u6c42\u3081\u308b\u306a\u3089\u3001GTmetrix \u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\ud83d\udca1<a href=\"\/ja\/?p=9755189\">GTmetrix \u306e\u4f7f\u3044\u65b9\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046<\/a>\u3002<\/p>\n<\/blockquote>\n\n\n\n<p><a href=\"https:\/\/developer.chrome.com\/docs\/lighthouse\/overview\">Lighthouse<\/a><\/p>\n\n\n\n<p>Lighthouse \u306f\u3001PageSpeed Insights \u3068 GTmetrix \u306e\u4e21\u65b9\u3092\u652f\u3048\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30c4\u30fc\u30eb\u3067\u3059\u3002Chrome \u306e\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\uff08<strong>\u300c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u300d<\/strong>\u30ec\u30dd\u30fc\u30c8\uff09\u304b\u3089\u5229\u7528\u3067\u304d\u308b\u307b\u304b\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089\u3001\u307e\u305f\u306f Node \u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u3057\u3066\u5b9f\u884c\u3067\u304d\u308b\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u306e\u30c4\u30fc\u30eb\u3068\u3057\u3066\u3082\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"396\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lighthouse-in-chrome-developer-tools.jpg\" alt=\"Chrome \u306e\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u306e\u300c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u300d\u30d1\u30cd\u30eb\u3067 wp-rocket.me \u306e\u30a4\u30f3\u30b5\u30a4\u30c8\u3092\u8868\u793a\u3057\u305f\u753b\u9762\" class=\"wp-image-9515420\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lighthouse-in-chrome-developer-tools.jpg 800w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lighthouse-in-chrome-developer-tools-310x153.jpg 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/lighthouse-in-chrome-developer-tools-768x380.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Chrome \u3067\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u6700\u4e2d\u306e\u60c5\u5831\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305d\u308c\u306b\u52a0\u3048\u3066\u3001Lighthouse \u306b\u306f PSI \u3068\u540c\u3058\u30a4\u30f3\u30b5\u30a4\u30c8\u304c\u3059\u3079\u3066\u63c3\u3063\u3066\u3044\u308b\u3046\u3048\u306b\u3001\u8ffd\u52a0\u306e\u30c4\u30fc\u30eb\u3082\u5099\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u8aad\u307f\u8fbc\u307f\u306e\u904e\u7a0b\u3092\u30d5\u30ec\u30fc\u30e0\u3054\u3068\u306b\u8a73\u3057\u304f\u5206\u89e3\u3057\u3066\u8868\u793a\u3057\u3001\u4e0d\u5408\u683c\u3068\u306a\u3063\u305f\u30a4\u30f3\u30b5\u30a4\u30c8\u306b\u95a2\u4fc2\u3059\u308b\u500b\u3005\u306e\u30d5\u30a1\u30a4\u30eb\u3084\u30ea\u30bd\u30fc\u30b9\u3092\u5f37\u8abf\u8868\u793a\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001JavaScript \u306e\u9577\u3044\u30bf\u30b9\u30af\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u308b\u30ea\u30bd\u30fc\u30b9\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u3066\u3044\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u3068\u3044\u3063\u305f\u554f\u984c\u3092\u7c21\u5358\u306b\u898b\u3064\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e3b\u8981\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u3092\u3059\u3067\u306b\u307b\u3068\u3093\u3069\u9069\u7528\u3057\u3066\u3044\u3066\u3001\u500b\u3005\u306e\u30da\u30fc\u30b8\u3084\u30ea\u30bd\u30fc\u30b9\u306e\u7d30\u90e8\u307e\u3067\u6398\u308a\u4e0b\u3052\u305f\u3044\u5834\u5408\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/search.google.com\/search-console\/about\">Search Console<\/a><\/p>\n\n\n\n<p>\u6982\u8981\u3092\u3059\u3070\u3084\u304f\u628a\u63e1\u3057\u305f\u3044\u5834\u5408\u306f\u3001Google \u306e\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u30c4\u30fc\u30eb\u3067\u3042\u308b Search Console \u306e Core Web Vitals \u30ec\u30dd\u30fc\u30c8\u3082\u4f7f\u3048\u307e\u3059\u3002\u8868\u793a\u3055\u308c\u308b\u306e\u306f\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u3060\u3051\u306a\u306e\u3067\u3001\u5229\u7528\u3059\u308b\u306b\u306f\u30b5\u30a4\u30c8\u306b\u5341\u5206\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"936\" height=\"559\" src=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/image-2.png\" alt=\"Search Console \u306e Core Web Vitals \u30ec\u30dd\u30fc\u30c8\uff08\u826f\u597d\u306a URL \u304c 428 \u4ef6\u3001\u554f\u984c\u306e\u3042\u308b URL \u306f 0 \u4ef6\uff09\" class=\"wp-image-9515499\" srcset=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/image-2.png 936w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/image-2-310x185.png 310w, https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/image-2-768x459.png 768w\" sizes=\"auto, (max-width: 936px) 100vw, 936px\" \/><\/figure>\n\n\n\n<p>Search Console \u304c\u8abf\u3079\u308b\u306e\u306f Google \u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u767b\u9332\u3055\u308c\u305f\u30da\u30fc\u30b8\u3060\u3051\u3067\u3001\u500b\u3005\u306e URL \u3067\u306f\u306a\u304f\u30da\u30fc\u30b8\u306e\u7a2e\u985e\u3054\u3068\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u307e\u3059\u30021\u3064\u306e\u30da\u30fc\u30b8\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\u3088\u3046\u306b\u306f\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>Search Console \u304c\u5f97\u610f\u3068\u3059\u308b\u306e\u306f\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u306e Core Web Vitals \u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u628a\u63e1\u3057\u3001\u30b5\u30a4\u30c8\u5185\u306e\u30da\u30fc\u30b8\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u5f71\u97ff\u3059\u308b\u554f\u984c\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><\/th><th><strong>PageSpeed Insights<\/strong><\/th><th><strong>GTmetrix<\/strong><\/th><th><strong>Lighthouse<\/strong><\/th><th><strong>Search Console<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>\u6599\u91d1<\/strong><\/td><td>\u7121\u6599<\/td><td>\u30d5\u30ea\u30fc\u30df\u30a2\u30e0<\/td><td>\u7121\u6599<\/td><td>\u7121\u6599<\/td><\/tr><tr><td><strong>\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf<\/strong><\/td><td>\u2705<\/td><td>\u2705<\/td><td>\u2705\uff08\u6709\u52b9\u5316\u304c\u5fc5\u8981\uff09<\/td><td>\u2705<\/td><\/tr><tr><td><strong>\u30e9\u30dc\u30c7\u30fc\u30bf<\/strong><\/td><td>\u2705<\/td><td>\u2705<\/td><td>\u2705<\/td><td>\u274c<\/td><\/tr><tr><td><strong>Core Web Vitals<\/strong><\/td><td>\u2705<\/td><td>\u2705<\/td><td>\u2705<\/td><td>\u2705<\/td><\/tr><tr><td><strong>\u30ec\u30dd\u30fc\u30c8\u306e\u6bd4\u8f03<\/strong><\/td><td>\u274c<\/td><td>\u2705<\/td><td>\u274c<\/td><td>\u274c<\/td><\/tr><tr><td><strong>\u9577\u671f\u7684\u306a\u8ffd\u8de1<\/strong><\/td><td>\u274c<\/td><td>\u2705<\/td><td>\u274c<\/td><td>\u2705<\/td><\/tr><tr><td><strong>\u8a3a\u65ad\u306e\u8a73\u3057\u3055<\/strong><\/td><td>\u4e2d\u7a0b\u5ea6<\/td><td>\u9ad8\u3044<\/td><td>\u975e\u5e38\u306b\u9ad8\u3044<\/td><td>\u4f4e\u3044<\/td><\/tr><tr><td><strong>\u304a\u3059\u3059\u3081\u306e\u7528\u9014<\/strong><\/td><td>\u624b\u65e9\u3044\u76e3\u67fb<\/td><td>\u8a73\u7d30\u306a\u8a3a\u65ad\u3068\u8ffd\u8de1<\/td><td>\u30da\u30fc\u30b8\u5358\u4f4d\u306e\u5fb9\u5e95\u7684\u306a\u30c7\u30d0\u30c3\u30b0<\/td><td>\u30b5\u30a4\u30c8\u5168\u4f53\u306e CWV \u306e\u6982\u8981<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001PageSpeed Insights \u306b\u3064\u3044\u3066\u3088\u304f\u3042\u308b\u8cea\u554f\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Google PageSpeed Insights \u306f\u3069\u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>Google PageSpeed Insights \u306f\u3001\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u3068\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u63a1\u70b9\u3057\u3001\u305d\u306e\u6539\u5584\u65b9\u6cd5\u3082\u6559\u3048\u3066\u304f\u308c\u308b Google \u306e\u7121\u6599\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PageSpeed Insights \u306e\u30e9\u30dc\u30c7\u30fc\u30bf\u3068\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u304c\u9055\u3046\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>PageSpeed Insights \u306e\u30e9\u30dc\u30c7\u30fc\u30bf<\/strong>\u306f1\u53f0\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u306e\u306b\u5bfe\u3057\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u306f\u3055\u307e\u3056\u307e\u306a\u30c7\u30d0\u30a4\u30b9\u3001\u5730\u57df\u3001\u63a5\u7d9a\u74b0\u5883\u306e\u5b9f\u969b\u306e\u8a2a\u554f\u8005\u3092\u53cd\u6620\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PageSpeed Insights \u3068 Lighthouse \u306f\u540c\u3058\u3082\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u3044\u3044\u3048\u3001\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002PSI \u306f Lighthouse \u3092\u57fa\u76e4\u3068\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30af\u30e9\u30a6\u30c9\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002Lighthouse \u306f\u30ed\u30fc\u30ab\u30eb\u3067\u5b9f\u884c\u3055\u308c\u3001\u3088\u308a\u8a73\u3057\u3044\u8a3a\u65ad\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">100\/100 \u306e PageSpeed \u30b9\u30b3\u30a2\u306f\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u3044\u3044\u3048\u3001\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002\u4f55\u3088\u308a\u3082\u307e\u305a\u3001Core Web Vitals \u3092\u7dd1\u306b\u3059\u308b\u3053\u3068\u3068\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">WordPress \u30b5\u30a4\u30c8\u3067\u306f\u3001PageSpeed Insights \u306e\u6539\u5584\u63d0\u6848\u306e\u3046\u3061\u3069\u308c\u304b\u3089\u4fee\u6b63\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n\n\n\n<p><strong>WordPress \u30b5\u30a4\u30c8\u3067\u306e PageSpeed Insights \u306e\u6539\u5584\u65b9\u6cd5<\/strong>\u3068\u3057\u3066\u306f\u3001\u307e\u305a\u30e2\u30d0\u30a4\u30eb\u306e Core Web Vitals \u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002\u305d\u306e\u3046\u3048\u3067\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u308b\u30d5\u30a1\u30a4\u30eb\u3001\u753b\u50cf\u306e\u554f\u984c\u3068\u3044\u3063\u305f\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u8ab2\u984c\u306b\u53d6\u308a\u7d44\u307f\u3001\u305d\u306e\u5f8c\u3067\u30da\u30fc\u30b8\u5358\u4f4d\u306e\u5bfe\u5fdc\u306b\u79fb\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PageSpeed Insights \u3067\u30e2\u30d0\u30a4\u30eb\u3068\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u30b9\u30b3\u30a2\u304c\u9055\u3046\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>PageSpeed Insights \u306e\u30e2\u30d0\u30a4\u30eb\u306e\u30b9\u30b3\u30a2<\/strong>\u306f\u3001\u51e6\u7406\u306e\u9045\u3044\u30c7\u30d0\u30a4\u30b9\u3068\u3001\u73fe\u5b9f\u306e\u74b0\u5883\u3092\u518d\u73fe\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0\u306e\u5f71\u97ff\u3067\u3001\u901a\u5e38\u306f\u4f4e\u304f\u306a\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PageSpeed Insights \u306f\u3069\u306e\u3088\u3046\u306b\u4f7f\u3044\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>PageSpeed Insights \u306e\u4f7f\u3044\u65b9<\/strong>\u306f\u3001\u30c4\u30fc\u30eb\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3067\u30c6\u30b9\u30c8\u3057\u305f\u3044\u30da\u30fc\u30b8\u306e URL \u3092\u4e0a\u90e8\u306e\u5165\u529b\u6b04\u306b\u5165\u529b\u3057\u3001Enter \u30ad\u30fc\u3092\u62bc\u3059\u304b\u300c\u5206\u6790\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u901a\u5e38\u306f1\u5206\u3082\u304b\u304b\u3089\u305a\u306b\u30ec\u30dd\u30fc\u30c8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30ec\u30dd\u30fc\u30c8\u306f\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u306b\u3082\u3068\u3065\u304f\u300c\u30a6\u30a7\u30d6\u306b\u95a2\u3059\u308b\u4e3b\u306a\u6307\u6a19\u306e\u8a55\u4fa1\u300d\uff08\u5341\u5206\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u3042\u308b\u5834\u5408\u306e\u307f\uff09\u3001\u30e9\u30dc\u30c7\u30fc\u30bf\u306b\u3082\u3068\u3065\u304f\u300c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u300d\u306e\u30b9\u30b3\u30a2\u3068\u6307\u6a19\u3001\u300c\u30a4\u30f3\u30b5\u30a4\u30c8\u300d\u3068\u300c\u8a3a\u65ad\u300d\u306a\u3069\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Google PageSpeed Insights \u3067\u3088\u308a\u826f\u3044\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046<\/h2>\n\n\n\n<p>PSI \u306f\u3001\u6700\u3082\u4fbf\u5229\u306a\u7121\u6599\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u306e1\u3064\u3067\u3059\u3002\u30b5\u30a4\u30c8\u306e\u3069\u3053\u304c\u4e0d\u5341\u5206\u306a\u306e\u304b\u3001\u4f55\u304c\u539f\u56e0\u306a\u306e\u304b\u3001\u305d\u3057\u3066\u3069\u3046\u4fee\u6b63\u3059\u308c\u3070\u3088\u3044\u306e\u304b\u3092\u6b63\u78ba\u306b\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5927\u5207\u306a\u306e\u306f\u3001\u6570\u5b57\u3092\u8ffd\u3044\u304b\u3051\u308b\u3053\u3068\u306b\u3068\u3089\u308f\u308c\u3059\u304e\u306a\u3044\u3053\u3068\u3067\u3059\u3002Core Web Vitals \u306b\u96c6\u4e2d\u3057\u3001\u30e2\u30d0\u30a4\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u512a\u5148\u3057\u3066\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u6539\u5584\u304b\u3089\u30da\u30fc\u30b8\u5358\u4f4d\u306e\u6539\u5584\u3078\u3068\u9032\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30b3\u30fc\u30c9\u306b\u4e00\u884c\u3082\u89e6\u308c\u305a\u306b\u3001WordPress \u30b5\u30a4\u30c8\u306e PageSpeed Insights \u306e\u7d50\u679c\u3092\u6539\u5584\u3057\u305f\u3044\u3068\u304a\u8003\u3048\u3067\u3059\u304b\uff1fWP Rocket \u306a\u3089\u3001\u5f37\u529b\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3068\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u306e\u6539\u5584\u6a5f\u80fd\u3067\u3001\u9762\u5012\u306a\u4f5c\u696d\u3092\u4ee3\u308f\u308a\u306b\u5f15\u304d\u53d7\u3051\u307e\u3059\u300214\u65e5\u9593\u306e\u8fd4\u91d1\u4fdd\u8a3c\u4ed8\u304d\u3067\u3001<a href=\"https:\/\/wp-rocket.me\/ja\/pricing\/\">\u30ea\u30b9\u30af\u306a\u3057\u3067\u304a\u8a66\u3057\u304f\u3060\u3055\u3044<\/a>\uff01<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>PageSpeed Insights \u306e\u4f7f\u3044\u65b9\u3092\u3001\u30ec\u30dd\u30fc\u30c8\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3054\u3068\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u3068\u30e9\u30dc\u30c7\u30fc\u30bf\u306e\u9055\u3044\u3001Core Web Vitals \u306e\u8a55\u4fa1\u3001WordPress \u30b5\u30a4\u30c8\u3067\u5148\u306b\u5bfe\u5fdc\u3057\u305f\u3044\u6539\u5584\u63d0\u6848\u3068\u3001\u30b9\u30b3\u30a2\u306e\u6539\u5584\u306b\u3064\u306a\u304c\u308b\u65b9\u6cd5\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"author":335480,"featured_media":8162566,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"pagespeed insights 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\u30b5\u30a4\u30c8\u3067\u5148\u306b\u5bfe\u5fdc\u3057\u305f\u3044\u6539\u5584\u63d0\u6848\u3068\u3001\u30b9\u30b3\u30a2\u306e\u6539\u5584\u306b\u3064\u306a\u304c\u308b\u65b9\u6cd5\u304c\u308f\u304b\u308a\u307e\u3059\u3002","inline_featured_image":false,"kia_subtitle":"","footnotes":""},"categories":[63],"tags":[],"class_list":["post-9755277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wordpress-cache"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PageSpeed Insights \u306e\u4f7f\u3044\u65b9\uff1a\u30ec\u30dd\u30fc\u30c8\u306e\u8aad\u307f\u65b9\u3068\u6539\u5584\u7b56\u30102026\u5e74\u3011<\/title>\n<meta name=\"description\" content=\"PageSpeed Insights \u306e\u4f7f\u3044\u65b9\u3092\u3001\u30ec\u30dd\u30fc\u30c8\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3054\u3068\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u3068\u30e9\u30dc\u30c7\u30fc\u30bf\u306e\u9055\u3044\u3001Core Web Vitals \u306e\u8a55\u4fa1\u3001WordPress \u30b5\u30a4\u30c8\u3067\u5148\u306b\u5bfe\u5fdc\u3057\u305f\u3044\u6539\u5584\u63d0\u6848\u3068\u3001\u30b9\u30b3\u30a2\u306e\u6539\u5584\u306b\u3064\u306a\u304c\u308b\u65b9\u6cd5\u304c\u308f\u304b\u308a\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wp-rocket.me\/ja\/blog\/how-to-use-pagespeed-insights\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PageSpeed Insights 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content=\"https:\/\/www.facebook.com\/pages\/WP-Rocket\/631942253526829\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-13T09:16:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-13T09:16:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/wp-rocket.me\/wp-content\/uploads\/2025\/05\/Google-PageSpeed-Insights-a-Beginner-Guide-to-Balance-Scores-with-Site-Functionality.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1100\" \/>\n\t<meta property=\"og:image:height\" content=\"460\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Nick Sch\u00e4ferhoff\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@wp_rocket\" \/>\n<meta name=\"twitter:site\" content=\"@wp_rocket\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nick Sch\u00e4ferhoff\" \/>\n\t<meta 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