{"id":19633,"date":"2026-06-03T08:34:12","date_gmt":"2026-06-03T06:34:12","guid":{"rendered":"https:\/\/webhosting.de\/http-prioritization-browser-resource-scheduling-optimierung-flow\/"},"modified":"2026-06-03T08:34:12","modified_gmt":"2026-06-03T06:34:12","slug":"http%e5%84%aa%e5%85%88%e9%a0%86%e4%bd%8d%e3%83%96%e3%83%a9%e3%82%a6%e3%82%b6%e3%83%aa%e3%82%bd%e3%83%bc%e3%82%b9%e3%82%b9%e3%82%b1%e3%82%b8%e3%83%a5%e3%83%bc%e3%83%aa%e3%83%b3%e3%82%b0%e6%9c%80","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/http-prioritization-browser-resource-scheduling-optimierung-flow\/","title":{"rendered":"HTTP\u306e\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u3068\u30d6\u30e9\u30a6\u30b6\u306e\u30ea\u30bd\u30fc\u30b9\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u306b\u3088\u308b\u30da\u30fc\u30b8\u901f\u5ea6\u306e\u6700\u5927\u5316"},"content":{"rendered":"<p>HTTP\u306e\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u3068\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u7d5e\u3063\u305f\u30d6\u30e9\u30a6\u30b6\u306e\u30ea\u30bd\u30fc\u30b9\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u306f\u3001\u3069\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u6700\u521d\u306b\u5230\u7740\u3059\u308b\u304b\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u91cd\u8981\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u5e2f\u57df\u5e45\u3068\u30b9\u30ec\u30c3\u30c9\u3092\u3069\u306e\u3088\u3046\u306b\u914d\u5206\u3059\u308b\u304b\u3092\u5236\u5fa1\u3059\u308b\u3002 <strong>\u30da\u30fc\u30b8\u901f\u5ea6<\/strong> \u5b9f\u969b\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6761\u4ef6\u4e0b\u3067\u3002\u79c1\u306fHTTP\/2\u3068HTTP\/3\u306e\u512a\u5148\u5ea6\u30b7\u30b0\u30ca\u30eb\u3001\u30ea\u30bd\u30fc\u30b9\u30d2\u30f3\u30c8\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3001\u6b21\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002 <strong>\u30b3\u30a2\u30a6\u30a7\u30d6\u30fb\u30d0\u30a4\u30bf\u30eb<\/strong> LCP\u3001CLS\u3001TBT\u306a\u3069\u306f\u78ba\u5b9f\u306b\u30b0\u30ea\u30fc\u30f3\u30be\u30fc\u30f3\u306b\u79fb\u884c\u3059\u308b\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n\n<ul>\n  <li><strong>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb<\/strong> \u30b3\u30f3\u30c6\u30f3\u30c4\u30fb\u30d5\u30a1\u30fc\u30b9\u30c8\uff1aHTML\u3001\u30d5\u30a9\u30fc\u30eb\u30c9\u4e0aCSS\u3001\u53ef\u8996\u30e1\u30c7\u30a3\u30a2<\/li>\n  <li><strong>\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong> \u3092\u4f7f\u3046\uff1aHTTP\/2\u306e\u591a\u91cd\u5316\u3068HTTP\/3\u306e\u512a\u5148\u9806\u4f4d<\/li>\n  <li><strong>\u30ea\u30bd\u30fc\u30b9<\/strong> \u30d2\u30f3\u30c8\uff1a\u30d7\u30ea\u30ed\u30fc\u30c9\u3001\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3001\u30d7\u30ea\u30b3\u30cd\u30af\u30c8\u3092\u7684\u3092\u7d5e\u3063\u3066\u4f7f\u3046<\/li>\n  <li><strong>JavaScript<\/strong> relieve: \u975e\u540c\u671f\u3001\u9045\u5ef6\u3001\u30b3\u30fc\u30c9\u5206\u5272<\/li>\n  <li><strong>\u898b\u672c\u5e02<\/strong> \u3068\u518d\u8abf\u6574\uff1aDevTools\u3001WebPageTest\u3001\u30b3\u30a2\u30a6\u30a7\u30d6\u30d0\u30a4\u30bf\u30eb<\/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\/2026\/06\/web-optimierung-8096.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u304c\u30ed\u30fc\u30c9\u6642\u9593\u3092\u652f\u914d\u3059\u308b\u7406\u7531<\/h2>\n\n<p>\u73fe\u4ee3\u306e\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u306f\u3001\u540c\u6642\u306b\u591a\u304f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u7af6\u4e89\u3057\u3066\u3044\u308b\u304c\u3001\u6700\u521d\u306b\u898b\u3048\u308b\u30d4\u30af\u30bb\u30eb\u3092\u524d\u9762\u306b\u6301\u3063\u3066\u304f\u308b\u306e\u306f\u307b\u3093\u306e\u308f\u305a\u304b\u3067\u3042\u308b\u3002 <strong>\u6700\u9ad8<\/strong> \u6ce8\u610fHTML\u3001\u91cd\u8981\u306aCSS\u3001\u521d\u671f\u306eJS\u3092\u30ea\u30b9\u30c8\u306e\u4e00\u756a\u4e0a\u306b\u7f6e\u304f\u3053\u3068\u3067\u3001\u30ec\u30f3\u30c0\u30fc\u30d6\u30ed\u30c3\u30ab\u30fc\u304c\u3059\u3050\u306b\u5230\u7740\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u65e9\u671f\u306b\u63cf\u753b\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u6298\u308a\u8fd4\u3057\u3088\u308a\u4e0b\u306e\u753b\u50cf\u3001\u5f8c\u767a\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3084\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306f\u3001\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u585e\u304c\u306a\u3044\u3088\u3046\u306b\u5f85\u6a5f\u30ea\u30b9\u30c8\u306b\u79fb\u52d5\u3059\u308b\u3002\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30b8\u30e3\u30f3\u30d7\u3084\u30b9\u30ec\u30c3\u30c9\u306e\u8f3b\u8f33\u304c\u767a\u751f\u3057\u306b\u304f\u304f\u306a\u308b\u305f\u3081\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u540c\u3058\u5e2f\u57df\u5e45\u304c\u3088\u308a\u591a\u304f\u5229\u7528\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u3002 <strong>\u30e6\u30fc\u30b6\u30fc\u30d5\u30ed\u30fc<\/strong> \u7b2c\u4e00\u5370\u8c61\u304b\u3089\u3002.<\/p>\n\n<h2>\u30d6\u30e9\u30a6\u30b6\u306f\u3069\u306e\u3088\u3046\u306b\u30ea\u30bd\u30fc\u30b9\u3092\u5206\u985e\u3059\u308b\u304b<\/h2>\n\n<p>\u69cb\u6587\u89e3\u6790\u306e\u969b\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u4f9d\u5b58\u95a2\u4fc2\u3092\u8a8d\u8b58\u3057\u3001\u305d\u308c\u3092\u8a55\u4fa1\u3057\u3001\u30ad\u30e5\u30fc\u3092\u69cb\u7bc9\u3059\u308b\u3002 <strong>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb<\/strong> \u30d1\u30b9\u306f\u77ed\u3044\u307e\u307e\u3060\u3002CSS\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b\u306f\u30d7\u30ea\u30ed\u30fc\u30c9\u3001\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0JS\u306b\u306f\u30c7\u30a3\u30d5\u30a1\u30fc\u3001\u30e1\u30c7\u30a3\u30a2\u306b\u306f\u30ec\u30a4\u30b8\u30fc\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u30ed\u30b8\u30c3\u30af\u3092\u671b\u307e\u3057\u3044\u65b9\u5411\u306b\u5c0e\u304f\u3002\u307e\u305f\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u4e0d\u5fc5\u8981\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u505c\u6b62\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u8d77\u52d5\u521d\u671f\u306eDOM\u30a2\u30af\u30bb\u30b9\u306b\u3082\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u308b\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5074\u3067\u306f\u3001\u660e\u78ba\u306a\u512a\u5148\u9806\u4f4d\u3092\u8a2d\u5b9a\u3057\u3001\u76ee\u306b\u898b\u3048\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u512a\u5148\u3055\u308c\u308b\u3088\u3046\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u512a\u5148\u9806\u4f4d\u3092\u4ed8\u3051\u307e\u3059\u3002\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f <a href=\"https:\/\/webhosting.de\/ja\/http%e3%83%aa%e3%82%af%e3%82%a8%e3%82%b9%e3%83%88%e3%81%ae%e5%84%aa%e5%85%88%e9%a0%86%e4%bd%8d%e4%bb%98%e3%81%91%e3%80%81%e3%83%96%e3%83%a9%e3%82%a6%e3%82%b6%e3%83%aa%e3%82%bd%e3%83%bc%e3%82%b9\/\">\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u512a\u5148\u9806\u4f4d\u4ed8\u3051<\/a> \u3053\u306e\u30aa\u30fc\u30c0\u30fc\u3092\u4e00\u8cab\u3057\u3066\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u3068\u3001\u305d\u308c\u3092\u5371\u3046\u304f\u3057\u304b\u306d\u306a\u3044\u5178\u578b\u7684\u306a\u30df\u30b9\u3092\u907f\u3051\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u5b9f\u8df5\u7684\u306a\u30d2\u30f3\u30c8\u3092\u4e0e\u3048\u3066\u304f\u308c\u305f\u3002 <strong>\u30ec\u30f3\u30c0\u30fc<\/strong>-\u30b9\u30bf\u30fc\u30c8\u306e\u30d6\u30ec\u30fc\u30ad\u3092\u304b\u3051\u308b\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\/2026\/06\/http_prioritization_meeting_4832.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>HTTP\/1.1\u3001HTTP\/2\u3001HTTP\/3\uff1a\u30a4\u30f3\u30d1\u30af\u30c8\u306e\u3042\u308b\u9055\u3044<\/h2>\n\n<p>HTTP\/1.1\u306f\u3001\u30db\u30b9\u30c8\u3054\u3068\u306e\u4e26\u5217\u63a5\u7d9a\u3092\u5236\u9650\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30ad\u30e5\u30fc\u304c\u6df7\u96d1\u3059\u308b\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u306e\u52b9\u679c\u306f\u9650\u5b9a\u7684\u3067\u3042\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u8ffd\u52a0\u6642\u9593\u304c\u304b\u304b\u308b\u3002 <strong>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/strong> \u30c9\u30e1\u30a4\u30f3\u30fb\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u901a\u3058\u3066\u3002HTTP\/2\u306f\u30011\u3064\u306e\u63a5\u7d9a\u306b\u591a\u304f\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u30d0\u30f3\u30c9\u30eb\u3057\u3001\u5e2f\u57df\u5e45\u3092\u3088\u308a\u7d30\u304b\u304f\u5206\u6563\u3057\u3001\u4f9d\u5b58\u95a2\u4fc2\u3092\u542b\u3080\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u3092\u53ef\u80fd\u306b\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u91cd\u8981\u306a\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u3001\u30e9\u30f3\u30af\u306e\u4f4e\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u307e\u3068\u3081\u3066\u914d\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002HTTP\/3\u306fQUIC\u3092\u30d9\u30fc\u30b9\u306b\u3057\u3066\u304a\u308a\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u306b\u304a\u3051\u308b\u30d8\u30c3\u30c9\u30aa\u30d6\u30e9\u30a4\u30f3\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3092\u8efd\u6e1b\u3059\u308b\u3002\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u306e\u5229\u70b9\u3092\u7684\u3092\u7d5e\u3063\u3066\u6d3b\u7528\u3057\u305f\u3044\u306e\u3067\u3042\u308c\u3070\u3001\u4ee5\u4e0b\u3092\u898b\u308b\u3068\u6709\u76ca\u3060\u308d\u3046\u3002 <a href=\"https:\/\/webhosting.de\/ja\/http2%e5%a4%9a%e9%87%8d%e5%8c%96%e3%81%a8http11%e3%81%ae%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3%e3%82%b9%e3%81%ae%e8%83%8c%e6%99%af%e3%81%a8%e6%9c%80%e9%81%a9%e5%8c%96\/\">HTTP\/2 \u30de\u30eb\u30c1\u30d7\u30ec\u30ad\u30b7\u30f3\u30b0<\/a>, \u3068\u3044\u3046\u306e\u3082\u3001\u512a\u308c\u305f\u591a\u91cd\u5316\u3092\u4f34\u308f\u306a\u3044\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u306f\u3001\u307b\u3068\u3093\u3069\u610f\u5473\u304c\u306a\u3044\u304b\u3089\u3067\u3042\u308b\u3002 <strong>\u52b9\u679c<\/strong> \u3092\u5c55\u958b\u3059\u308b\u3002.<\/p>\n\n<h2>\u62e1\u5f35\u53ef\u80fd\u306a\u512a\u5148\u9806\u4f4d\u306e\u5b9f\u969b<\/h2>\n\n<p>HTTP\/3\u3067\u306f\uff08\u305d\u3057\u3066HTTP\/2\u306b\u30d0\u30c3\u30af\u30dd\u30fc\u30c8\u3055\u308c\u305f\uff09\u3001\u79c1\u306f\u73fe\u5728\u306e\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u30e2\u30c7\u30eb\u306b <code>\u512a\u5148\u9806\u4f4d<\/code>-\u30d8\u30c3\u30c0\u30fc\u3002\u79c1\u306f\u3053\u308c\u3092\u7dca\u6025\u5ea6\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u4f7f\u3046<code>u<\/code> \u306e\u7dca\u6025\u5ea6\uff080 = \u6700\u9ad8\u30017 = \u4f4e\uff09\u3068\u3001\u30ea\u30bd\u30fc\u30b9\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3002 <em>\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30bf\u30eb<\/em> \u304c\u5c4a\u304f\u304b\u3082\u3057\u308c\u306a\u3044(<code>i<\/code>).\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u306e\u30b7\u30b0\u30ca\u30eb\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff1a\u4f8b\u3048\u3070\u3001HTML\u3068\u91cd\u8981\u306aCSS\u306f. <code>\u512a\u5148\u9806\u4f4d\uff1a u=0\u3001i=?<\/code>, LCP\u30a4\u30e1\u30fc\u30b8 <code>u=1<\/code> \u3092\u3082\u3063\u3066 <code>i=?1<\/code> \u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30fb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306f <code>u=6<\/code> \u3092\u53d7\u3051\u53d6\u308b\u3002\u30d6\u30e9\u30a6\u30b6\u306e\u30d2\u30f3\u30c8 <code>fetchpriority=\"high\"<\/code> \u30d8\u30c3\u30c0\u30fc\u306f\u30b5\u30fc\u30d0\u30fc\/CDN\u3078\u306e\u914d\u4fe1\u3092\u5236\u5fa1\u3057\u3001\u5c5e\u6027\u306f\u30d6\u30e9\u30a6\u30b6\u3067\u306e\u5206\u985e\u306b\u5f71\u97ff\u3059\u308b\u3002\u30d8\u30c3\u30c0\u30fc\u306f\u30b5\u30fc\u30d0\u30fc\/CDN\u3078\u306e\u914d\u4fe1\u3092\u5236\u5fa1\u3057\u3001\u5c5e\u6027\u306f\u30d6\u30e9\u30a6\u30b6\u3067\u306e\u5206\u985e\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u4e00\u8cab\u6027\u306f\u91cd\u8981\u3067\u3059\u3002\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u3067\u30ea\u30bd\u30fc\u30b9\u3092\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u3089\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u8a2d\u5b9a\u306b\u53cd\u6620\u3055\u305b\u307e\u3059\u3002.<\/p>\n\n<p>\u3059\u3079\u3066\u306e\u30d7\u30ed\u30ad\u30b7\u304c <code>\u512a\u5148\u9806\u4f4d<\/code>-\u30d8\u30c3\u30c0\u30fc\u306e\u5024\u304c\u5230\u7740\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3001HTTP\/2\u3068HTTP\/3\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u30eb\u30fc\u30eb\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30fc\u30f3\uff08Origin \u2192 CDN \u2192 Edge\uff09\u3067\u691c\u8a3c\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u79c1\u306f\u8ce2\u660e\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u3092\u8a08\u753b\u3057\u3066\u3044\u308b\uff1aHTML\/CRP\u3092\u6700\u524d\u9762\u306b\u3001\u53ef\u8996\u30e1\u30c7\u30a3\u30a2\u3092\u3059\u3050\u5f8c\u308d\u306b\u3001\u305d\u306e\u4ed6\u306f\u3059\u3079\u3066\u305a\u3089\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304cExtensible Priorities\u3092\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30ed\u30d0\u30b9\u30c8\u306a\u30b5\u30fc\u30d0\u30fc\u30fb\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u304c\u305d\u306e\u9055\u3044\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u3002.<\/p>\n\n<h2>\u30b5\u30fc\u30d0\u30fc\u5074\u30b7\u30b0\u30ca\u30eb\uff1a\u512a\u5148\u9806\u4f4d\u3092\u6b63\u3057\u304f\u9001\u4fe1<\/h2>\n\n<p>\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u306f\u3001\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u512a\u5148\u9806\u4f4d\u3092\u5272\u308a\u5f53\u3066\u3001\u91cd\u307f\u3068\u95a2\u4fc2\u3092\u6307\u5b9a\u3057\u3001\u6700\u65b0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u91cd\u8981\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u4e00\u756a\u4e0a\u306b\u6765\u308b\u3088\u3046\u306b\u3059\u308b\u3002 <strong>\u80cc\u666f<\/strong>-\u5b89\u5fc3\u3057\u3066\u4ed5\u4e8b\u3057\u3066\u304f\u3060\u3055\u3044\u3002HTTP\/2\u3067\u306f\u3001\u79c1\u306f\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u91cd\u307f\u3068\u4f9d\u5b58\u95a2\u4fc2\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002HTTP\/3\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067\u914d\u4fe1\u3092\u3055\u3089\u306b\u7d30\u304b\u304f\u5236\u5fa1\u3059\u308b\u65b0\u3057\u3044\u512a\u5148\u9806\u4f4d\u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u91cd\u8981\u3067\u3042\u308b\u3053\u3068\u306b\u5909\u308f\u308a\u306f\u306a\u3044\uff1a\u6700\u521d\u306eHTML\u3001\u91cd\u8981\u306aCSS\u3001\u30e1\u30a4\u30f3\u306eJS\u304c\u6700\u4e0a\u4f4d\u306b\u4f4d\u7f6e\u3057\u3001\u305d\u306e\u6b21\u306b\u6298\u308a\u305f\u305f\u307f\u4ee5\u4e0a\u306e\u753b\u50cf\u304c\u7d9a\u304d\u3001\u30d5\u30a9\u30f3\u30c8\u3001\u4e0d\u53ef\u8996\u30e1\u30c7\u30a3\u30a2\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30fc\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u5f8c\u56de\u3057\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001CDN\u3084\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u304c\u512a\u5148\u9806\u4f4d\u306e\u30b7\u30b0\u30ca\u30eb\u3092\u5c0a\u91cd\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30ec\u30a4\u30e4\u30fc\u304c\u4f55\u3082\u6b6a\u3081\u3066\u3044\u306a\u3044\u304b\u3069\u3046\u304b\u3082\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u79c1\u304c\u8a66\u884c\u932f\u8aa4\u306e\u672b\u306b\u5c0e\u304d\u51fa\u3057\u305f\u9806\u756a\u3092\u793a\u3057\u3066\u3044\u308b\u3002 <strong>\u6700\u521d<\/strong> \u30da\u30f3\u30ad\u3067\u30b9\u30d4\u30fc\u30c9\u30a2\u30c3\u30d7\u3002.<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u30ea\u30bd\u30fc\u30b9\u30bf\u30a4\u30d7<\/th>\n      <th>\u91cd\u8981\u6027<\/th>\n      <th>\u63a8\u5968\u6280\u8853<\/th>\n      <th>\u30d2\u30f3\u30c8<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>HTML\u30a4\u30cb\u30b7\u30e3\u30eb<\/td>\n      <td>\u975e\u5e38\u306b\u9ad8\u3044<\/td>\n      <td>\u6700\u512a\u5148\u4e8b\u9805\uff08H2\/H3\uff09<\/td>\n      <td>\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u3088\u308b\u9ad8\u901fTTFB<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30af\u30ea\u30c6\u30a3\u30ab\u30ebCSS<\/td>\n      <td>\u975e\u5e38\u306b\u9ad8\u3044<\/td>\n      <td><code>\u3002<\/code>, \u9ad8\u3044\u30b9\u30c8\u30ea\u30fc\u30e0\u30a6\u30a7\u30a4\u30c8<\/td>\n      <td>\u30ec\u30f3\u30c0\u30fc\u30d6\u30ed\u30c3\u30ab\u30fc\u3092\u6700\u5c0f\u5316\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30b3\u30a2JS\uff08\u30b9\u30bf\u30fc\u30c8\uff09<\/td>\n      <td>\u9ad8\u3044<\/td>\n      <td><code>\u6301\u3061\u8d8a\u3059<\/code> \u307e\u305f\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u5206\u5272<\/td>\n      <td>DOM\u30a2\u30af\u30bb\u30b9\u306e\u30c1\u30a7\u30c3\u30af<\/td>\n    <\/tr>\n    <tr>\n      <td>\u6298\u308a\u8fbc\u307f\u753b\u50cf<\/td>\n      <td>\u30df\u30c7\u30a3\u30a2\u30e0<\/td>\n      <td><code>fetchpriority=\"high\"<\/code>, \u30ec\u30b9\u30dd\u30f3\u30b7\u30d6<\/td>\n      <td>\u30d5\u30a9\u30fc\u30de\u30c3\u30c8 WebP\/AVIF<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30d5\u30a9\u30f3\u30c8<\/td>\n      <td>\u30df\u30c7\u30a3\u30a2\u30e0<\/td>\n      <td><code>\u30d7\u30ea\u30ed\u30fc\u30c9<\/code>, <code>\u30d5\u30a9\u30f3\u30c8\u8868\u793a\uff1a\u30b9\u30ef\u30c3\u30d7<\/code><\/td>\n      <td>FOIT\u3092\u907f\u3051\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td>\u7d19\u9762\u4e0b\u306e\u30e1\u30c7\u30a3\u30a2<\/td>\n      <td>\u4f4e\u3044<\/td>\n      <td>\u30ec\u30a4\u30b8\u30fc\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0<\/td>\n      <td>\u5f8c\u3067\u691c\u7d22<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3<\/td>\n      <td>\u4f4e\u3044<\/td>\n      <td><code>\u975e\u540c\u671f<\/code>, \u30b3\u30f3\u30bb\u30f3\u30c8\u30b2\u30fc\u30c8<\/td>\n      <td>\u63a7\u3048\u3081\u306b<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/06\/http-prioritization-speed-optimization-7219.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30a2\u30fc\u30ea\u30fc\u30b7\u30b0\u30ca\u30eb\uff1a103 \u30d7\u30c3\u30b7\u30e5\u306e\u4ee3\u308f\u308a\u306b\u30a2\u30fc\u30ea\u30fc\u30d2\u30f3\u30c8<\/h2>\n\n<p>HTTP\/2\u30b5\u30fc\u30d0\u30fc\u30d7\u30c3\u30b7\u30e5\u306f\u3001\u5b9f\u969b\u306b\u306f\u98fc\u3044\u306a\u3089\u3059\u306e\u304c\u96e3\u3057\u304f\u3001\u4eca\u65e5\u591a\u304f\u306e\u5834\u6240\u3067\u30aa\u30d5\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u4ee3\u308f\u308a\u306b\u79c1\u306f <strong>103 \u521d\u671f\u306e\u30d2\u30f3\u30c8<\/strong>, \u3092\u4f7f\u3046\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u6e96\u5099\u5b8c\u4e86\u306b\u306a\u308b\u524d\u3067\u3082\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u30d7\u30ea\u30ed\u30fc\u30c9\u306e\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u7279\u306bCSS\u3001\u30d5\u30a9\u30f3\u30c8\u3001LCP\u753b\u50cf\u306b\u52b9\u679c\u7684\u3067\u3059\u3002 <code>\u30ea\u30f3\u30af \u3067\u3059\u3002<\/code> \u3092\u304d\u308c\u3044\u306b\u30bb\u30c3\u30c8\u3059\u308b\u3002 <code>\u30af\u30ed\u30b9\u30aa\u30ea\u30b8\u30f3<\/code> \u306f\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304c\u307e\u3060\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u3066\u3044\u308b\u9593\u306b\u8ee2\u9001\u3092\u958b\u59cb\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5e2f\u57df\u5e45\u3092\u7121\u99c4\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u6700\u521d\u306e\u30d4\u30af\u30bb\u30eb\u307e\u3067\u306e\u6642\u9593\u3092\u77ed\u7e2e\u3067\u304d\u308b\u3002\u672c\u5f53\u306b\u5fc5\u8981\u306a\u3082\u306e\u3060\u3051\u304c103\u306b\u5c5e\u3057\u3001\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306b\u6c34\u3092\u5dee\u3059\u3053\u3068\u306b\u306a\u308a\u3001\u7d50\u5c40HTML\u304c\u9045\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u30d6\u30e9\u30a6\u30b6\u306e\u30ea\u30bd\u30fc\u30b9\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3092\u7a4d\u6975\u7684\u306b\u5236\u5fa1<\/h2>\n\n<p>\u79c1\u306f\u30d6\u30e9\u30a6\u30b6\u306b\u5177\u4f53\u7684\u306a\u6307\u793a\u3092\u4e0e\u3048\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u30fc\u304c\u6b63\u3057\u3044\u30b8\u30e7\u30d6\u3092\u6700\u521d\u306b\u5f15\u304d\u51fa\u305b\u308b\u3088\u3046\u306b\u3059\u308b\u3002 <strong>\u901f\u3044<\/strong> \u304c\u73fe\u308c\u308b\u3002preload\u306f\u5fc5\u8981\u4e0d\u53ef\u6b20\u306a\u30ea\u30bd\u30fc\u30b9\u306b\u512a\u5148\u9806\u4f4d\u306e\u9ad8\u3044\u3082\u306e\u3092\u4f7f\u3044\u3001prefetch\u306f\u6b21\u306b\u5fc5\u8981\u306b\u306a\u308a\u305d\u3046\u306a\u3082\u306e\u3092\u9759\u304b\u306b\u30d7\u30ea\u30ed\u30fc\u30c9\u3059\u308b\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5834\u5408\u306f\u3001defer\u304basync\u3092\u8a2d\u5b9a\u3059\u308b\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u89e3\u6790\u306e\u52b9\u7387\u3092\u4fdd\u3061\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30bf\u30b9\u30af\u3084\u5165\u529b\u306e\u305f\u3081\u306b\u7a7a\u3051\u3066\u304a\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u753b\u50cf\u3084iframe\u306f\u3001\u5fc5\u8981\u306a\u3068\u304d\u3060\u3051\u9045\u5ef6\u3057\u3066\u8aad\u307f\u8fbc\u307f\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5c5e\u6027\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u5c0f\u3055\u304f\u4fdd\u3064\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002\u307e\u305f <code>\u30d5\u30a7\u30c3\u30c1\u30d7\u30e9\u30a4\u30aa\u30ea\u30c6\u30a3<\/code> \u30d6\u30e9\u30a6\u30b6\u304c\u4e8c\u6b21\u7684\u306a\u30b8\u30e7\u30d6\u3088\u308a\u3082\u512a\u5148\u3059\u308b\u3088\u3046\u306b\u3001\u76ee\u306b\u898b\u3048\u308b\u30e1\u30c7\u30a3\u30a2\u306b\u306f <strong>LCP<\/strong> \u306f\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3002<\/p>\n\n<h2>\u30a8\u30ec\u30e1\u30f3\u30c8\u306e\u5fae\u8abf\u6574<\/h2>\n\n<p>\u5199\u771f\u306b\u3064\u3044\u3066\u306f\u3001\u79c1\u306f\u6b21\u306e\u3088\u3046\u306b\u7d44\u307f\u5408\u308f\u305b\u3066\u3044\u308b\u3002 <code>loading=\"lazy\"<\/code>, <code>decoding=\"async\"<\/code>, \u6b63\u3057\u3044 <code>\u5e45<\/code>\/<code>\u9ad8\u3055<\/code> (\u307e\u305f\u306f <code>\u30a2\u30b9\u30da\u30af\u30c8\u6bd4<\/code>\u305d\u3057\u3066 <code>fetchpriority=\"high\"<\/code> \u3092LCP\u30a4\u30e1\u30fc\u30b8\u306b\u4f7f\u7528\u3059\u308b\u3002\u3064\u307e\u308a\u3001\u30c7\u30b3\u30fc\u30c0\u30fc\u306f\u5206\u96e2\u3055\u308c\u305f\u307e\u307e\u3067\u3042\u308a\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u30b8\u30e3\u30f3\u30d7\u306f\u306a\u304f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306f\u304d\u308c\u3044\u306b\u30bd\u30fc\u30c8\u3055\u308c\u308b\u3002\u4ee5\u4e0b\u306f\u305d\u306e\u4f8b\u3067\u3042\u308b\u3002 <code>\u3002<\/code> \u79c1\u306f\u9069\u5207\u306a <code>\u3068\u3057\u3066<\/code>-\u5c5e\u6027 (<code>\u30b9\u30bf\u30a4\u30eb<\/code>, <code>\u30b9\u30af\u30ea\u30d7\u30c8<\/code>, <code>\u30d5\u30a9\u30f3\u30c8<\/code>, <code>\u30a4\u30e1\u30fc\u30b8<\/code>, <code>\u30d5\u30a7\u30c3\u30c1<\/code>\u3092\u30bb\u30c3\u30c8\u3059\u308b\u3002 <code>\u30af\u30ed\u30b9\u30aa\u30ea\u30b8\u30f3<\/code>, \u30ea\u30bd\u30fc\u30b9\u304c\u7570\u306a\u308bOrigin\u304b\u3089\u6765\u3066\u3044\u308b\u5834\u5408\u3002\u4e0d\u9069\u5207\u306a\u30bf\u30a4\u30d7\u3084CORS\u306e\u6b20\u843d\u306f\u3001\u3059\u3050\u306b\u4e8c\u91cd\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3084\u52b9\u679c\u7684\u3067\u306a\u3044\u30d7\u30ea\u30ed\u30fc\u30c9\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002.<\/p>\n\n<p>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30eb\u30fc\u30eb\u306f\u30a4\u30f3\u30e9\u30a4\u30f3\u3067\u3001\u6b8b\u308a\u306eCSS\u306f <code>\u5a92\u4f53<\/code>-\u30af\u30a8\u30ea\u30fc\uff08\u4f8b. <code>media=\"print\"<\/code> \u79c1\u306f\u5f8c\u3067\u3001\u3042\u308b\u3044\u306f\u3001\u305d\u306e\u3088\u3046\u306a\u65b9\u6cd5\u3067\u5f7c\u3089\u3092\u9a19\u3059\u3002 <code>rel=\"preload\" as=\"style\" onload=\"this.rel='stylesheet'\"<\/code>).\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30ec\u30f3\u30c0\u30fc\u30fb\u30d6\u30ed\u30c3\u30af\u3092\u77ed\u304f\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u6b63\u78ba\u306a\u30a2\u30f3\u30ab\u30fc\u30fb\u30dd\u30a4\u30f3\u30c8\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n\n<h2>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ec\u30f3\u30c0\u30fc\u30d1\u30b9\u306e\u77ed\u7e2e<\/h2>\n\n<p>\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u308b\u524d\u306b\u3001\u4e0d\u8981\u306aCSS\u3084JS\u3092\u524a\u9664\u3059\u308b\u3002\u306a\u305c\u306a\u3089\u3001\u8aad\u307f\u8fbc\u3080\u30d5\u30a1\u30a4\u30eb\u304c\u5c11\u306a\u3051\u308c\u3070\u5c11\u306a\u3044\u307b\u3069\u3001\u76ee\u306b\u898b\u3048\u308b\u30dc\u30ea\u30e5\u30fc\u30e0\u306b\u8fd1\u3065\u304f\u304b\u3089\u3060\u3002 <strong>\u5185\u5bb9<\/strong>. .\u30b9\u30bf\u30a4\u30eb\u306b\u3064\u3044\u3066\u306f\u3001Critical CSS\u3092\u30a4\u30f3\u30e9\u30a4\u30f3\u3067\u4f7f\u3044\u3001\u6b8b\u308a\u306eCSS\u306f\u975e\u540c\u671f\u3067\u8ffd\u52a0\u3059\u308b\u3002JavaScript\u306f\u95a2\u6570\u306e\u5cf6\u306b\u5206\u5272\u3057\u3001\u6700\u521d\u306b\u91cd\u8981\u306a\u3082\u306e\u3060\u3051\u3092\u914d\u4fe1\u3059\u308b\u3002\u30d5\u30a9\u30f3\u30c8\u306f\u304d\u308c\u3044\u306b\u30d7\u30ea\u30ed\u30fc\u30c9\u3057 <code>\u30d5\u30a9\u30f3\u30c8\u8868\u793a\uff1a\u30b9\u30ef\u30c3\u30d7<\/code>, \u30c6\u30ad\u30b9\u30c8\u304c\u3059\u3050\u306b\u8aad\u3081\u308b\u3088\u3046\u306b\u3002\u3053\u306e\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u6642\u9593\u306f\u30d6\u30ed\u30c3\u30af\u304b\u3089\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b\u79fb\u884c\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u91cd\u8981\u306a\u90e8\u5206\u3092\u3059\u3050\u306b\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 <strong>\u54c1\u8cea<\/strong> \u72a0\u7272\u3092\u6255\u3046\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\/2026\/06\/effizient_http_prio_7784.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u753b\u50cf\u3001\u30d5\u30a9\u30f3\u30c8\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u7279\u5225\u306a\u8aad\u307f\u8fbc\u307f<\/h2>\n\n<p>\u79c1\u306f\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306a\u5c5e\u6027\u3068\u6700\u65b0\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u753b\u50cf\u3092\u524d\u9762\u306b\u62bc\u3057\u51fa\u3057\u3066\u3044\u308b\u3002 <strong>\u30de\u30cd\u30b8\u30e1\u30f3\u30c8<\/strong> \u30d7\u30ec\u30b9\u3002\u6298\u308a\u8fd4\u3057\u3088\u308a\u4e0a\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u91cd\u8981\u306a\u3082\u306e\u3068\u3057\u3066\u30de\u30fc\u30af\u3057\u3001\u30ae\u30e3\u30e9\u30ea\u30fc\u3084\u82f1\u96c4\u7684\u306a\u80cc\u666f\u753b\u50cf\u306f\u5f85\u3064\u3002\u30d5\u30a9\u30f3\u30c8\u306f\u672c\u5f53\u306b\u5fc5\u8981\u306a\u3068\u304d\u3060\u3051\u8aad\u307f\u8fbc\u307f\u3001\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u6e1b\u3089\u3057\u3001CSS\u3067FOUT\/FOIT\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u53b3\u3057\u304f\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002\u6700\u521d\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306b\u8ca2\u732e\u3057\u306a\u3044\u3082\u306e\u306f\u3001\u5f8c\u3067\u540c\u610f\u3092\u5f97\u3066\u8aad\u307f\u8fbc\u3080\u304b\u3001\u307e\u3063\u305f\u304f\u8aad\u307f\u8fbc\u307e\u306a\u3044\u3002\u5e83\u544a\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u30bf\u30b0\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u5206\u6790\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u59a8\u3052\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002 <strong>\u30c8\u30e9\u30d6\u30eb\u30d5\u30ea\u30fc<\/strong> \u304c\u6b8b\u3063\u3066\u3044\u308b\u3002<\/p>\n\n<h2>\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u306e\u6b63\u78ba\u306a\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/h2>\n\n<p>CLS\u3092\u843d\u3061\u7740\u304b\u305b\u3001\u30d0\u30a4\u30c8\u6570\u3092\u7bc0\u7d04\u3059\u308b\u305f\u3081\u306b\u3001\u79c1\u306f\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067\u30d5\u30a9\u30f3\u30c8\u3092\u5206\u5272\u3057\u305f\u3002 <code>\u30e6\u30cb\u30b3\u30fc\u30c9\u30fb\u30ec\u30f3\u30b8<\/code> \u3092\u30b5\u30d6\u30bb\u30c3\u30c8\uff08\u30e9\u30c6\u30f3\u6587\u5b57\u3001\u30ad\u30ea\u30eb\u6587\u5b57\u306a\u3069\uff09\u306b\u5206\u3051\u3001\u305d\u308c\u305e\u308c\u306e\u5e02\u5834\u306b\u5fc5\u8981\u306a\u3082\u306e\u3060\u3051\u3092\u4f9b\u7d66\u3059\u308b\u3002\u53ef\u5909\u30d5\u30a9\u30f3\u30c8\u3092\u672c\u5f53\u306b\u5fc5\u8981\u306a\u8ef8\u306b\u7d5e\u308b\uff1b; <code>\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u8abf\u6574<\/code> \u305d\u308c\u305e\u308c <code>@font-face { size-adjust: ... }<\/code> \u3092\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u306b\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u884c\u306e\u9ad8\u3055\u3092\u5b89\u5b9a\u3055\u305b\u3066\u3044\u308b\u3002\u30d7\u30ea\u30ed\u30fc\u30c9\u306b\u306f <code>as=\"\u30d5\u30a9\u30f3\u30c8\"<\/code>, \u6b63\u3057\u3044MIME\u30bf\u30a4\u30d7\u3068 <code>\u30af\u30ed\u30b9\u30aa\u30ea\u30b8\u30f3<\/code>, \u305d\u3046\u3057\u306a\u3044\u3068\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u518d\u5229\u7528\u306b\u5931\u6557\u3059\u308b\u3002\u30d6\u30e9\u30f3\u30c9\u306e\u4e3b\u5f35\u306b\u3088\u3063\u3066 <code>\u30d5\u30a9\u30f3\u30c8\u8868\u793a\uff1a\u30b9\u30ef\u30c3\u30d7<\/code> \u6216\u3044\u306f <code>\u4efb\u610f<\/code>; \u5f8c\u8005\u306f\u30c6\u30ad\u30b9\u30c8\u3092\u5373\u5ea7\u306b\u8868\u793a\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30c7\u30d0\u30a4\u30b9\u304c\u8a31\u53ef\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u3092\u5f15\u304d\u51fa\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u30d2\u30f3\u30c8\uff1a\u30d7\u30ea\u30ed\u30fc\u30c9\u3001\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3001\u30d7\u30ea\u30b3\u30cd\u30af\u30c8<\/h2>\n\n<p>\u30d7\u30ea\u30b3\u30cd\u30af\u30c8\u306f\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u7bc0\u7d04\u3057\u3001CDN\u3084API\u3078\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3092\u524a\u6e1b\u3059\u308b\u3002 <strong>\u6642\u9593<\/strong> \u3082\u305f\u3089\u3059\u3002\u30d7\u30ea\u30ed\u30fc\u30c9\u306f\u672c\u5f53\u306b\u5fc5\u8981\u306a\u3082\u306e\u3060\u3051\u306b\u4f7f\u3046\u3002\u305d\u3046\u3067\u306a\u3044\u3068\u512a\u5148\u9806\u4f4d\u304c\u8584\u307e\u308a\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u30fc\u306f\u96c6\u4e2d\u529b\u3092\u5931\u3046\u3002\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u306f\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u304c\u6d41\u52d5\u7684\u306b\u898b\u3048\u308b\u3088\u3046\u306b\u3001\u6b21\u306e\u30da\u30fc\u30b8\u304c\u3042\u308a\u305d\u3046\u306a\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306b\u30d5\u30a3\u30fc\u30c9\u3059\u308b\u3002DNS\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u306f\u3001\u7121\u99c4\u306a\u30ea\u30be\u30eb\u30d0\u30fc\u30af\u30a8\u30ea\u3092\u751f\u6210\u3057\u3059\u304e\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u6df1\u304f\u4f7f\u3046\u3002\u79c1\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u80cc\u666f\u3068\u843d\u3068\u3057\u7a74\u3092\u30b3\u30f3\u30d1\u30af\u30c8\u306b\u307e\u3068\u3081\u308b\u306e\u304c\u597d\u304d\u3067\u3059\u3002 <a href=\"https:\/\/webhosting.de\/ja\/dns%e3%83%97%e3%83%aa%e3%83%95%e3%82%a7%e3%83%83%e3%83%81%e3%83%b3%e3%82%b0%e3%80%81%e3%83%97%e3%83%aa%e3%82%b3%e3%83%8d%e3%82%af%e3%83%88%e3%80%81%e3%83%ad%e3%83%bc%e3%83%89%e6%99%82%e9%96%93\/\">DNS\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\uff06\u30d7\u30ea\u30b3\u30cd\u30af\u30c8<\/a> \u3092\u30a8\u30f3\u30c8\u30ea\u30fc\u30fb\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u4f7f\u7528\u3057\u3001\u81ea\u5206\u306e\u30b9\u30bf\u30c3\u30af\u306b\u3042\u308b <strong>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/strong> \u672c\u5f53\u306b\u843d\u3061\u308b\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\/2026\/06\/devdesk_code_8743.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u983b\u767a\u3059\u308b\u30df\u30b9\u3092\u907f\u3051\u308b<\/h2>\n\n<ul>\n  <li>\u30d7\u30ea\u30ed\u30fc\u30c9\u304c\u591a\u3059\u304e\u308b\uff1a\u3059\u3079\u3066\u304c\u91cd\u8981\u306a\u3089\u3001\u4f55\u3082\u91cd\u8981\u3067\u306f\u306a\u3044\u3002\u79c1\u306f\u30d7\u30ea\u30ed\u30fc\u30c9\u3092CRP\u30a2\u30bb\u30c3\u30c8\u3068LCP\u30a4\u30e1\u30fc\u30b8\u306b\u9650\u5b9a\u3057\u3066\u3044\u308b\u3002.<\/li>\n  <li>\u9055\u3046 <code>\u3068\u3057\u3066<\/code>\/\u884c\u65b9\u4e0d\u660e <code>\u30af\u30ed\u30b9\u30aa\u30ea\u30b8\u30f3<\/code>\u4e0d\u6b63\u306a\u30bf\u30a4\u30d7\u3084CORS\u30ae\u30e3\u30c3\u30d7\u306f\u3001\u4e8c\u91cd\u30d5\u30a7\u30c3\u30c1\u3084\u7a7a\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002.<\/li>\n  <li>H2\/H3\u3067\u306e\u30c9\u30e1\u30a4\u30f3\u30fb\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\uff1a\u3088\u308a\u591a\u304f\u306e\u30db\u30b9\u30c8\u304c\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u5408\u4f53\u3092\u7834\u308a\u3001\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u306e\u5229\u76ca\u3092\u624b\u653e\u3059\u3002.<\/li>\n  <li>\u30e2\u30ce\u30ea\u30b7\u30c3\u30af\u30fb\u30d0\u30f3\u30c9\u30eb\uff1a\u5de8\u5927\u306aCSS\/JS\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3002\u30eb\u30fc\u30c8\u3084\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u5206\u5272\u3059\u308b\u3002.<\/li>\n  <li>CSS\u306e\u80cc\u666f\u3068\u3057\u3066\u306eLCP\uff1a\u80cc\u666f\u753b\u50cf\u306f\u512a\u5148\u9806\u4f4d\u304c\u3064\u3051\u306b\u304f\u3044\u3002LCP\u753b\u50cf\u306f <code>&lt;img&gt;<\/code> \u3092\u3082\u3063\u3066 <code>\u30d5\u30a7\u30c3\u30c1\u30d7\u30e9\u30a4\u30aa\u30ea\u30c6\u30a3<\/code> \u3092\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u3059\u308b\u3002.<\/li>\n  <li>\u30ec\u30a4\u30b8\u30fc\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u304c\u30a2\u30b0\u30ec\u30c3\u30b7\u30d6\u3059\u304e\u308b\uff1a\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u306e\u3057\u304d\u3044\u5024\u304c\u8fd1\u3059\u304e\u308b\u3068\u3001\u30c7\u30b3\u30fc\u30c9\u304c\u9045\u308c\u308b\u3002\u30c7\u30b3\u30fc\u30c0\u30fc\u306b\u5c11\u3057\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\u3092\u4e0e\u3048\u308b\u3002.<\/li>\n<\/ul>\n\n<h2>\u5b9f\u8df5\u7684\u30d7\u30ed\u30bb\u30b9\uff1a\u6e2c\u5b9a\u304b\u3089\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u307e\u3067<\/h2>\n\n<p>DevTools\u3068\u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\u30fb\u30c6\u30b9\u30c8\u306b\u3088\u3063\u3066\u3001\u969c\u5bb3\u3068\u306a\u308b\u3082\u306e\u3001\u512a\u5148\u9806\u4f4d\u3001\u5371\u967a\u3068\u306a\u308a\u3046\u308b\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u304c\u793a\u3055\u308c\u308b\u3002 <strong>\u30ec\u30f3\u30c0\u30fc<\/strong>-\u30b9\u30bf\u30fc\u30c8\u3002\u305d\u308c\u304b\u3089\u3001\u6700\u521d\u306e\u30d3\u30e5\u30fc\u3067\u672c\u5f53\u306b\u91cd\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u306e\u9806\u756a\u3092\u6307\u5b9a\u3059\u308b\u3002\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001HTTP\/2\u307e\u305f\u306fHTTP\/3\u3092\u6709\u52b9\u306b\u3057\u3066\u3001\u512a\u5148\u9806\u4f4d\u304c\u5230\u7740\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3002\u305d\u3057\u3066\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u3001CDN\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u512a\u5148\u9806\u4f4d\u306e\u30b7\u30b0\u30ca\u30eb\u3092\u5c0a\u91cd\u3057\u3001\u305d\u308c\u3092\u7121\u52b9\u306b\u3057\u306a\u3044\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u3002\u6700\u5f8c\u306b\u3001\u518d\u5ea6\u8a08\u6e2c\u3092\u884c\u3044\u3001LCP\u3001CLS\u3001TBT\u3092\u6bd4\u8f03\u3057\u3001\u5fae\u8abf\u6574\u3092\u884c\u3044\u3001\u5f90\u3005\u306b\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u3057\u3066\u3044\u304d\u3001\u6700\u7d42\u7684\u306b <strong>\u76ee\u6a19<\/strong> \u306b\u5b89\u5b9a\u7684\u306b\u5230\u9054\u3059\u308b\u3002.<\/p>\n\n<h2>\u8a08\u6e2c\u3092\u7814\u304e\u6f84\u307e\u3059\uff1a\u6edd\u3068\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf<\/h2>\n\n<p>DevTools\u306e\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u3067\u306f\u3001\u201e\u30a4\u30cb\u30b7\u30a8\u30fc\u30bf \u201c\u3068 \u201e\u512a\u5148\u5ea6 \u201c\u306e\u5217\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ea\u30bd\u30fc\u30b9\u306f\u3001\u65e9\u3044\u6bb5\u968e\u3067\u30ad\u30e5\u30fc\u306b\u5165\u308c\u3001\u9ad8\u3044\u512a\u5148\u5ea6\u3092\u4e0e\u3048\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ea\u30bd\u30fc\u30b9\u306f\u65e9\u3044\u6bb5\u968e\u3067\u30ad\u30e5\u30fc\u306b\u5165\u308c\u3089\u308c\u3001\u9ad8\u3044\u512a\u5148\u5ea6\u304c\u4e0e\u3048\u3089\u308c\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u30d7\u30ea\u30ed\u30fc\u30c9\u306f\u305d\u306e\u3088\u3046\u306b\u30de\u30fc\u30af\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u65e9\u3044\u6bb5\u968e\u3067\u306e\u30d2\u30f3\u30c8\u306f\u65e9\u3044\u6bb5\u968e\u3067\u306e\u63a5\u7d9a\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u308b\u3002\u79c1\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068CPU\u3092\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0\u3057\u3066\u30c6\u30b9\u30c8\u3057\u3066\u3044\u308b\u3002\u307e\u305f\u3001\u6700\u9069\u5316\u304c\u30ed\u30fc\u30ab\u30eb\u3067\u8f1d\u304f\u3060\u3051\u3067\u306a\u304f\u3001\u5b9f\u969b\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u3082\u5b9f\u3092\u7d50\u3076\u3088\u3046\u306b\u3001\u5408\u6210\u5b9f\u884c\u3068\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u3092\u6bd4\u8f03\u3059\u308b\u3002\u7121\u99c4\u306e\u306a\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4e88\u7b97\uff08LCP\u30b5\u30a4\u30ba\u3001JS KB\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u6570\uff09\u306f\u3001CI\u3067\u306e\u30ea\u30b0\u30ec\u30c3\u30b7\u30e7\u30f3\u304b\u3089\u79c1\u3092\u5b88\u3063\u3066\u304f\u308c\u308b\u3002.<\/p>\n\n<h2>\u30b5\u30fc\u30d3\u30b9\u30ef\u30fc\u30ab\u30fc\u3068\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306e\u30d7\u30ea\u30ed\u30fc\u30c9<\/h2>\n\n<p>\u30b5\u30fc\u30d3\u30b9\u30ef\u30fc\u30ab\u30fc\u306b\u3088\u3063\u3066\u30b9\u30bf\u30fc\u30c8\u304c\u9045\u304f\u306a\u308b\u3088\u3046\u306a\u3053\u3068\u304c\u3042\u3063\u3066\u306f\u306a\u3089\u306a\u3044\u3002\u79c1\u306f <em>\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30d7\u30ea\u30ed\u30fc\u30c9<\/em>, \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u304cSW\u306e\u30d6\u30fc\u30c8\u30b9\u30c8\u30e9\u30c3\u30d7\u3068\u4e26\u884c\u3057\u3066\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306b\u672c\u5f53\u306b\u5f79\u7acb\u3064\u5834\u5408\u306e\u307f\u3001\u30a2\u30d7\u30ea\u30b7\u30a7\u30eb\u3068\u3057\u3066\u521d\u671f\u30eb\u30fc\u30c8\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3002\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u3067\u306a\u3044\u30a2\u30bb\u30c3\u30c8\u306f \u201estale-while-revalidate \u201c\u3067\u30ea\u30ed\u30fc\u30c9\u3057\u3001\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u3084\u9045\u3044\u753b\u50cf\u306b\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u540c\u671f\u3092\u4f7f\u3046\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30e1\u30a4\u30f3\u30fb\u30b9\u30ec\u30c3\u30c9\u3092\u7a7a\u3051\u3089\u308c\u308b\u3002 <strong>\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8<\/strong> \u306e\u30ab\u30a6\u30f3\u30c8\u3067\u3042\u308b\u3002.<\/p>\n\n<h2>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u5f71\u97ff\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/h2>\n\n<p>\u512a\u308c\u305f\u30b9\u30bf\u30c3\u30af\u3053\u305d\u304c\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u3092\u52b9\u679c\u7684\u306b\u3059\u308b\u306e\u3067\u3001\u79c1\u306fHTTP\/2\u3084HTTP\/3\u306e\u30b5\u30dd\u30fc\u30c8\u3001\u6700\u9069\u5316\u3055\u308c\u305fTLS\u8a2d\u5b9a\u3001\u305d\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u9ad8\u3044 <strong>\u30b9\u30c8\u30ec\u30fc\u30b8<\/strong>. .NGINX\u307e\u305f\u306f\u304d\u308c\u3044\u306b\u69cb\u6210\u3055\u308c\u305f\u4ee3\u66ff\u306f\u3001\u52b9\u7387\u7684\u306a\u30ad\u30e5\u30fc\u3092\u4fdd\u8a3c\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306fTTFB\u3092\u524a\u6e1b\u3057\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3092\u7de9\u548c\u3057\u307e\u3059\u3002\u79c1\u306f\u3001\u6700\u65b0\u306eOpenSSL\/QUIC\u306e\u30d3\u30eb\u30c9\u3001\u9069\u5207\u306a\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3001\u901f\u5ea6\u3092\u843d\u3068\u3055\u305a\u306b\u8a08\u6e2c\u3092\u53ef\u80fd\u306b\u3059\u308b\u30ed\u30ae\u30f3\u30b0\u306b\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u307e\u3059\u3002\u30d7\u30e9\u30a4\u30aa\u30ea\u30c6\u30a3\u30fb\u30de\u30c3\u30d4\u30f3\u30b0\u3084\u30a8\u30c3\u30b8\u30fb\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306a\u3069\u306eCDN\u6a5f\u80fd\u306f\u3001\u7279\u306b\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u8996\u8074\u8005\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u57fa\u76e4\u304c\u306a\u3051\u308c\u3070\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u306e\u5bfe\u7b56\u306f\u7121\u306b\u5e30\u3057\u3066\u3057\u307e\u3046\u3002 <strong>\u5fdc\u7b54\u6642\u9593<\/strong> \u306f\u30e1\u30c8\u30ea\u30af\u30b9\u304c\u7d04\u675f\u3059\u308b\u3082\u306e\u3092\u63d0\u4f9b\u3059\u308b\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\/2026\/06\/seitenoptimierung-http-5491.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>CDN\u3068\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/h2>\n\n<p>\u512a\u5148\u9806\u4f4d\u304c\u78ba\u5b9f\u306b\u30e6\u30fc\u30b6\u30fc\u306b\u5c4a\u304f\u3088\u3046\u306b\u3001\u79c1\u306fOrigin\u3068CDN\u3092\u8abf\u548c\u3055\u305b\u3066\u3044\u308b\u3002 <code>\u512a\u5148\u9806\u4f4d<\/code>-\u30d8\u30c3\u30c0\u3092\u5c0a\u91cd\u3057\u3001\u65e9\u671f\u306e\u30d2\u30f3\u30c8\u3092\u4f1d\u3048\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30df\u30b9\u306e\u7dca\u6025\u6027\u3092\u8003\u616e\u3059\u308b\u3002\u79c1\u306fQUIC\u5b89\u5b9a\u7248\u3067HTTP\/3\u3092\u6709\u52b9\u306b\u3057\u3001\u305d\u308c\u3092 <code>\u30aa\u30eb\u30c8\u30b5\u30fc\u30d3\u30b9<\/code> \u305d\u3057\u3066\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u5408\u4f53\uff08\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\u9593\u3067\u540c\u3058\u8a3c\u660e\u66f8\/ALPN\uff09\u3092\u4fdd\u8a3c\u3059\u308b\u3002\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30fb\u30ec\u30a4\u30e4\u30fc\u3067\u306f\u3001\u9069\u5207\u306a\u8f3b\u8f33\u5236\u5fa1\uff08\u591a\u304f\u306e\u5834\u5408BBR\uff09\u3001\u9069\u5207\u306a\u521d\u671f\u8f3b\u8f33\u30a6\u30a3\u30f3\u30c9\u30a6\u30fb\u30b5\u30a4\u30ba\u3001\u304a\u3088\u3073\u30ea\u30bf\u30fc\u30ca\u30fc\u7528\u306eTLS\u518d\u958b\/0-RTT\u304c\u5f79\u7acb\u3064\u3002\u3053\u308c\u306b\u3088\u308a\u3001RTT\u304c\u7bc0\u7d04\u3055\u308c\u3001\u6700\u521d\u306e\u30d0\u30a4\u30c8\u304c\u9ad8\u901f\u5316\u3055\u308c\u3001\u512a\u5148\u3055\u308c\u305f\u30b9\u30c8\u30ea\u30fc \u30e0\u304c\u3088\u308a\u6709\u52b9\u306b\u306a\u308b\u3002.<\/p>\n\n<h2>\u30b3\u30a2\u30a6\u30a7\u30d6\u30fb\u30d0\u30a4\u30bf\u30eb\uff1a\u6e2c\u5b9a\u53ef\u80fd\u306a\u5229\u76ca<\/h2>\n\n<p>\u30af\u30ea\u30fc\u30f3\u306aHTTP\u306e\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u3067\u306f\u3001\u76ee\u306b\u898b\u3048\u308b\u6700\u5927\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u3088\u308a\u65e9\u304f\u30ed\u30fc\u30c9\u3055\u308c\u3001\u30ec\u30f3\u30c0\u30fc\u30d6\u30ed\u30c3\u30ab\u30fc\u304c\u3088\u308a\u77ed\u3044\u6642\u9593\u3067\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001LCP\u304c\u4f4e\u4e0b\u3059\u308b\u3002 <strong>\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8<\/strong> \u307b\u3093\u306e\u6570\u56de\u306e\u8abf\u6574\u3067\u30d5\u30a9\u30f3\u30c8\u3084\u753b\u50cf\u304c\u6574\u7136\u3068\u5230\u7740\u3057\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30b8\u30e3\u30f3\u30d7\u304c\u56de\u907f\u3055\u308c\u308b\u3068\u3001CLS\u306f\u843d\u3061\u7740\u3044\u305f\u72b6\u614b\u3092\u4fdd\u3064\u3002TBT\u3068TTI\u306f\u3001\u91cd\u3044JS\u304c\u5206\u5272\u3055\u308c\u3001\u30a2\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304c\u30d5\u30ea\u30fc\u306b\u306a\u308b\u3068\u3059\u3050\u306b\u4f4e\u4e0b\u3059\u308b\u3002\u5b9f\u969b\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u306f\u3001\u6700\u521d\u306e\u5165\u529b\u307e\u3067\u306e\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u3001\u6700\u521d\u306e\u30b8\u30a7\u30b9\u30c1\u30e3\u30fc\u3067\u306e\u304e\u3053\u3061\u306a\u3055\u304c\u8efd\u6e1b\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u52b9\u679c\u306f\u3001\u512a\u5148\u9806\u4f4d\u3068\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u304c\u76f8\u4e92\u4f5c\u7528\u3057\u3066 <strong>\u8ca0\u8377<\/strong> \u30b9\u30bf\u30fc\u30c8\u30fb\u30a6\u30a4\u30f3\u30c9\u30a6\u304b\u3089\u3002.<\/p>\n\n<h2>\u6c34\u5206\u88dc\u7d66\u3068\u5cf6\u5efa\u7bc9<\/h2>\n\n<p>SPA\u306e\u5834\u5408\u3001\u79c1\u306f\u53ef\u8996\u6027\u3068\u5229\u76ca\u306b\u5fdc\u3058\u3066\u6c34\u5206\u88dc\u7d66\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u305a\u3089\u3059\uff1a\u6700\u521d\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306eUI\u30a2\u30a4\u30e9\u30f3\u30c9\u3092\u6700\u521d\u306b\u30cf\u30a4\u30c9\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u3001\u6df1\u3044\u30eb\u30fc\u30c8\u306f\u5f8c\u306b\u3059\u308b\u3002. <code>\u6301\u3061\u8d8a\u3059<\/code> \u305d\u3057\u3066\u30c0\u30a4\u30ca\u30df\u30c3\u30af <code>\u30a4\u30f3\u30dd\u30fc\u30c8<\/code>-\u3067\u306fTBT\u306e\u65b9\u304c\u4f4e\u3044\u3002 <code>\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9.postTask<\/code> (\u5229\u7528\u53ef\u80fd\u306a\u5834\u5408) \u201e\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9 \u201c\u4f5c\u696d\u306e\u524d\u306b \u201e\u30e6\u30fc\u30b6\u30fc\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b \u201c\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002HTML\u3068CSS\u306f\u63cf\u753b\u3055\u308c\u3001LCP\u753b\u50cf\u306f\u7d20\u65e9\u304f\u5230\u7740\u3057\u3001JavaScript\u306f\u30e6\u30fc\u30b6\u30fc\u304c\u6c17\u3065\u304f\u3068\u3053\u308d\u3060\u3051\u306b\u4ecb\u5165\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u6700\u5f8c\u306b\u601d\u3046\u3053\u3068\uff1a\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u308b\u3068\u5831\u308f\u308c\u308b<\/h2>\n\n<p>\u79c1\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u7b2c\u4e00\u5370\u8c61\u306b\u5f79\u7acb\u3064\u3088\u3046\u306b\u53b3\u5bc6\u306b\u6574\u7406\u3057\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u6a5f\u80fd\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30b7\u30b0\u30ca\u30eb\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30d2\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u76ee\u306b\u898b\u3048\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u6700\u521d\u306b\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002 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