{"id":16309,"date":"2025-12-28T11:50:32","date_gmt":"2025-12-28T10:50:32","guid":{"rendered":"https:\/\/webhosting.de\/browser-rendering-speed-hosting-verfaelscht-perf-cache\/"},"modified":"2025-12-28T11:50:32","modified_gmt":"2025-12-28T10:50:32","slug":"%e3%83%96%e3%83%a9%e3%82%a6%e3%82%b6%e3%81%ae%e3%83%ac%e3%83%b3%e3%83%80%e3%83%aa%e3%83%b3%e3%82%b0%e9%80%9f%e5%ba%a6-%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0%e3%81%ae%e5%81%bd%e8%a3%85","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/browser-rendering-speed-hosting-verfaelscht-perf-cache\/","title":{"rendered":"\u30d6\u30e9\u30a6\u30b6\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u901f\u5ea6\uff1a\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u4f53\u611f\u901f\u5ea6\u3092\u6b6a\u3081\u308b\u8981\u56e0"},"content":{"rendered":"<p>\u30d6\u30e9\u30a6\u30b6\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u901f\u5ea6\u306f\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u8a8d\u8b58\u3092\u6b6a\u3081\u308b\u3088\u3002\u3060\u3063\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u306f <strong>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/strong> \u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u306f\u8d85\u9ad8\u901f\u306a\u306e\u306b\u3001\u6570\u79d2\u306e\u9045\u5ef6\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u3002\u512a\u308c\u305f\u30a4\u30f3\u30d5\u30e9\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30da\u30fc\u30b8\u306e\u52d5\u4f5c\u304c\u9045\u3044\u3068\u611f\u3058\u308b\u7406\u7531\u3068\u3001\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u307e\u3059\u3002 <strong>\u77e5\u899a\u3055\u308c\u305f<\/strong> \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u610f\u56f3\u7684\u306b\u5f62\u6210\u3059\u308b\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n\n<ul>\n  <li><strong>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/strong> \u4f53\u611f\u901f\u5ea6\u306f\u30b5\u30fc\u30d0\u30fc\u6642\u9593\u3088\u308a\u3082\u5f37\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d6\u30ed\u30c3\u30ab\u30fc<\/strong> CSS\/JS\u306b\u3088\u308b\u9ad8\u901f\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u96a0\u853d\u65b9\u6cd5\u3002.<\/li>\n  <li><strong>\u30a6\u30a7\u30d6\u30fb\u30d0\u30a4\u30bf\u30eb<\/strong> FCP\u3001LCP\u3001CLS \u306f\u3001\u77e5\u899a\u3068 SEO \u3092\u5236\u5fa1\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30d1\u30b9<\/strong> \u30c7\u30c8\u30c3\u30af\u30b9\u306f\u3001\u65e9\u3044\u6bb5\u968e\u3067\u76ee\u306b\u898b\u3048\u308b\u52b9\u679c\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong> HTTP\/3 \u306f\u5fdc\u7b54\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/browser-rendering-speed-5419.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30d6\u30e9\u30a6\u30b6\u3067\u5b9f\u969b\u306b\u6642\u9593\u3092\u6d88\u8cbb\u3059\u308b\u3082\u306e<\/h2>\n\n<p>\u30e6\u30fc\u30b6\u30fc\u304c\u4f55\u304b\u3092\u898b\u308b\u524d\u306b\u3001\u30d6\u30e9\u30a6\u30b6\u306f HTML \u304b\u3089 <strong>DOM<\/strong>, \u3001CSS \u304b\u3089 CSSOM \u3092\u53d6\u5f97\u3057\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\uff08<strong>TTFB<\/strong>\uff09\u304c\u30af\u30ea\u30fc\u30f3\u3067\u3042\u308b\u3053\u3068\u3067\u3059\u3002JavaScript \u306f\u3001\u30d8\u30c3\u30c0\u30fc\u3067\u30ed\u30fc\u30c9\u3055\u308c\u3001\u89e3\u6790\u3092\u59a8\u3052\u308b\u5834\u5408\u306b\u3082\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002\u30d5\u30a9\u30f3\u30c8\u306f\u3001font-display: swap \u306b\u3088\u308b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u6a5f\u80fd\u3057\u306a\u3044\u5834\u5408\u3001\u30c6\u30ad\u30b9\u30c8\u306e\u8868\u793a\u3092\u9045\u3089\u305b\u307e\u3059\u3002\u30da\u30a4\u30f3\u30c6\u30a3\u30f3\u30b0\u3068\u30b3\u30f3\u30dd\u30b8\u30c3\u30c8\u304c\u5b8c\u4e86\u3057\u3066\u304b\u3089\u521d\u3081\u3066\u3001\u753b\u9762\u306b\u4f55\u304b\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u4f53\u611f\u7684\u306a\u30ed\u30fc\u30c9\u6642\u9593\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002.<\/p>\n\n<p>\u79c1\u306f\u3001\u6700\u521d\u306e\u5370\u8c61\u3092\u78ba\u7acb\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u3059\u3050\u306b\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u6298\u308a\u76ee\u306e\u4e0a\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u512a\u5148\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af<\/strong> \u53d6\u5f97\u3057\u307e\u3059\u3002\u91cd\u8981\u306a CSS \u3092\u610f\u56f3\u7684\u306b\u30a4\u30f3\u30e9\u30a4\u30f3\u3067\u6700\u5c0f\u9650\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u521d\u306e\u30da\u30a4\u30f3\u30c8\u304c\u753b\u9762\u306b\u65e9\u304f\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001defer \u307e\u305f\u306f async \u3092\u4f7f\u7528\u3057\u3066\u3001\u8868\u793a\u958b\u59cb\u306e\u5f8c\u308d\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u5404\u30ce\u30fc\u30c9\u304c\u30ec\u30a4\u30a2\u30a6\u30c8\u3068 <strong>\u30ea\u30d5\u30ed\u30fc<\/strong> \u5ef6\u9577\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u8abf\u6574\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u6700\u521d\u306e\u30d4\u30af\u30bb\u30eb\u307e\u3067\u306e\u7d4c\u8def\u3082\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n<h2>\u9ad8\u901f\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u304c\u4f4e\u901f\u306b\u611f\u3058\u3089\u308c\u308b\u7406\u7531<\/h2>\n\n<p>\u4f4e\u3044 <strong>TTFB<\/strong> \u306f\u5f79\u7acb\u3061\u307e\u3059\u304c\u3001\u30d6\u30ed\u30c3\u30af\u3059\u308b CSS\/JS \u30d5\u30a1\u30a4\u30eb\u306f\u305d\u306e\u5229\u70b9\u3092\u5373\u5ea7\u306b\u53f0\u7121\u3057\u306b\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u79c1\u306f\u3001\u3059\u3079\u3066\u304c\u30ed\u30fc\u30c9\u3055\u308c\u308b\u307e\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u505c\u6b62\u3059\u308b\u3001\u30ae\u30ac\u30d0\u30a4\u30c8\u5358\u4f4d\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u542b\u3080\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c6\u30fc\u30de\u3092\u3088\u304f\u76ee\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u5b9f\u969b\u306e <strong>\u5fdc\u7b54\u6642\u9593<\/strong> \u305d\u306e\u901a\u308a\u3067\u3059\u3002\u30c4\u30fc\u30eb\u306e\u6e2c\u5b9a\u8aa4\u5dee\u306f\u3053\u308c\u3092\u3055\u3089\u306b\u60aa\u5316\u3055\u305b\u307e\u3059\u3002\u9060\u8ddd\u96e2\u304b\u3089\u306e\u30c6\u30b9\u30c8\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u51b7\u3048\u305f\u72b6\u614b\u3067\u306e\u30c6\u30b9\u30c8\u306f\u3001\u5b9f\u969b\u306e\u4f53\u9a13\u3068\u306f\u4e00\u81f4\u3057\u306a\u3044\u4e0d\u6b63\u78ba\u306a\u6570\u5024\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u76ee\u3059\u308b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002 <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%b9%e3%83%94%e3%83%bc%e3%83%89%e3%83%86%e3%82%b9%e3%83%88-%e4%b8%8d%e6%ad%a3%e7%a2%ba%e3%81%aa%e7%b5%90%e6%9e%9c-%e6%b8%ac%e5%ae%9a%e8%aa%a4%e5%b7%ae-%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc\/\">\u8aa4\u3063\u305f\u901f\u5ea6\u30c6\u30b9\u30c8<\/a>, \u6e2c\u5b9a\u3068\u611f\u899a\u306e\u9055\u3044\u3092\u8a8d\u8b58\u3059\u308b\u305f\u3081\u306b\u3002.<\/p>\n\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u79c1\u306f\u5ba2\u89b3\u7684\u306a\u5145\u96fb\u6642\u9593\u3068\u4e3b\u89b3\u7684\u306a\u5145\u96fb\u6642\u9593\u3092\u533a\u5225\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u77e5\u899a<\/strong>. \u4ee5\u524d\u306f\u3001\u753b\u50cf\u304c\u8868\u793a\u3055\u308c\u308b\u524d\u306b\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3067\u30b9\u30c8\u30ec\u30b9\u304c\u8efd\u6e1b\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6bb5\u968e\u7684\u306b\u8868\u793a\u3057\u3001\u5f85\u3061\u6642\u9593\u3092\u77ed\u304f\u611f\u3058\u3055\u305b\u307e\u3059\u3002\u30ea\u30d4\u30fc\u30bf\u30fc\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8ffd\u52a0\u30e1\u30ea\u30c3\u30c8\u3082\u4eab\u53d7\u3067\u304d\u307e\u3059\u3002 <strong>\u30ad\u30e3\u30c3\u30b7\u30e5<\/strong>, \u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u5f71\u97ff\u3092\u8986\u3044\u96a0\u3057\u3066\u3057\u307e\u3046\u3002\u30b5\u30fc\u30d0\u30fc\u306e\u6307\u6a19\u3060\u3051\u3092\u898b\u3066\u308b\u3068\u3001\u512a\u5148\u9806\u4f4d\u3092\u9593\u9055\u3048\u3061\u3083\u3046\u3053\u3068\u304c\u3088\u304f\u3042\u308b\u3093\u3060\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/browserkonferenz8123.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>Core Web Vitals \u3092\u6b63\u3057\u304f\u8aad\u307f\u53d6\u308b<\/h2>\n\n<p>\u4f53\u611f\u901f\u5ea6\u3092\u5236\u5fa1 <strong>\u30a8\u30d5\u30b7\u30fc\u30d4\u30fc<\/strong> \u305d\u3057\u3066 LCP \u306f\u3001\u7b2c\u4e00\u5370\u8c61\u3068\u76ee\u306b\u898b\u3048\u308b\u30de\u30a4\u30eb\u30b9\u30c8\u30fc\u30f3\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002FCP \u306f\u6700\u521d\u306b\u8868\u793a\u3055\u308c\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u304c\u3001CSS \u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u307e\u307e\u306e\u5834\u5408\u3001\u3053\u306e\u8d77\u52d5\u306f\u4e0d\u5b89\u5b9a\u306b\u306a\u308a\u307e\u3059\u3002LCP \u306f\u6700\u5927\u306e\u8981\u7d20\uff08\u591a\u304f\u306e\u5834\u5408\u3001\u30d2\u30fc\u30ed\u30fc\u753b\u50cf\uff09\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u3001\u3053\u3053\u3067\u306f\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3001\u5727\u7e2e\u3001\u304a\u3088\u3073 <strong>\u6020\u60f0<\/strong> \u30ed\u30fc\u30c9\u4e2d\u3002CLS \u306f\u3001\u4e0d\u5b89\u611f\u3092\u751f\u307f\u3001\u30af\u30ea\u30c3\u30af\u30df\u30b9\u3092\u62db\u304f\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u4e71\u308c\u3092\u5438\u53ce\u3057\u307e\u3059\u3002\u512a\u308c\u305f\u30b9\u30d4\u30fc\u30c9\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u4e0a\u90e8\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u5b9f\u969b\u306b\u8868\u793a\u3055\u308c\u308b\u901f\u5ea6\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<p>\u79c1\u306f\u3053\u308c\u3089\u306e\u6307\u6a19\u3092\u4e26\u884c\u3057\u3066\u6e2c\u5b9a\u3057\u3001\u5408\u6210\u30c6\u30b9\u30c8\u5024\u3092\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3068\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002Elementor \u306b\u3088\u308b\u3068\u30011\uff5e3 \u79d2\u306e\u9045\u5ef6\u3067\u306f\u76f4\u5e30\u7387\u304c 32\u202f% \u4e0a\u6607\u3057\u30015 \u79d2\u3067\u306f 90\u202f% \u4e0a\u6607\u3057\u307e\u3059\u3002 <strong>\u95a2\u9023\u6027<\/strong> Vitals \u304c\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u5206\u6790\u306b\u306f Lighthouse \u3068 CrUX \u304c\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5404\u30c6\u30b9\u30c8\u306b\u306f\u660e\u78ba\u306a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002\u6bd4\u8f03\u3068\u3057\u3066\u306f\u3001 <a href=\"https:\/\/webhosting.de\/ja\/pagespeed-insights-lighthouse-%e6%af%94%e8%bc%83%e6%8c%87%e6%a8%99-seo%e6%9c%80%e9%81%a9%e5%8c%96%e3%83%80%e3%83%83%e3%82%b7%e3%83%a5%e3%83%9c%e3%83%bc%e3%83%89\/\">PageSpeed \u5bfe Lighthouse<\/a> \u8a55\u4fa1\u57fa\u6e96\u3092\u660e\u78ba\u306b\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5b9f\u969b\u306e <strong>\u884c\u52d5<\/strong> \u5b9f\u884c\u3067\u304d\u308b\u3002.<\/p>\n\n<h2>INP \u3068\u771f\u306e\u53cc\u65b9\u5411\u6027\u3092\u7406\u89e3\u3059\u308b<\/h2>\n\n<p>FID\u304c\u5ec3\u6b62\u3055\u308c\u3066\u4ee5\u6765\u3001 <strong>\u30a4\u30f3\u30d4\u30fc<\/strong> (Interaction to Next Paint) \u306f\u3001\u4f53\u611f\u7684\u306a\u53cd\u5fdc\u306e\u901f\u3055\u3092\u6e2c\u308b\u4e2d\u5fc3\u7684\u306a\u6307\u6a19\u3067\u3059\u3002\u5165\u529b\u9045\u5ef6\u3001\u51e6\u7406\u6642\u9593\u3001\u6b21\u306e\u30da\u30a4\u30f3\u30c8\u307e\u3067\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u3092\u5206\u96e2\u3057\u3001\u5404\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u500b\u5225\u306b\u6700\u9069\u5316\u3057\u307e\u3059\u3002\u9577\u3044\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u30bf\u30b9\u30af\u306f\u5206\u5272\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306f\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u306b\u3088\u3063\u3066\u6574\u5217\u3055\u305b\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u7d20\u65e9\u304f\u63cf\u753b\u3067\u304d\u308b\u3088\u3046\u306b\u610f\u56f3\u7684\u306b\u4f59\u88d5\u3092\u6301\u305f\u305b\u307e\u3059\u3002\u30e9\u30dc\u3067\u306f\u3001 <strong>TBT<\/strong> \u30d7\u30ed\u30ad\u30b7\u3068\u3057\u3066\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u306f\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e75\u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u304c\u30ab\u30a6\u30f3\u30c8\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n<p>\u4e00\u8cab\u3057\u3066\u79c1\u306f <strong>\u30a4\u30d9\u30f3\u30c8\u4ee3\u8868\u56e3<\/strong>, \u3001\u30d1\u30c3\u30b7\u30d6\u30ea\u30b9\u30ca\u30fc\u3001\u77ed\u3044\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u5c0e\u5165\u3057\u3066\u3044\u307e\u3059\u3002\u8a08\u7b97\u8ca0\u8377\u306e\u9ad8\u3044\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306f Web \u30ef\u30fc\u30ab\u30fc\u306b\u79fb\u884c\u3057\u3001\u9ad8\u4fa1\u306a\u30b9\u30bf\u30a4\u30eb\u306f GPU \u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30e0\u306b\u7f6e\u304d\u63db\u3048\u3066\u3044\u307e\u3059\u3002\u30b9\u30af\u30ed\u30fc\u30eb\u3001\u30bf\u30c3\u30d7\u3001\u30db\u30d0\u30fc\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u884c\u3048\u308b\u3088\u3046\u300116 \u30df\u30ea\u79d2\u7a0b\u5ea6\u306e\u30d5\u30ec\u30fc\u30e0\u4e88\u7b97\u306f\u6c7a\u3057\u3066\u30d6\u30ed\u30c3\u30af\u3057\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u30c7\u30fc\u30bf\u306e\u518d\u8aad\u307f\u8fbc\u307f\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u30da\u30fc\u30b8\u306f\u30b9\u30e0\u30fc\u30ba\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u611f\u3058\u3089\u308c\u307e\u3059\u3002.<\/p>\n\n<h2>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d1\u30b9\u3092\u6700\u9069\u5316<\/h2>\n\n<p>\u79c1\u306f\u30b9\u30ea\u30e0\u306a <strong>\u30a8\u30c3\u30c1\u30a8\u30e0\u30c6\u30a3\u30fc\u30a8\u30eb<\/strong>-\u65e9\u671f\u306b\u8868\u793a\u3055\u308c\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u542b\u3080\u5fdc\u7b54\u3002\u91cd\u8981\u306a CSS \u306f\u6700\u5c0f\u9650\u30a4\u30f3\u30e9\u30a4\u30f3\u3067\u8a18\u8ff0\u3057\u3001\u6b8b\u308a\u306f\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3067\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002\u5f8c\u3067\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u5236\u5fa1\u3059\u308b JavaScript \u306f\u3001\u4e00\u8cab\u3057\u3066 defer \u307e\u305f\u306f async \u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\u30d5\u30a9\u30f3\u30c8\u3084\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306a\u3069\u306e\u5916\u90e8\u4f9d\u5b58\u95a2\u4fc2\u306f\u3001 <strong>\u30a8\u30c3\u30b8<\/strong> \u30b9\u30bf\u30fc\u30c8\u30d5\u30ed\u30fc\u3067\u751f\u6210\u3057\u307e\u3059\u3002 \u7279\u306b\u3001\u8ab0\u3082\u3082\u3046\u5fc5\u8981\u3068\u3057\u306a\u3044\u53e4\u3044\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u65ad\u7247\u3092\u524a\u9664\u3057\u307e\u3059\u3002.<\/p>\n\n<p>DNS\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3001\u30d7\u30ea\u30b3\u30cd\u30af\u30c8\u3001\u30d7\u30ea\u30ed\u30fc\u30c9\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u52d5\u4f5c\u3092\u9045\u304f\u3057\u306a\u3044\u3088\u3046\u63a7\u3048\u3081\u306b\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u65e9\u3044<\/strong> \u91cd\u8981\u306a\u3053\u3068\u3092\u7406\u89e3\u3057\u3066\u3044\u307e\u3059\u3002\u30d2\u30f3\u30c8\u304c\u591a\u3059\u304e\u308b\u3068\u512a\u5148\u9806\u4f4d\u304c\u6df7\u4e71\u3057\u3001\u3042\u307e\u308a\u52b9\u679c\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5927\u304d\u306a\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306f\u3001\u660e\u78ba\u306a\u6709\u52b9\u6027\u3092\u6301\u3064\u8ad6\u7406\u7684\u306a\u5c0f\u3055\u306a\u5358\u4f4d\u306b\u5206\u5272\u3057\u307e\u3059\u3002\u30a2\u30d0\u30d6\u30fb\u30b6\u30fb\u30d5\u30a9\u30fc\u30eb\u30c9\u306b\u5fc5\u8981\u306e\u306a\u3044\u30eb\u30fc\u30eb\u306f\u3001\u5f8c\u3067\u8ffd\u52a0\u3057\u3066\u3082\u304b\u307e\u3044\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6700\u521d\u306b\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002 <strong>\u30d4\u30af\u30bb\u30eb<\/strong> \u306f\u3063\u304d\u308a\u3068\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/browser-speed-vs-hosting-4278.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>SSR\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3001\u304a\u3088\u3073\u30cf\u30a4\u30c9\u30ec\u30fc\u30b7\u30e7\u30f3\u6226\u7565<\/h2>\n\n<p>\u76ee\u306b\u898b\u3048\u308b\u8d77\u52d5\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u9069\u5207\u306a\u5834\u6240\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u884c\u3044\u307e\u3059\u3002 <strong>\u30b5\u30fc\u30d0\u30fc\u5074<\/strong> HTML \u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u65e9\u671f\u306b\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3057\u307e\u3059\u3002\u91cd\u8981\u306a CSS\u3001\u30d7\u30ea\u30b3\u30cd\u30af\u30c8\u3001LCP \u8981\u7d20\u3092\u542b\u3080\u30d8\u30c3\u30c0\u30fc\u304c\u6700\u521d\u306b\u9001\u4fe1\u3055\u308c\u3001\u6b8b\u308a\u306f\u9069\u5207\u306a\u30c1\u30e3\u30f3\u30af\u3067\u7d9a\u304d\u307e\u3059\u3002\u8abf\u6574\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30af\u30a8\u30ea\u306b\u3088\u3063\u3066\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u3092\u56de\u907f\u3057\u3001\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u307e\u305f\u306f\u90e8\u5206\u7684\u306a <strong>\u6c34\u5206\u88dc\u7d66<\/strong>, \u3053\u308c\u306b\u3088\u308a\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u5cf6\u3060\u3051\u304c JS \u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306f\u3001\u30ed\u30b8\u30c3\u30af\u3067\u306f\u306a\u304f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u305f\u3081\u306b\u3001\u958b\u59cb\u6642\u306b\u7a7a\u304d\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n<p>\u8907\u96d1\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u306f\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u53ef\u8996\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5206\u96e2\u3057\u3001\u91cd\u8981\u5ea6\u306e\u4f4e\u3044\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u3092\u9045\u5ef6\u3055\u305b\u3001\u6a5f\u80fd\u3092\u52d5\u7684\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u30da\u30fc\u30b8\u3067\u306f\u3001\u9759\u7684\u306a\u51fa\u529b\u307e\u305f\u306f\u30a8\u30c3\u30b8\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u512a\u5148\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002 <strong>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/strong> \u7bc0\u7d04\u3057\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u64cd\u4f5c\u3057\u3066\u521d\u3081\u3066\u3001\u30a2\u30d7\u30ea\u306e\u30ed\u30b8\u30c3\u30af\u304c\u4f5c\u52d5\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6a5f\u80fd\u3092\u72a0\u7272\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u3001LCP \u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n<h2>\u512a\u5148\u5ea6\u30d2\u30f3\u30c8\u3001\u30d5\u30a7\u30c3\u30c1\u512a\u5148\u5ea6\u3001\u304a\u3088\u3073\u65e9\u671f\u30d2\u30f3\u30c8<\/h2>\n\n<p>\u79c1\u306f\u30d6\u30e9\u30a6\u30b6\u306b\u660e\u78ba\u306a <strong>\u512a\u5148\u9806\u4f4d<\/strong>LCP \u753b\u50cf\u306b\u306f fetchpriority=\u201chigh\u201c \u3092\u3001\u512a\u5148\u5ea6\u306e\u4f4e\u3044\u753b\u50cf\u306b\u306f \u201elow\u201c \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30d7\u30ea\u30ed\u30fc\u30c9\u306b\u306f\u3001\u5b9f\u969b\u306b\u30d6\u30ed\u30c3\u30af\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u3092\u610f\u56f3\u7684\u306b\u4f7f\u7528\u3057\u3001\u3059\u3067\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d2\u30f3\u30c8\u3068\u306e\u91cd\u8907\u3092\u907f\u3051\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u304c\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001 <strong>\u521d\u671f\u306e\u30d2\u30f3\u30c8<\/strong> (103)\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30e1\u30a4\u30f3\u306e\u5fdc\u7b54\u304c\u6765\u308b\u524d\u306b\u63a5\u7d9a\u3092\u958b\u304f\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6700\u521d\u306e\u30d4\u30af\u30bb\u30eb\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u5927\u5e45\u306b\u7bc0\u7d04\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n<h2>JavaScript\u306e\u30d6\u30ec\u30fc\u30ad\u8981\u56e0\u3092\u7279\u5b9a\u3057\u3001\u305d\u306e\u5f71\u97ff\u3092\u8efd\u6e1b\u3059\u308b<\/h2>\n\n<p>\u30d6\u30ed\u30c3\u30af\u3059\u308b <strong>\u30b9\u30af\u30ea\u30d7\u30c8<\/strong> \u30d1\u30fc\u30b9\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u3001\u30da\u30a4\u30f3\u30c8\u3092\u5ef6\u9577\u3057\u307e\u3059\u304c\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u5b9f\u969b\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u62d8\u675f\u3059\u308b\u30d0\u30f3\u30c9\u30eb\u3068\u3001\u30d1\u30fc\u30b9\u6642\u9593\u304c\u6025\u5897\u3059\u308b\u7b87\u6240\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u30dd\u30ea\u30d5\u30a3\u30eb\u3084\u5927\u898f\u6a21\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u3001\u771f\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u5834\u5408\u306b\u306e\u307f\u4f7f\u7528\u3057\u307e\u3059\u3002 <strong>\u30e1\u30ea\u30c3\u30c8<\/strong> \u6b8b\u308a\u306f\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u5f8c\u308d\u3084\u52d5\u7684\u306a\u30a4\u30f3\u30dd\u30fc\u30c8\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ed\u30b8\u30c3\u30af\u3067\u306f\u306a\u304f\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u307e\u307e\u958b\u59cb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n<p>\u7279\u306b\u91cd\u8981\u306a\u6307\u6a19\u306f <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%a4%e3%83%b3%e3%82%bf%e3%83%a9%e3%82%af%e3%83%86%e3%82%a3%e3%83%96tti%e3%81%ae%e6%99%82%e9%96%93\/\">\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306e\u6642\u9593<\/a>, \u30e6\u30fc\u30b6\u30fc\u304c\u8fc5\u901f\u306b\u884c\u52d5\u3067\u304d\u308b\u304b\u3089\u3067\u3059\u3002\u9577\u3044\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u30bf\u30b9\u30af\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u4f59\u88d5\u3092\u6301\u305f\u305b\u308b\u305f\u3081\u306b\u5c0f\u3055\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u5206\u5272\u3057\u307e\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u5206\u96e2\u3057\u3001\u9045\u5ef6\u3055\u305b\u308b\u304b\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u5f8c\u306b\u306e\u307f\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002JS \u304b\u3089\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u5206\u96e2\u3059\u308b\u3068\u3001\u6a5f\u80fd\u3092\u640d\u306a\u3046\u3053\u3068\u306a\u304f FCP \u3068 LCP \u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001 <strong>\u30da\u30fc\u30b8<\/strong> \u3059\u3050\u306b\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3001\u6a5f\u80fd\u306f\u5f8c\u3067\u8ffd\u52a0\u53ef\u80fd\u3002.<\/p>\n\n<h2>\u753b\u50cf\u3001\u30d5\u30a9\u30f3\u30c8\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u5b89\u5b9a\u6027<\/h2>\n\n<p>\u79c1\u306f\u753b\u50cf\u3092\u523b\u5370\u3057\u307e\u3059\u3002 <strong>\u30a6\u30a7\u30d6\u30d4\u30fc<\/strong> \u307e\u305f\u306f AVIF \u3092\u6307\u5b9a\u3057\u3001\u6b63\u78ba\u306b\u30b5\u30a4\u30ba\u3092\u8abf\u6574\u3057\u307e\u3059\u3002\u5404\u30ea\u30bd\u30fc\u30b9\u306b\u306f\u5e45\u3068\u9ad8\u3055\u3092\u6307\u5b9a\u3057\u3066\u3001\u30b9\u30da\u30fc\u30b9\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002\u30ec\u30a4\u30b8\u30fc\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306f\u3001\u6298\u308a\u76ee\u3088\u308a\u4e0b\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u8a2d\u5b9a\u3057\u3001\u958b\u59cb\u4f4d\u7f6e\u304c\u81ea\u7531\u306b\u306a\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u30d2\u30fc\u30ed\u30fc\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u306a\u3069\u306e\u91cd\u8981\u306a\u753b\u50cf\u306f\u3001\u3055\u3089\u306b\u9069\u5ea6\u306a <strong>\u54c1\u8cea<\/strong> \u304a\u3088\u3073\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u3002\u3053\u308c\u306b\u3088\u308a\u3001LCP \u304c\u4e0a\u65b9\u306b\u8df3\u306d\u4e0a\u304c\u308b\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n\n<p>\u30d5\u30a9\u30f3\u30c8\u306b\u306f font-display: swap \u3092\u8a2d\u5b9a\u3057\u3066\u3001\u30c6\u30ad\u30b9\u30c8\u304c\u3059\u3050\u306b\u8868\u793a\u3055\u308c\u3001\u5f8c\u3067\u30b9\u30e0\u30fc\u30ba\u306b\u5207\u308a\u66ff\u308f\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u8ee2\u9001\u3068 <strong>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/strong> \u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002CLS \u3092\u4f4e\u304f\u6291\u3048\u308b\u305f\u3081\u3001\u5b89\u5b9a\u3057\u305f\u30b3\u30f3\u30c6\u30ca\u306b\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u307e\u3059\u3002\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u8981\u7d20\u306f\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ea\u30d5\u30ed\u30fc\u3092\u907f\u3051\u308b\u305f\u3081\u3001transform\/opacity \u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306f\u5b89\u5b9a\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306f <strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong> \u30af\u30ea\u30c3\u30af\u6570\u306b\u3064\u3044\u3066\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/rendering_speed_nachtbild_3817.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u753b\u50cf\u3068\u30a2\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30b7\u30e7\u30f3<\/h2>\n\n<p>\u79c1\u306f\u753b\u50cf\u3092\u518d\u751f\u3057\u307e\u3059 <strong>\u30bd\u30fc\u30b9\u30bb\u30c3\u30c8<\/strong> \u9069\u5207\u306a\u89e3\u50cf\u5ea6\u3067\u30b5\u30a4\u30ba\u3092\u9078\u629e\u3057\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u30d4\u30af\u30bb\u30eb\u5bc6\u5ea6\u3092\u8003\u616e\u3057\u307e\u3059\u3002\u3055\u307e\u3056\u307e\u306a\u30c8\u30ea\u30df\u30f3\u30b0\u306b\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u6700\u9069\u306a\u9078\u629e\u3092\u884c\u3048\u308b\u3088\u3046\u3001picture \u3068\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u4ed8\u304d\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002LCP \u753b\u50cf\u306f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002 <strong>\u71b1\u5fc3<\/strong> decoding=\u201casync\u201c \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u4e0b\u6d41\u306e\u30e1\u30c7\u30a3\u30a2\u306f\u9045\u5ef6\u518d\u751f\u306e\u307e\u307e\u306b\u306a\u308a\u307e\u3059\u3002\u4f4e\u54c1\u8cea\u306e\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc\u3084\u652f\u914d\u7684\u306a\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b5\u30a6\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6025\u6fc0\u306a\u30dd\u30c3\u30d7\u30a4\u30f3\u3092\u56de\u907f\u3057\u3001CLS \u3092\u4f4e\u304f\u6291\u3048\u307e\u3059\u3002.<\/p>\n\n<h2>\u30b5\u30fc\u30d3\u30b9\u30ef\u30fc\u30ab\u30fc\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3001BFCache<\/h2>\n\n<p>A <strong>\u30b5\u30fc\u30d3\u30b9\u30fb\u30ef\u30fc\u30ab\u30fc<\/strong> \u30ad\u30e3\u30c3\u30b7\u30e5\u6226\u7565\uff08stale-while-revalidate \u306a\u3069\uff09\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30d4\u30fc\u30c8\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002\u91cd\u8981\u306a\u30eb\u30fc\u30c8\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001API \u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u77ed\u547d\u306b\u3057\u3001\u6700\u521d\u306e\u30a2\u30a4\u30c9\u30eb\u671f\u9593\u5f8c\u306b\u30a2\u30bb\u30c3\u30c8\u3092\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002SPA \u30eb\u30fc\u30c8\u306b\u306f <strong>\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1<\/strong> \u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30af\u30bb\u30b9\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u5834\u6240\u306e\u307f\u306b\u914d\u7f6e\u3057\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u7121\u99c4\u306b\u3057\u306a\u3044\u3088\u3046\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306f\u614e\u91cd\u306b\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u91cd\u8981\uff1a\u30d0\u30c3\u30af\/\u30d5\u30a9\u30ef\u30fc\u30c9\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30a2\u30f3\u30ed\u30fc\u30c9\u30cf\u30f3\u30c9\u30e9\u3067\u30d6\u30ed\u30c3\u30af\u3057\u306a\u3044\u305f\u3081\u3001\u623b\u308b\u64cd\u4f5c\u304c\u307b\u307c\u77ac\u6642\u306b\u884c\u308f\u308c\u307e\u3059\u3002.<\/p>\n\n<h2>\u30ad\u30e3\u30c3\u30b7\u30e5\u3001CDN\u3001\u304a\u3088\u3073\u6700\u65b0\u306e\u30d7\u30ed\u30c8\u30b3\u30eb<\/h2>\n\n<p>\u30d6\u30e9\u30a6\u30b6\u3092\u52d5\u4f5c\u3055\u305b\u305f\u307e\u307e\u3001\u305d\u306e\u5f37\u3055\u3092\u8a66\u3057\u3066\u307f\u307e\u3059\u3002 <strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong> \u304b\u3089\u3002\u9759\u7684\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u660e\u78ba\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3068\u3068\u3082\u306b\u9577\u3044\u6709\u52b9\u671f\u9593\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002HTML \u306b\u3064\u3044\u3066\u306f\u3001\u77ed\u3044\u6709\u52b9\u671f\u9593\u3092\u8a2d\u5b9a\u3059\u308b\u304b\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3057\u3066\u3001 <strong>TTFB<\/strong> \u4f4e\u3044\u307e\u307e\u3067\u3042\u308b\u3002CDN \u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u8fd1\u3044\u5834\u6240\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u63d0\u4f9b\u3057\u3001\u4e16\u754c\u4e2d\u3067\u9045\u5ef6\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306f\u30d4\u30fc\u30af\u6642\u306e\u8ca0\u8377\u3082\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n<p>HTTP\/2 \u306f\u63a5\u7d9a\u3092\u675f\u306d\u3066\u30ea\u30bd\u30fc\u30b9\u3092\u4e26\u884c\u3057\u3066\u63d0\u4f9b\u3057\u3001HTTP\/3 \u306f\u3055\u3089\u306b\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u306e\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u304c\u3053\u308c\u3092\u652f\u63f4\u3057\u307e\u3059\u3002 <strong>\u30d6\u30e9\u30a6\u30b6<\/strong>, \u91cd\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u6700\u521d\u306b\u53d6\u5f97\u3057\u307e\u3059\u3002\u5916\u90e8\u30db\u30b9\u30c8\u3078\u306e\u4e8b\u524d\u63a5\u7d9a\u306f\u3001\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u304c\u907f\u3051\u3089\u308c\u306a\u3044\u5834\u5408\u306b\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u306f\u3001\u5b9f\u969b\u306e\u8a2a\u554f\u8005\u304c\u30a2\u30af\u30bb\u30b9\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u5834\u5408\u306b\u306e\u307f\u4f7f\u7528\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u306b\u306f\u660e\u78ba\u306a <strong>\u4fe1\u53f7<\/strong>, \u3001\u305d\u3046\u3057\u306a\u3044\u3068\u52b9\u679c\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>DOM\u30b5\u30a4\u30ba\u3068CSS\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u30c0\u30a4\u30a8\u30c3\u30c8<\/h2>\n\n<p>\u81a8\u5f35\u3057\u305f <strong>DOM<\/strong> \u30ea\u30d5\u30ed\u30fc\u3084\u6e2c\u5b9a\u306e\u305f\u3073\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30ca\u3092\u6e1b\u3089\u3057\u3001\u4e0d\u8981\u306a\u30e9\u30c3\u30d1\u30fc\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30af\u30e9\u30b9\u3068\u8efd\u91cf\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u3063\u3066 CSS \u3092\u30b9\u30ea\u30e0\u5316\u3057\u307e\u3059\u3002\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u5927\u304d\u304f\u3001\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30eb\u30fc\u30eb\u3092\u524a\u9664\u3057\u307e\u3059\u3002 <strong>\u30ab\u30d0\u30ec\u30c3\u30b8<\/strong> \u6e2c\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b9\u30bf\u30a4\u30eb\u30c4\u30ea\u30fc\u304c\u660e\u78ba\u306b\u306a\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u8a08\u7b97\u91cf\u304c\u6e1b\u5c11\u3057\u307e\u3059\u3002.<\/p>\n\n<p>\u660e\u78ba\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u5236\u9650\u3092\u8a2d\u5b9a\u3057\u3001\u30dc\u30c3\u30af\u30b9\u30b7\u30e3\u30c9\u30a6\u306a\u3069\u306e\u9ad8\u30b3\u30b9\u30c8\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5927\u5e45\u306b\u5236\u9650\u3057\u307e\u3059\u3002\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u5e38\u306b\u30c8\u30ea\u30ac\u30fc\u3059\u308b\u30a8\u30d5\u30a7\u30af\u30c8\u306f\u3001GPU \u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u3082\u306e\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002 <strong>\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30e0<\/strong>. \u3002\u30ce\u30fc\u30c9\u306e\u591a\u3044\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u306b\u3064\u3044\u3066\u306f\u3001\u5206\u96e2\u3055\u308c\u305f\u30b5\u30d6\u30c4\u30ea\u30fc\u3092\u8a08\u753b\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u3084 <strong>\uff33\uff25\uff2f<\/strong> \u52a9\u3051\u306b\u306a\u308a\u307e\u3059\u3002\u7d50\u3073\u76ee\u304c\u5c11\u306a\u304f\u306a\u308a\u3001\u4f5c\u696d\u3082\u6e1b\u308a\u3001\u30b9\u30d4\u30fc\u30c9\u3082\u4e0a\u304c\u308a\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/entwicklerdesk_render_4382.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>CSS \u304a\u3088\u3073\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ec\u30d0\u30fc\uff1acontent\u2011visibility \u304a\u3088\u3073 contain<\/h2>\n\n<p>\u79c1\u306f\u3053\u3046\u3057\u3066\u3044\u308b\u3002 <strong>\u30b3\u30f3\u30c6\u30f3\u30c4\u53ef\u8996\u6027\uff1a\u81ea\u52d5<\/strong> \u6298\u308a\u76ee\u306e\u4e0b\u306b\u3042\u308b\u9818\u57df\u306b\u5bfe\u3057\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u305d\u308c\u3089\u304c\u8868\u793a\u3055\u308c\u305f\u3068\u304d\u306b\u521d\u3081\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u884c\u3046\u3088\u3046\u306b\u3057\u307e\u3059\u3002 <strong>contain<\/strong> \u9ad8\u4fa1\u306a\u30ea\u30d5\u30ed\u30fc\u3092\u30da\u30fc\u30b8\u5168\u4f53\u306b\u9001\u4fe1\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u304c\u6c38\u7d9a\u7684\u306b\u30ea\u30bd\u30fc\u30b9\u3092\u4e88\u7d04\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u76f4\u524d\u306b\u306e\u307f\u3001\u975e\u5e38\u306b\u63a7\u3048\u3081\u306b will-change \u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5916\u89b3\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u4f5c\u696d\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u6e2c\u5b9a\uff1aRUM \u5bfe \u5408\u6210\u30c6\u30b9\u30c8<\/h2>\n\n<p>\u5408\u6210 <strong>\u30c6\u30b9\u30c8<\/strong> \u518d\u73fe\u6027\u306e\u3042\u308b\u6570\u5024\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u6761\u4ef6\u304c\u6b20\u3051\u3066\u3044\u308b\u5834\u5408\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002RUM \u30c7\u30fc\u30bf\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u76ee\u306b\u3057\u3066\u3044\u308b\u3082\u306e\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u79c1\u306f\u3053\u306e 2 \u3064\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u50be\u5411\u3084\u7570\u5e38\u5024\u3092\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002Wattspeed \u3068 Catchpoint \u306b\u3088\u308b\u3068\u3001\u3053\u306e\u8996\u70b9\u306b\u3088\u3063\u3066\u521d\u3081\u3066\u4fe1\u983c\u6027\u306e\u9ad8\u3044 <strong>\u5199\u771f<\/strong> \u77e5\u899a\u3002\u305d\u3046\u3057\u3066\u79c1\u306f\u3001\u65e5\u5e38\u751f\u6d3b\u3067\u5b9f\u611f\u3067\u304d\u308b\u6c7a\u65ad\u3092\u4e0b\u3059\u306e\u3067\u3059\u3002.<\/p>\n\n<p>\u8a73\u7d30\u306a\u5206\u6790\u3092\u884c\u3046\u306b\u306f\u3001\u5e73\u5747\u5024\u3067\u306f\u306a\u304f\u5206\u5e03\u3092\u8abf\u3079\u307e\u3059\u3002\u4e2d\u592e\u5024\u306f\u3001\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306b\u304a\u3051\u308b\u554f\u984c\u3092\u96a0\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u591a\u3044\u304b\u3089\u3067\u3059\u3002 <strong>CPU<\/strong>-\u5236\u9650\u4e8b\u9805\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u679c\u304c\u6df7\u4e71\u3092\u62db\u304b\u306a\u3044\u3088\u3046\u3001\u30b3\u30fc\u30eb\u30c9\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30a6\u30a9\u30fc\u30e0\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5225\u3005\u306b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u8ddd\u96e2\u306b\u3088\u3063\u3066 <strong>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/strong> \u5909\u66f4\u3002\u5404\u6e2c\u5b9a\u5b9f\u884c\u306b\u306f\u660e\u78ba\u306a\u6ce8\u8a18\u304c\u4ed8\u3051\u3089\u308c\u3001\u6bd4\u8f03\u306e\u4fe1\u983c\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4e88\u7b97\u3068\u30c7\u30ea\u30d0\u30ea\u30fc\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3<\/h2>\n\n<p>\u79c1\u306f\u53b3\u3057\u3044\u3068\u5b9a\u7fa9\u3057\u307e\u3059 <strong>\u4e88\u7b97<\/strong> LCP\/INP\/CLS\u3001\u30d0\u30a4\u30c8\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3001JS\u5b9f\u884c\u6642\u9593\u306b\u3064\u3044\u3066\u3002\u3053\u308c\u3089\u306e\u4e88\u7b97\u306f\u3001CI\/CD\u3067\u54c1\u8cea\u30b2\u30fc\u30c8\u3068\u3057\u3066\u8a2d\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001\u30ea\u30b0\u30ec\u30c3\u30b7\u30e7\u30f3\u304c\u30e9\u30a4\u30d6\u306b\u53cd\u6620\u3055\u308c\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002\u30d0\u30f3\u30c9\u30eb\u5206\u6790\u306b\u3088\u308a\u3001\u3069\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u5236\u9650\u3092\u8d85\u3048\u3066\u3044\u308b\u304b\u304c\u308f\u304b\u308a\u3001\u5909\u66f4\u30ed\u30b0\u306b\u3088\u308a\u3001\u8ffd\u52a0\u306e\u91cd\u91cf\u304c\u5fc5\u8981\u3060\u3063\u305f\u7406\u7531\u304c\u660e\u78ba\u306b\u8aac\u660e\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u5076\u7136\u306e\u7523\u7269\u3067\u306f\u306a\u304f\u3001\u610f\u601d\u6c7a\u5b9a\u306e\u7d50\u679c\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n<h2>\u30e2\u30d0\u30a4\u30eb\u306e\u73fe\u5b9f\uff1aCPU\u3001\u30e1\u30e2\u30ea\u3001\u30a8\u30cd\u30eb\u30ae\u30fc<\/h2>\n\n<p>\u5b89\u4fa1\u306a\u6a5f\u5668\u3067\u306f <strong>\u30b5\u30fc\u30de\u30eb\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0<\/strong> \u9ad8\u901f\u5316\u3001\u304a\u3088\u3073RAM\u306e\u5bb9\u91cf\u304c\u5c11\u306a\u3044\u3068\u30bf\u30d6\u306e\u30a8\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001JS\u306e\u91cf\u3092\u6e1b\u3089\u3057\u3001\u5927\u304d\u306a\u30a4\u30f3\u30e9\u30a4\u30f3\u30c7\u30fc\u30bf\u3092\u907f\u3051\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u8efd\u91cf\u306b\u4fdd\u3063\u3066\u3044\u307e\u3059\u3002\u4f4e\u6027\u80fd\u306eCPU\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u3001\u30e1\u30e2\u30ea\u30d5\u30c3\u30c8\u30d7\u30ea\u30f3\u30c8\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u30b3\u30f3\u30c6\u30ca\u306e\u30ea\u30d5\u30ed\u30fc\u3092\u7bc0\u7d04\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u306e\u7d76\u5bfe\u7684\u306a\u6700\u9ad8\u5024\u3088\u308a\u3082\u3001\u77ed\u304f\u3066\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u5fdc\u7b54\u306e\u65b9\u304c\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n<h2>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3092\u6b63\u3057\u304f\u8a55\u4fa1\u3059\u308b<\/h2>\n\n<p>\u512a\u308c\u305f\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306f\u3001 <strong>\u30d9\u30fc\u30b9<\/strong>, \u3057\u304b\u3057\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u611f\u899a\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u79c1\u306f TTFB\u3001HTTP \u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u6280\u8853\u3001\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002\u5fdc\u7b54\u6642\u9593\u304c\u77ed\u3044\u3053\u3068\u306f\u3001\u30da\u30fc\u30b8\u304c\u7bc0\u7d04\u3057\u305f\u6642\u9593\u3092\u518d\u3073\u5931\u308f\u306a\u3044\u5834\u5408\u306b\u306e\u307f\u6709\u52b9\u3067\u3059\u3002\u30d0\u30e9\u30f3\u30b9\u306e\u3068\u308c\u305f\u8a2d\u5b9a\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u7121\u99c4\u306b\u3057\u306a\u3044\u30d0\u30c3\u30d5\u30a1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6982\u8981\u3092\u3059\u3070\u3084\u304f\u628a\u63e1\u3059\u308b\u306b\u306f\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u306a <strong>\u30c6\u30fc\u30d6\u30eb<\/strong> \u4e2d\u6838\u30c7\u30fc\u30bf\u4ed8\u304d\u3002.<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u5834\u6240<\/th>\n      <th>\u30d7\u30ed\u30d0\u30a4\u30c0<\/th>\n      <th>TTFB (\u30df\u30ea\u79d2)<\/th>\n      <th>HTTP\u30d0\u30fc\u30b8\u30e7\u30f3<\/th>\n      <th>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>1<\/td>\n      <td>webhoster.de<\/td>\n      <td>&lt;200<\/td>\n      <td>HTTP\/3<\/td>\n      <td>Redis\/Varnish<\/td>\n    <\/tr>\n    <tr>\n      <td>2<\/td>\n      <td>\u305d\u306e\u4ed6<\/td>\n      <td>300\uff5e500<\/td>\n      <td>HTTP\/2<\/td>\n      <td>\u30d9\u30fc\u30b9<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<p>\u79c1\u306f\u3053\u306e\u30c7\u30fc\u30bf\u3092 Web Vitals \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u5b9f\u969b\u306e <strong>\u52b9\u679c<\/strong> \u30e6\u30fc\u30b6\u30fc\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3002LCP \u304c\u9045\u3044\u5834\u5408\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u9ad8\u901f\u5316\u3060\u3051\u3067\u306f\u3042\u307e\u308a\u52b9\u679c\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u6700\u9069\u5316\u3068\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u304c\u9069\u5207\u306b\u9023\u643a\u3057\u3066\u521d\u3081\u3066\u3001\u8a2a\u554f\u8005\u306f\u901f\u5ea6\u3092\u5b9f\u611f\u3057\u3001\u53cd\u5fdc\u3059\u308b\u306e\u3067\u3059\u3002 <strong>\u901f\u3044<\/strong> \u4e2d\u8eab\u306b\u3064\u3044\u3066.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/browser-speed-vergleich-6174.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3088\u304f\u3042\u308b\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n<p>\u30d8\u30c3\u30c0\u30fc\u306e\u81ea\u52d5\u518d\u751f\u30d3\u30c7\u30aa\u3001\u7121\u9650\u30ab\u30eb\u30fc\u30bb\u30eb\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u767b\u9332 <strong>\u30ea\u30b9\u30ca\u30fc<\/strong> \u30b9\u30af\u30ed\u30fc\u30eb\u3084\u30b5\u30a4\u30ba\u5909\u66f4\u3001\u904e\u5ea6\u306a\u30b7\u30e3\u30c9\u30a6\u52b9\u679c\u3001\u307e\u305f\u306f\u6291\u5236\u3055\u308c\u3066\u3044\u306a\u3044\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30bf\u30b0\u306f\u3001\u5178\u578b\u7684\u306a\u30d6\u30ec\u30fc\u30ad\u30d6\u30ed\u30c3\u30af\u3067\u3059\u3002\u79c1\u306f\u3001\u540c\u610f\u3068\u5bfe\u8a71\u304c\u3042\u3063\u305f\u5f8c\u306b\u306e\u307f\u5206\u6790\u304a\u3088\u3073\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30ed\u30fc\u30c9\u3057\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30ec\u30fc\u30c8\u3092\u5236\u9650\u3057\u3001\u9ad8\u4fa1\u306a\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u307e\u3059\u3002\u8907\u96d1\u306a JS \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u4ee3\u308f\u308a\u306b\u3001transform\/opacity \u4e0a\u3067 CSS \u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u7ba1\u7406\u53ef\u80fd\u306a\u72b6\u614b\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n<h2>\u30af\u30a4\u30c3\u30af\u30c1\u30a7\u30c3\u30af\uff1a\u7d20\u65e9\u3044\u52dd\u5229<\/h2>\n\n<ul>\n  <li>LCP \u8981\u7d20\u3092\u660e\u78ba\u306b\u30de\u30fc\u30af\u3057\u3001\u753b\u50cf\u30b5\u30a4\u30ba\u3092\u6b63\u78ba\u306b\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n  <li>\u6279\u5224\u7684 <strong>\u30b7\u30fc\u30a8\u30b9\u30a8\u30b9<\/strong> \u30a4\u30f3\u30e9\u30a4\u30f3\u3001\u6b8b\u308a\u306e CSS \u3092\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3067\u8aad\u307f\u8fbc\u3080\u3002.<\/li>\n  <li>JS\u3092\u6574\u7406\u3059\u308b, <strong>\u6301\u3061\u8d8a\u3059<\/strong>\/async \u3092\u8a2d\u5b9a\u3057\u3001\u9577\u3044\u30bf\u30b9\u30af\u3092\u5206\u5272\u3059\u308b\u3002.<\/li>\n  <li>font\u2011display: swap \u304a\u3088\u3073\u30b5\u30d6\u30bb\u30c3\u30c6\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30f3\u30c8\u3092\u914d\u4fe1\u3059\u308b\u3002.<\/li>\n  <li>\u30aa\u30d5\u30b9\u30af\u30ea\u30fc\u30f3\u9818\u57df\u306b\u306f content\u2011visibility\/contain \u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n  <li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30d8\u30c3\u30c0\u30fc\u306e\u30af\u30ea\u30fc\u30f3\u5316\uff1a\u4e0d\u5909\u3001\u77ed\u3044 HTML TTL\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3002.<\/li>\n  <li>RUM p75 \u3092\u76e3\u8996\u3057\u3001\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306f\u500b\u5225\u306b\u8a55\u4fa1\u3059\u308b\u3002.<\/li>\n  <li>CI\u306b\u4e88\u7b97\u3092\u7d44\u307f\u8fbc\u307f\u3001\u65e9\u671f\u306b\u5f8c\u9000\u3092\u98df\u3044\u6b62\u3081\u308b\u3002.<\/li>\n<\/ul>\n\n<h2>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u76e3\u67fb\u306e\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n<p>\u79c1\u306f\u51b7\u305f\u3044\u30e9\u30f3\u30cb\u30f3\u30b0\u304b\u3089\u59cb\u3081\u3001\u8a18\u9332\u3057\u307e\u3059\u3002 <strong>\u30a8\u30d5\u30b7\u30fc\u30d4\u30fc<\/strong>, \u3001LCP\u3001CLS\u3001TTI\u3001\u30b9\u30d4\u30fc\u30c9\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3002\u305d\u306e\u5f8c\u3001\u518d\u8a2a\u554f\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u30a6\u30a9\u30fc\u30e0\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30cd\u30eb\u3067\u3001\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u30ea\u30bd\u30fc\u30b9\u3068\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u6642\u9593\u3092\u30de\u30fc\u30af\u3057\u307e\u3059\u3002\u30ab\u30d0\u30ec\u30c3\u30b8\u30d3\u30e5\u30fc\u3067\u306f\u3001\u672a\u4f7f\u7528\u306e CSS \u3068 <strong>JS<\/strong>, \u3001\u305d\u308c\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u91cd\u8981\u306a\u30da\u30fc\u30b8\u30d1\u30b9\u3092\u518d\u5ea6\u30c6\u30b9\u30c8\u3057\u3001\u5206\u5e03\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002.<\/p>\n\n<p>\u6b21\u306b\u3001\u3088\u308a\u6027\u80fd\u306e\u4f4e\u3044\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u3067\u6e2c\u5b9a\u3057\u307e\u3059\u3002 <strong>CPU<\/strong>. \u305d\u306e\u969b\u3001JavaScript\u306e\u30d4\u30fc\u30af\u304c\u3059\u3050\u306b\u76ee\u306b\u3064\u304d\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u30d0\u30f3\u30c9\u30eb\u3092\u6700\u5c0f\u5316\u3057\u3001\u753b\u50cf\u3092\u6bb5\u968e\u7684\u306b\u8aad\u307f\u8fbc\u307f\u3001font-display: swap \u3092\u4e00\u8cab\u3057\u3066\u9069\u7528\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001RUM \u3092\u4f7f\u7528\u3057\u3066\u672c\u756a\u74b0\u5883\u3092\u76e3\u8996\u3057\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u3092 <strong>\u53c2\u7167<\/strong>. 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