{"id":57302,"date":"2024-05-16T19:47:06","date_gmt":"2024-05-16T10:47:06","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=57302&#038;preview=true&#038;preview_id=57302"},"modified":"2024-05-17T19:30:49","modified_gmt":"2024-05-17T10:30:49","slug":"speculative-loading","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/speculative-loading\/","title":{"rendered":"\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f\u3067WordPress\u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u8868\u793a\u901f\u5ea6\u3092\u6539\u5584"},"content":{"rendered":"<p>\u4eca\u65e5\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u5411\u4e0a\u3092\u76ee\u7684\u3068\u3057\u305f\u753b\u50cf\u3084\u52d5\u753b\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u8981\u7d20\u304c\u76db\u308a\u8fbc\u307e\u308c\u3066\u3044\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u8981\u7d20\u304c\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u3092\u9045\u304f\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6280\u8853\u304c\u3069\u308c\u307b\u3069\u9032\u6b69\u3057\u3066\u3082\u3001<a href=\"https:\/\/kinsta.com\/jp\/learn\/speed-up-wordpress\/\">\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u306e\u9ad8\u901f\u5316<\/a>\u306f\u5e38\u306b\u91cd\u8981\u8996\u3055\u308c\u308b\u3082\u306e\u3002<\/p>\n<p>\u3053\u308c\u3092\u6539\u5584\u3059\u308b1\u3064\u306e\u65b9\u6cd5\u3068\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30da\u30fc\u30b8\u306b\u79fb\u52d5\u3059\u308b\u524d\u306b\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u307e\u305f\u306f\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<h2>\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u6b74\u53f2<\/h2>\n<p>2011\u5e74\u3001Chromium\u304c<code>&lt;link rel=\"prerender\" \u2026 &gt;<\/code>\u30bf\u30b0\u3092\u901a\u3058\u3066\u3001Google Chrome\u306b<a href=\"https:\/\/blog.chromium.org\/2011\/06\/prerendering-in-chrome.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u521d\u671f\u578b\u3068\u306a\u308b\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/a>\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/types-of-developers\/\">\u958b\u767a\u8005<\/a>\u306f\u30e6\u30fc\u30b6\u30fc\u304c\u6b21\u306b\u8a2a\u308c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30da\u30fc\u30b8\u3092<a href=\"https:\/\/kinsta.com\/jp\/blog\/most-secure-browser\/\">\u30d6\u30e9\u30a6\u30b6<\/a>\u306b\u63d0\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u3002\u30d6\u30e9\u30a6\u30b6\u304c\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u3053\u308c\u3089\u306e\u30da\u30fc\u30b8\u3092\u53d6\u5f97\u3057\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5b9f\u969b\u306b\u79fb\u52d5\u3059\u308b\u969b\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u5287\u7684\u306b\u77ed\u7e2e\u3057\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3053\u306e\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u5b9f\u88c5\u306f\u3001\u591a\u304f\u306e\u5e2f\u57df\u5e45\u3068CPU\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30da\u30fc\u30b8\u306b\u8a2a\u554f\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306f\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u6050\u308c\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u30ea\u30f3\u30af\u306f\u624b\u52d5\u3067\u9078\u629e\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u5fc5\u305a\u3057\u3082\u52b9\u679c\u7684\u3067\u5b9f\u73fe\u53ef\u80fd\u306a\u3082\u306e\u3067\u306f\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u3001Chrome\u306flink\u8981\u7d20\u306e<code>rel=prerender<\/code>\u5c5e\u6027\u3092\u4f7f\u7528\u3057\u305f\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u975e\u63a8\u5968\u3068\u3057\u3001\u4ee3\u308f\u308a\u306b<a href=\"https:\/\/developer.chrome.com\/blog\/nostate-prefetch\" target=\"_blank\" rel=\"noopener noreferrer\">NoState Prefetch<\/a>\u3092\u63a1\u7528\u3057\u307e\u3057\u305f\u3002NoState Prefetch\u306f\u3001JavaScript \u3084\u305d\u306e\u4ed6\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u4fb5\u5bb3\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u305b\u305a\u306b\u3001\u30da\u30fc\u30b8\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53d6\u5f97\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u3063\u3066\u30ea\u30bd\u30fc\u30b9\u306e\u8aad\u307f\u8fbc\u307f\u306f\u6539\u5584\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u3088\u3046\u306b\u5373\u5ea7\u306b\u30da\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<h2>Speculation Rules API\u3068\u306f<\/h2>\n<p><a href=\"https:\/\/developer.chrome.com\/docs\/web-platform\/prerender-pages#speculation-rules-api\" target=\"_blank\" rel=\"noopener noreferrer\">Speculation Rules API<\/a>\u306f\u5b9f\u9a13\u7684\u306aJSON\u5b9a\u7fa9\u306eAPI\u3067\u3001\u30ca\u30d3\u30b2\u30fc\u30c8\u3059\u308b\u524d\u306bURL\u3092\u6295\u6a5f\u7684\u306b\u4e8b\u524d\u306b\u8aad\u307f\u8fbc\u307f\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u306e\u77ed\u7e2e\u3068\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u6539\u5584\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306eAPI\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001<code>script type=\"speculationrules\"<\/code>\u5185\u3067JSON\u5f62\u5f0f\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u69cb\u9020\u3092\u6301\u3064\u30eb\u30fc\u30eb\u3092\u8a2d\u5b9a\u3067\u304d\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u3053\u306e\u30eb\u30fc\u30eb\u3092\u3082\u3068\u306b\u6307\u5b9a\u3055\u308c\u305fURL\u3092\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;script type=\"speculationrules\"&gt;\n{\n  \"prerender\": [\n    {\n      \"source\": \"list\",\n      \"urls\": [\"firstpage.html\", \"secondpage.html\"]\n    }\n  ]\n}\n&lt;\/script&gt;<\/code><\/pre>\n<p>\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3082\u540c\u69d8\u3067\u3001\u901a\u5e38\u306f\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u524d\u306b\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;script type=\"speculationrules\"&gt;\n{\n  \"prefetch\": [\n    {\n      \"urls\": [\"firstpage.html\", \"secondpage.html\"]\n    }\n  ]\n}\n&lt;\/script&gt;<\/code><\/pre>\n<p>\u4e0a\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u307e\u305f\u306f\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308bURL\u306e\u30ea\u30b9\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001Speculation Rules API\u304c\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u304b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Google\u306f\u6700\u8fd1\u3001<a href=\"https:\/\/developer.chrome.com\/blog\/speculation-rules-improvements\" target=\"_blank\" rel=\"noopener noreferrer\">Speculation Rules API\u306b\u65b0\u305f\u306a\u6539\u826f\u3092\u52a0\u3048<\/a>\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30eb\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u305f\u81ea\u52d5\u30ea\u30f3\u30af\u691c\u7d22\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001<code>where<\/code>\u306e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304b\u3089URL\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;script type=\"speculationrules\"&gt;\n{\n  \"prerender\": [\n    {\n      \"source\": \"document\",\n      \"where\": {\n        \"and\": [\n          {\n            \"href_matches\": \"\/*\"\n          },\n          {\n            \"not\": {\n              \"href_matches\": [\n                \"\/wp-login.php\",\n                \"\/wp-admin\/*\"\n              ]\n            }\n          }\n        ]\n      },\n      \"eagerness\": \"moderate\"\n    }\n  ]\n}\n&lt;\/script&gt;<\/code><\/pre>\n<p>\u4e0a\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-login-url\/\">WordPress\u306e\u30ed\u30b0\u30a4\u30f3\u753b\u9762<\/a>\u304a\u3088\u3073\u7ba1\u7406\u753b\u9762\u3092\u9664\u3044\u3066\u3001\u30da\u30fc\u30b8\u4e0a\u306e\u3059\u3079\u3066\u306eURL\u304c\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u5bfe\u8c61\u3068\u898b\u306a\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001<code>eagerness<\/code>\u8a2d\u5b9a\u306f<code>eager<\/code>\uff08\u5373\u6642\uff09\u3001<code>moderate<\/code>\uff08200\u30df\u30ea\u79d2\u306e\u30db\u30d0\u30fc\u6642\uff09\u3001<code>conservative<\/code>\uff08\u30de\u30a6\u30b9\u307e\u305f\u306f\u30bf\u30c3\u30d7\u6642\uff09\u306e\u3044\u305a\u308c\u304b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u73fe\u5728\u306e\u30da\u30fc\u30b8\u4e0a\u306e\u30ea\u30f3\u30af\u3092\u898b\u3064\u3051\u308b\u305f\u3081\u306b\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/css-best-practices\/\">CSS<\/a>\u30bb\u30ec\u30af\u30bf\u3092<code>hrefs<\/code>\u5c5e\u6027\u4e00\u81f4\u306e\u4ee3\u66ff\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u304b\u3001\u307e\u305f\u306f\u4f75\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;script type=\"speculationrules\"&gt;\n{\n  \"prerender\": [{\n    \"source\": \"document\",\n    \"where\": {\n      \"and\": [\n        { \"selector_matches\": \".prerender\" },\n        { \"not\": {\"selector_matches\": \".do-not-prerender\"}}\n      ]\n    },\n    \"eagerness\": \"moderate\"\n  }]\n}\n&lt;\/script&gt;<\/code><\/pre>\n<p>Speculation Rules API\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30da\u30fc\u30b8\u3092\u691c\u8a3c\u3059\u308b\u969b\u3001Chrome\u306e\u300c<strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong>\u300d\u30bf\u30d6\u306e\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b5\u30fc\u30d3\u30b9\u300c<strong>\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f<\/strong>\u300d\u3092\u4f7f\u3063\u3066\u3053\u306eAPI\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/inspect-speculation-rules.png\" alt=\"Chrome\u306e\u300c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u300d\u30bf\u30d6\u306e\u300c\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f\u300d\u3067Speculation Rules API\u3092\u691c\u8a3c\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Chrome\u306e\u300c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u300d\u30bf\u30d6\u306e\u300c\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f\u300d\u3067Speculation Rules API\u3092\u691c\u8a3c<\/figcaption><\/figure>\n<p>\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u3001\u5f8c\u307b\u3069\u300cWordPress\u30b5\u30a4\u30c8\u306e\u6295\u6a5f\u30eb\u30fc\u30eb\u3092\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u6398\u308a\u4e0b\u3052\u307e\u3059\u3002<\/p>\n<h3>\u30d6\u30e9\u30a6\u30b6\u306e\u30b5\u30dd\u30fc\u30c8<\/h3>\n<p><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Speculation_Rules_API\" target=\"_blank\" rel=\"noopener noreferrer\">Speculation Rules API<\/a>\u306f\u3001\u7279\u5b9a\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u4ee5\u964d\u3001Chrome\u3084Edge\u3092\u542b\u3080<a href=\"https:\/\/kinsta.com\/jp\/browser-market-share\/\">\u6700\u65b0\u306eChromium\u30d9\u30fc\u30b9\u306e\u30d6\u30e9\u30a6\u30b6<\/a>\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/browser-support.png\" alt=\"Speculation Rules API\u306e\u30d6\u30e9\u30a6\u30b6\u30b5\u30dd\u30fc\u30c8\uff08\u51fa\u5178\uff1aMozilla\uff09\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Speculation Rules API\u306e\u30d6\u30e9\u30a6\u30b6\u30b5\u30dd\u30fc\u30c8\uff08\u51fa\u5178\uff1a<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Speculation_Rules_API#browser_compatibility\" target=\"_blank\" rel=\"noopener noreferrer\">Mozilla<\/a>\uff09<\/figcaption><\/figure>\n<p>\u3053\u306eAPI\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u3001\u8aad\u307f\u8fbc\u307f\u6642\u9593\u77ed\u7e2e\u306e\u6069\u6075\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001API\u306f\u3042\u304f\u307e\u3067\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30a8\u30f3\u30cf\u30f3\u30b9\u30e1\u30f3\u30c8\u306a\u30c4\u30fc\u30eb\u3067\u3042\u308b\u305f\u3081\u3001\u305d\u306e\u4ed6\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u5229\u7528\u8005\u304c\u60aa\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>Speculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3<\/h2>\n<p>Speculation Rules API\u3092WordPress\u30b5\u30a4\u30c8\u306b\u5c0e\u5165\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3079\u304f\u3001<a href=\"https:\/\/make.wordpress.org\/performance\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30fc\u30e0<\/a>\uff08Google\u306e\u958b\u767a\u8005\u3092\u542b\u3080\uff09\u306f\u6700\u8fd1\u3001<a href=\"https:\/\/wordpress.org\/plugins\/speculation-rules\/\" target=\"_blank\" rel=\"noopener noreferrer\">Speculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3<\/a>\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u3001\u30da\u30fc\u30b8\u4e0a\u3067\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u308b\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9URL\u306e\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u73fe\u5728API\u304c\u307e\u3060\u521d\u671f\u6bb5\u968e\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u666e\u53ca\u7387\u306f\u307e\u3060\u4f4e\u3044\u3067\u3059\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u9ad8\u3044\u8a55\u4fa1\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/review-speculative-loading.png\" alt=\"Speculative Loading\u306e\u30e6\u30fc\u30b6\u30fc\u30ec\u30d3\u30e5\u30fc\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Speculative Loading\u306e\u30e6\u30fc\u30b6\u30fc\u30ec\u30d3\u30e5\u30fc<\/figcaption><\/figure>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u95a2\u9023\u3059\u308b\u30ea\u30f3\u30af\u306b\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u3092\u5408\u308f\u305b\u305f\u969b\u306b\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306eURL\u3092\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u300c<strong>\u8a2d\u5b9a<\/strong>\u300d\uff1e\u300c<strong>\u8868\u793a\u8a2d\u5b9a<\/strong>\u300d\u306b\u3042\u308b\u300c<strong>Speculative Loading<\/strong>\uff08\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f\uff09\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u5909\u66f4\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/customize-plugin.png\" alt=\"WordPress\u7ba1\u7406\u753b\u9762\u3067Speculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">WordPress\u7ba1\u7406\u753b\u9762\u3067Speculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8a2d\u5b9a\u3092\u5909\u66f4<\/figcaption><\/figure>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e<code>Eagerness<\/code>\u8a2d\u5b9a\u306f\u3001\u901a\u5e38\u30da\u30fc\u30b8\u4e0a\u306e\u30ea\u30f3\u30af\u306b\u30ab\u30fc\u30bd\u30eb\u3092\u5408\u308f\u305b\u305f\u969b\u306b\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u308b<code>Moderate<\/code>\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u57fa\u672c\u7684\u306b\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u5316\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\u3002<\/p>\n<p>WordPress\u30b5\u30a4\u30c8\u306bSpeculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u3059\u3067\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/courses\/speed-up-wordpress\/using-chrome-developer-tools\/\">Chrome \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb<\/a>\u3067\u30b5\u30a4\u30c8\u3092\u691c\u8a3c\u3057\u3001\u300c<strong>\u8981\u7d20<\/strong>\u300d\u30bf\u30d6\u3092\u958b\u304d\u307e\u3059\u3002\u4e0b\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b\u3068\u3001<code>script type=\"speculationrules\"<\/code>\u306b\u3055\u307e\u3056\u307e\u306a\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f\u306e\u30eb\u30fc\u30eb\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/auto-speculative-rules.png\" alt=\"WordPress\u30b5\u30a4\u30c8\u3092\u691c\u8a3c\u3057\u3066\u3001Speculative Loading\u306b\u3088\u3063\u3066\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f\u30eb\u30fc\u30eb\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">WordPress\u30b5\u30a4\u30c8\u3092\u691c\u8a3c\u3057\u3066\u3001Speculative Loading\u306b\u3088\u3063\u3066\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f\u30eb\u30fc\u30eb\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/figcaption><\/figure>\n<p>\u3053\u308c\u3089\u306e\u30eb\u30fc\u30eb\u306f\u3001\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u884c\u3046\u3001\u307e\u305f\u306f\u884c\u308f\u306a\u3044\u30ea\u30f3\u30af\u306e\u6307\u5b9a\u3001Ergerness\u8a2d\u5b9a\u306b\u6b63\u898f\u8868\u73fe\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u3001\u3053\u308c\u3089\u306e\u30eb\u30fc\u30eb\u3092\u6398\u308a\u4e0b\u3052\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>\u904e\u5270\u4f7f\u7528\u3092\u9632\u3050\u305f\u3081\u306e\u5236\u9650<\/h3>\n<p>Chrome\u3067\u306f\u3001API\u306e\u904e\u5270\u4f7f\u7528\u3092\u9632\u3050\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5236\u9650\u3092\u8a2d\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"1\" rowspan=\"1\"><strong>Eagerness<\/strong><\/td>\n<td colspan=\"1\" rowspan=\"1\"><strong>\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1<\/strong>\uff08\u30da\u30fc\u30b8\u6570\uff09<\/td>\n<td colspan=\"1\" rowspan=\"1\"><strong>\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/strong>\uff08\u30da\u30fc\u30b8\u6570\uff09<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">immediate\/eager<\/td>\n<td colspan=\"1\" rowspan=\"1\">50<\/td>\n<td colspan=\"1\" rowspan=\"1\">10<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">moderate\/conservative<\/td>\n<td colspan=\"1\" rowspan=\"1\">2 (FIFO)<\/td>\n<td colspan=\"1\" rowspan=\"1\">2 (FIFO)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Eagerness\u3084\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306b\u57fa\u3065\u3044\u305f\u69d8\u3005\u306a\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u904e\u5270\u4f7f\u7528\u3092\u9632\u6b62\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><code>immediate<\/code>\u304a\u3088\u3073<code>eager<\/code>\uff1a\u30e6\u30fc\u30b6\u30fc\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u4f9d\u5b58\u3057\u306a\u3044\u3053\u3068\u304b\u3089\u3001\u3088\u308a\u53b3\u3057\u3044\u5236\u9650\u304c\u3042\u308b\u3002\u53e4\u304f\u306a\u3063\u305f\u6295\u6a5f\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u3067\u3001\u52d5\u7684\u306a\u5bb9\u91cf\u8abf\u6574\u304c\u53ef\u80fd\u3002<\/li>\n<li><code>moderate<\/code>\u304a\u3088\u3073<code>conservative<\/code>\uff1a\u30e6\u30fc\u30b6\u30fc\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u30c8\u30ea\u30ac\u30fc\u306b\u306a\u308b\u305f\u3081\u3001<a href=\"https:\/\/en.wikipedia.org\/wiki\/FIFO_(computing_and_electronics)\" target=\"_blank\" rel=\"noopener noreferrer\">FIFO\uff08First In, First Out\uff09<\/a>\u306e\u539f\u5247\u306b\u5f93\u3044\u3001\u30da\u30fc\u30b8\u6570\u306f2\u306b\u5236\u9650\u3055\u308c\u308b\u3002\u300cFirst In, First Out\u300d\u306f\u300c\u5148\u5165\u308c\u5148\u51fa\u3057\u300d\u306e\u539f\u5247\u3067\u3042\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u3092\u4e88\u6e2c\u3057\u3066\u30da\u30fc\u30b8\u3092\u4e8b\u524d\u306b\u8aad\u307f\u8fbc\u3080\u969b\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u624b\u6cd5\u306e1\u3064\u3002<\/li>\n<\/ul>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/fifo-rules.gif\" alt=\"Eagerness\u8a2d\u5b9a\u304cmoderate\u306e\u5834\u5408\u306e\u4e0a\u9650\u306fFIFO\u306b\u5f93\u30442\u30da\u30fc\u30b8\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Eagerness\u8a2d\u5b9a\u304cmoderate\u306e\u5834\u5408\u306e\u4e0a\u9650\u306fFIFO\u306b\u5f93\u30442\u30da\u30fc\u30b8<\/figcaption><\/figure>\n<h3>\u7279\u5b9a\u306eURL\u306e\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3068\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u9632\u3050<\/h3>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-admin\/\">WordPress\u7ba1\u7406\u753b\u9762<\/a>\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u304b\u3089\u9664\u5916\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/hire-wordpress-developer\/\">WordPress\u958b\u767a\u8005<\/a>\u306f\u3001<code>plsr_speculation_rules_href_exclude_paths<\/code>\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u3063\u3066\u3001URL\u3092\u512a\u5148\u7684\u306b\u4e8b\u524d\u8aad\u307f\u8fbc\u307f\u3059\u308bURL\u306e\u7a2e\u985e\u3092\u6c7a\u3081\u308b\u30eb\u30fc\u30eb\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001<code>https:\/\/wordpresssite.com\/cart\/<\/code>\u3084<code>https:\/\/wordpresssite.com\/cart\/book\/<\/code>\u306e\u3088\u3046\u306aURL\u304c\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3084\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304b\u3089\u9664\u5916\u3055\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u30b3\u30fc\u30c9\u4f8b\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-php\">&lt;?php\n \nadd_filter(\n    'plsr_speculation_rules_href_exclude_paths',\n    function ( $exclude_paths ) {\n        $exclude_paths[] = '\/cart\/*';\n        return $exclude_paths;\n    }\n);<\/code><\/pre>\n<p>\u307e\u305f\u6642\u306b\u306f\u3001\u7279\u5b9a\u306eURL\u3092\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304b\u3089\u9664\u5916\u3057\u3066\u3001\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u306f\u8a31\u53ef\u3057\u305f\u3044\u3068\u3044\u3046\u5834\u5408\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\uff08\u30e6\u30fc\u30b6\u30fc\u306e\u72b6\u614b\u3092\u66f4\u65b0\u3059\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-javascript\/\">JavaScript<\/a>\u3092\u542b\u3080\u30da\u30fc\u30b8\u306a\u3069\uff09\u3002<\/p>\n<p><code>plsr_speculation_rules_href_exclude_paths<\/code>\u30d5\u30a3\u30eb\u30bf\u30fc\u306f\u3001\u73fe\u5728\u306e\u8a2d\u5b9a\uff08<code>prefetch<\/code>\u304b<code>prerender<\/code>\u306e\u3044\u305a\u308c\u304b\uff09\u3092\u53d7\u3051\u53d6\u308a\u3001\u6761\u4ef6\u4ed8\u304d\u9664\u5916\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001<code>https:\/\/wordpresssite.com\/products\/<\/code>\u306e\u3088\u3046\u306aURL\u3092\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u5bfe\u8c61\u304b\u3089\u9664\u5916\u3057\u3066\u3001\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3092\u884c\u3046\u3088\u3046\u306b\u3059\u308b\u30b3\u30fc\u30c9\u4f8b\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-php\">&lt;?php\n\nadd_filter(\n    'plsr_speculation_rules_href_exclude_paths',\n    function ( array $exclude_paths, string $mode ): array {\n        if ( 'prerender' === $mode ) {\n            $exclude_paths[] = '\/products\/*';\n        }\n        return $exclude_paths;\n    }\n);<\/code><\/pre>\n<h2>WordPress\u30b5\u30a4\u30c8\u306e\u6295\u6a5f\u30eb\u30fc\u30eb\u3092\u30c7\u30d0\u30c3\u30b0\u3059\u308b<\/h2>\n<p>\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30da\u30fc\u30b8\u306f\u3001\u5225\u306e\u30ec\u30f3\u30c0\u30e9\u30fc\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u305f\u3081\u3001\u6295\u6a5f\u30eb\u30fc\u30eb\u306e\u30c7\u30d0\u30c3\u30b0\u306f\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3001Chrome\u306f\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u306e\u6a5f\u80fd\u3092\u66f4\u65b0\u3057\u3066\u3001\u30c7\u30d0\u30c3\u30b0\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Chrome \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u306e\u300c<strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong>\u300d\u30bf\u30d6\u3092\u958b\u304d\u3001\u300c<strong>\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f<\/strong>\u300d\u307e\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u307e\u3059\u3002\u6295\u6a5f\u8aad\u307f\u8fbc\u307f\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u3084\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305fURL\u3001\u5931\u6557\u3057\u305fURL\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/debug-speculation-rules.png\" alt=\"Chrome \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u3067\u6295\u6a5f\u30eb\u30fc\u30eb\u3092\u30c7\u30d0\u30c3\u30b0\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Chrome \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u3067\u6295\u6a5f\u30eb\u30fc\u30eb\u3092\u30c7\u30d0\u30c3\u30b0<\/figcaption><\/figure>\n<p>\u4ee5\u4e0b\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u306f\u3001\u6295\u6a5f\u30eb\u30fc\u30eb\u306eJSON\u3067\u8a2d\u5b9a\u3055\u308c\u305f\u30eb\u30fc\u30eb\u306b\u4e00\u81f4\u3059\u308bURL\u306b\u57fa\u3065\u3044\u3066\u3001\u30da\u30fc\u30b8\u4e0a\u306e5\u3064\u306e\u30ea\u30f3\u30af\u304c\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3059\u3079\u3066\u306eURL\u3092\u5217\u6319\u3059\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30eb\u30fc\u30eb\u306b\u3088\u308a\u3001\u30da\u30fc\u30b8\u4e0a\u306e\u540c\u3058\u30aa\u30ea\u30b8\u30f3\u306e\u30ea\u30f3\u30af\u304b\u3089\u3053\u308c\u3089\u306eURL\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/chrome-devtool.png\" alt=\"Chrome \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u306b\u306f\u30b5\u30a4\u30c8\u306e\u69d8\u3005\u306a\u30ea\u30f3\u30af\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u3001\u30ea\u30f3\u30af\u304c\u3044\u3064\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u307e\u305f\u306f\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u304b\u3092\u78ba\u8a8d\u3067\u304d\u308b\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Chrome \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u306b\u306f\u30b5\u30a4\u30c8\u306e\u69d8\u3005\u306a\u30ea\u30f3\u30af\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u3001\u30ea\u30f3\u30af\u304c\u3044\u3064\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u307e\u305f\u306f\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u304b\u3092\u78ba\u8a8d\u3067\u304d\u308b<\/figcaption><\/figure>\n<p>\u3044\u304f\u3064\u304b\u306e\u30ea\u30f3\u30af\u306e\u300c<strong>\u30b9\u30c6\u30fc\u30bf\u30b9<\/strong>\u300d\u306f\u3001\u300c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u3066\u3044\u307e\u305b\u3093\uff08Not triggered\uff09\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u304a\u308a\u3001\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u958b\u59cb\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u30da\u30fc\u30b8\u4e0a\u306e\u30ea\u30f3\u30af\u306b\u30ab\u30fc\u30bd\u30eb\u3092\u5408\u308f\u305b\u308b\u3068\u3001\u5404URL\u304c\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n<p>Chrome\u306f\u30d7\u30ea\u30ec\u30f3\u30c0\u30fc\u306b\u5236\u9650\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u308a\u3001<code>moderate<\/code>\u306e\u5834\u5408\u306f\u6700\u59272\u56de\u307e\u3067\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u30013\u3064\u76ee\u306e\u30ea\u30f3\u30af\u306b\u30ab\u30fc\u30bd\u30eb\u3092\u5408\u308f\u305b\u308b\u3068\u5931\u6557\u3057\u3001\u305d\u306e\u7406\u7531\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/fifo-effect.png\" alt=\"2\u3064\u306e\u30ea\u30f3\u30af\u306b\u30ab\u30fc\u30bd\u30eb\u3092\u7f6e\u304f\u3068FIFO\u304c\u6709\u52b9\u306b\u306a\u308b\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">2\u3064\u306e\u30ea\u30f3\u30af\u306b\u30ab\u30fc\u30bd\u30eb\u3092\u7f6e\u304f\u3068FIFO\u304c\u6709\u52b9\u306b\u306a\u308b<\/figcaption><\/figure>\n<p>\u307e\u305f\u3001\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u3067\u4f7f\u7528\u3059\u308b\u30ec\u30f3\u30c0\u30e9\u30fc\u306f\u3001\u53f3\u4e0a\u306e\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u3001\u307e\u305f\u306f\u30d1\u30cd\u30eb\u4e0a\u90e8\u3067URL\u3092\u9078\u629e\u3057\u3001\u300c<strong>\u691c\u8a3c<\/strong>\u300d\u3092\u9078\u629e\u3059\u308b\u3068\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/inspect-prerendered-page.png\" alt=\"Chrome \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u3067\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30da\u30fc\u30b8\u3092\u691c\u8a3c\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Chrome \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u3067\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30da\u30fc\u30b8\u3092\u691c\u8a3c<\/figcaption><\/figure>\n<p>\u3053\u306e\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\uff08\u304a\u3088\u3073\u9078\u629e\u3055\u308c\u305f\u5024\uff09\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3055\u308c\u305f\u30da\u30fc\u30b8\u304c\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3067\u304d\u308b\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u300d\u30bf\u30d6\u306a\u3069\u3001\u3059\u3079\u3066\u306e\u30bf\u30d6\u3067\u5171\u6709\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/network-prerendered.png\" alt=\"\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6e08\u307f\u30da\u30fc\u30b8\u306e\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\u30bf\u30d6\u306b\u306f\u3001\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u308b\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6e08\u307f\u30da\u30fc\u30b8\u306e\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\u30bf\u30d6\u306b\u306f\u3001\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u8868\u793a\u3055\u308c\u308b<\/figcaption><\/figure>\n<p>\u300c<strong>\u8981\u7d20<\/strong>\u300d\u30bf\u30d6\u3067\u306f\u3001\u30da\u30fc\u30b8\u306e\u5185\u5bb9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/element-prerendered.png\" alt=\"\u300c\u8981\u7d20\u300d\u30bf\u30d6\u306b\u306f\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30da\u30fc\u30b8\u306eHTML\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8868\u793a\u3055\u308c\u308b\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">\u300c\u8981\u7d20\u300d\u30bf\u30d6\u306b\u306f\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30da\u30fc\u30b8\u306eHTML\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8868\u793a\u3055\u308c\u308b<\/figcaption><\/figure>\n<p>\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30da\u30fc\u30b8\u3092\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u305f\u3081\u3001\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u306f\u3001Speculative loading\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u8a2d\u5b9a\u300c<strong>Speculation Mode<\/strong>\uff08\u6295\u6a5f\u30e2\u30fc\u30c9\uff09\u300d\u3067\u300c<strong>Prefetch<\/strong>\u300d\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/prefetch-speculative-loading.png\" alt=\"Speculative Loading\u306e\u8a2d\u5b9a\u3092\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304b\u3089\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u306b\u5909\u66f4\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Speculative Loading\u306e\u8a2d\u5b9a\u3092\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304b\u3089\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u306b\u5909\u66f4<\/figcaption><\/figure>\n<p>\u3053\u308c\u3067\u3001\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u3067\u30da\u30fc\u30b8\u3092\u691c\u8a3c\u3057\u3001\u300c<strong>\u6295\u6a5f\u8aad\u307f\u8fbc\u307f<\/strong>\u300d\u306b\u79fb\u52d5\u3059\u308b\u3068\u3001\u3055\u307e\u3056\u307e\u306aURL\u306e\u300c<strong>\u30a2\u30af\u30b7\u30e7\u30f3<\/strong>\u300d\u304c\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u306b\u306a\u308a\u3001\u30eb\u30fc\u30eb\u3082\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/prefetched-links.png\" alt=\"\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3055\u308c\u305f\u5404\u30ea\u30f3\u30af\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u78ba\u8a8d\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3055\u308c\u305f\u5404\u30ea\u30f3\u30af\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u78ba\u8a8d<\/figcaption><\/figure>\n<p>\u30ea\u30f3\u30af\u3092\u30db\u30d0\u30fc\u3057\u305f\u5f8c\u306b\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u300d\u30bf\u30d6\u306b\u79fb\u52d5\u3059\u308b\u3068\u3001\u300c<strong>\u30bf\u30a4\u30d7<\/strong>\u300d\u5217\u306e\u6700\u5f8c\u306b\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u5c06\u6765\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306e\u305f\u3081\u3001\u6700\u3082\u4f4e\u3044\u512a\u5148\u5ea6\u3067\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002Chrome\u306f\u3001\u73fe\u5728\u306e\u30da\u30fc\u30b8\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u512a\u5148\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/prefetch-output.png\" alt=\"\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\u30bf\u30d6\u3067\u30ea\u30f3\u30af\u306b\u30ab\u30fc\u30bd\u30eb\u3092\u5408\u308f\u305b\u308b\u3068\u3001\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3055\u308c\u305f\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\u30bf\u30d6\u3067\u30ea\u30f3\u30af\u306b\u30ab\u30fc\u30bd\u30eb\u3092\u5408\u308f\u305b\u308b\u3068\u3001\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3055\u308c\u305f\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b<\/figcaption><\/figure>\n<h3>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6bd4\u8f03<\/h3>\n<p>Speculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u6a5f\u80fd\u3068\u4ed5\u7d44\u307f\u3092\u62bc\u3055\u3048\u305f\u3068\u3053\u308d\u3067\u3001\u540c\u3058\u30b5\u30fc\u30d0\u30fc\uff08<a href=\"https:\/\/kinsta.com\/jp\/wordpress-hosting\/\">Kinsta\u306eWordPress\u5c02\u7528\u30de\u30cd\u30fc\u30b8\u30c9\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc<\/a>\uff09\u4e0a\u30672\u3064\u306e\u540c\u3058\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><a href=\"https:\/\/my.kinsta.com\/?lang=ja\" target=\"_blank\" rel=\"noopener noreferrer\">MyKinsta<\/a>\u3067\u3001<code>Iowa (US Central)<\/code>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\uff08<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-performance-benchmarks\/\">Google\u306eC3D VM<\/a>\u3092\u4f7f\u7528\uff09\u306b2\u3064\u306eWordPress\u30b5\u30a4\u30c8\u3092\u4f5c\u6210\u3057\u30011\u3064\u306e\u30b5\u30a4\u30c8\u306b\u306fSpeculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u305d\u306e\u4ed6\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u4e00\u5207\u4f7f\u7528\u3057\u307e\u305b\u3093\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/bare-speculative-sites.png\" alt=\"MyKinsta\u30672\u3064\u306e\u30b5\u30a4\u30c8\u3092\u4f5c\u6210\u3057\u3001Speculative Loading\u3092\u4f7f\u7528\u3059\u308b\u30b5\u30a4\u30c8\u3068\u4f7f\u7528\u3057\u306a\u3044\u30b5\u30a4\u30c8\u3092\u6bd4\u8f03\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">MyKinsta\u30672\u3064\u306e\u30b5\u30a4\u30c8\u3092\u4f5c\u6210\u3057\u3001Speculative Loading\u3092\u4f7f\u7528\u3059\u308b\u30b5\u30a4\u30c8\u3068\u4f7f\u7528\u3057\u306a\u3044\u30b5\u30a4\u30c8\u3092\u6bd4\u8f03<\/figcaption><\/figure>\n<p>\u300cBare-site\u300d\u306fSpeculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3\u306a\u3057\u3001\u300cSpeculative-site\u300d\u306b\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-admin\/\">WordPress\u7ba1\u7406\u753b\u9762<\/a>\u306bSpeculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u6709\u52b9\u5316\u3057\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001Speculative Rules API\u306f\u3001\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u6b21\u306e\u30da\u30fc\u30b8\u306b\u304b\u304b\u308b\u8aad\u307f\u8fbc\u307f\u6642\u9593\u306e\u307f\u3092\u6539\u5584\u3059\u308b\u3082\u306e\u3067\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/pagespeed-insights-api\/\">Lighthouse<\/a>\u306e\u3088\u3046\u306a\u4e00\u822c\u7684\u306a\u30b5\u30a4\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c4\u30fc\u30eb\u3067\u305d\u306e\u52b9\u679c\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>2\u3064\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u7279\u5b9a\u306e\u5185\u90e8\u30ea\u30f3\u30af\u304b\u3089\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30b5\u30a4\u30c8\u3092\u691c\u8a3c\u3059\u308b\u969b\u306bChrome \u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u306e\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u300d\u30bf\u30d6\u3067\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3084\u305d\u306e\u4ed6\u306e\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u3001\u30da\u30fc\u30b8\u901f\u5ea6\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<p>Bare-site\uff08\u30d7\u30e9\u30b0\u30a4\u30f3\u306a\u3057\uff09\u306f\u3001\u8aad\u307f\u8fbc\u307f\u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u304c\u79fb\u52d5\u4e2d\u306b\u884c\u308f\u308c\u3001DOM\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u305f\u3081\u3001\u30da\u30fc\u30b8\u306e\u8868\u793a\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/bare-site.png\" alt=\"\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3066\u3044\u306a\u3044\u30b5\u30a4\u30c8\u3067\u306f\u3001DOM\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u305f\u3081\u3001\u3088\u308a\u8868\u793a\u306b\u3088\u308a\u6642\u9593\u304c\u304b\u304b\u308b\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3066\u3044\u306a\u3044\u30b5\u30a4\u30c8\u3067\u306f\u3001DOM\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u305f\u3081\u3001\u3088\u308a\u8868\u793a\u306b\u3088\u308a\u6642\u9593\u304c\u304b\u304b\u308b<\/figcaption><\/figure>\n<p>\u4e00\u65b9\u3001Speculative-site\uff08\u30d7\u30e9\u30b0\u30a4\u30f3\u3042\u308a\uff09 \u306e\u5834\u5408\u306f\u3001DOM\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u3059\u3067\u306bSpeculative API\u7d4c\u7531\u3067\u8aad\u307f\u8fbc\u307e\u308c\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1001px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/04\/speculative-site.png\" alt=\"Speculative Loading\u3067\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6e08\u307f\u306e\u30b5\u30a4\u30c8\u306f\u3001DOM\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8aad\u307f\u8fbc\u307f\u304c\u4e0d\u8981\" width=\"1001\" height=\"471\"><figcaption class=\"wp-caption-text\">Speculative Loading\u3067\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6e08\u307f\u306e\u30b5\u30a4\u30c8\u306f\u3001DOM\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8aad\u307f\u8fbc\u307f\u304c\u4e0d\u8981<\/figcaption><\/figure>\n<p>\u4e21\u8005\u306b\u306f\u3001<strong>\u7d040.22\u79d2<\/strong>\u306e\u5dee\u304c\u751f\u3058\u307e\u3057\u305f\u3002\u4e00\u898b\u305d\u308c\u307b\u3069\u5927\u304d\u306a\u9055\u3044\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u591a\u3044\u5927\u898f\u6a21\u306a\u30b5\u30a4\u30c8\u3067\u306f\u3053\u306e\u5dee\u304c\u304b\u306a\u308a\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>Speculation Rules API\u304c\u5206\u6790\u306b\u4e0e\u3048\u308b\u5f71\u97ff<\/h2>\n<p><a href=\"https:\/\/kinsta.com\/jp\/topics\/analytics\/\">\u5206\u6790<\/a>\u306f\u3001\u30da\u30fc\u30b8\u30d3\u30e5\u30fc\u3084\u30a4\u30d9\u30f3\u30c8\u3092\u901a\u3058\u3066\u30b5\u30a4\u30c8\u306e\u5229\u7528\u72b6\u6cc1\u3092\u8ffd\u8de1\u3057\u3001\u30ea\u30a2\u30eb\u30e6\u30fc\u30b6\u30fc\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff08RUM\uff09\u3092\u901a\u3058\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u5206\u6790\u30c7\u30fc\u30bf\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3082\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001Speculation Rules API\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30d7\u30ea\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30da\u30fc\u30b8\u304c\u5b9f\u969b\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u305f\u5834\u5408\u306e\u307f\u3001\u5206\u6790\u3092\u6709\u52b9\u306b\u3059\u308b\u305f\u3081\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<a href=\"https:\/\/kinsta.com\/blog\/how-to-use-google-analytics\/\">Google \u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9<\/a>\u3001Google \u30d1\u30d6\u30ea\u30c3\u30b7\u30e3\u30fc \u30bf\u30b0\uff08GPT\uff09\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/google-ads-vs-adsense\/\">Google AdSense<\/a>\u306f\u30da\u30fc\u30b8\u304c\u6709\u52b9\u5316\u3055\u308c\u308b\uff08\u8868\u793a\u3055\u308c\u3066\u64cd\u4f5c\u304c\u53ef\u80fd\u306b\u306a\u308b\uff09\u307e\u3067\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3092\u9045\u5ef6\u3057\u307e\u3059\u304c\u3001\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d3\u30b9\u3067\u3053\u308c\u304c\u884c\u308f\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u308c\u3092\u51e6\u7406\u3059\u308b\u306b\u306f\u3001\u30da\u30fc\u30b8\u304c\u6709\u52b9\u5316\u3055\u308c\u305f\u5834\u5408\u306e\u307f\u5206\u6790\u3092\u521d\u671f\u5316\u3059\u308b\u3088\u3046\u306bPromise\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">\/\/ \u30d7\u30ec\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30da\u30fc\u30b8\u304c\u6709\u52b9\u5316\u3055\u308c\u305f\u5834\u5408\u306b\u306e\u307f\u5206\u6790\u3092\u884c\u3046\u3053\u3068\u3092\u7d04\u675f\nconst whenActivated = new Promise((resolve) =&gt; {\n  if (document.prerendering) {\n    document.addEventListener('prerenderingchange', resolve);\n  } else {\n    resolve();\n  }\n});\n\nasync function initAnalytics() {\n  await whenActivated;\n  \/\/ \u5206\u6790\u3092\u521d\u671f\u5316\n}\n\ninitAnalytics();<\/code><\/pre>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4eca\u56de\u306f\u3001Speculative Rules API\u3068\u306f\u4f55\u304b\u3001\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u306e\u304b\u3001\u305d\u3057\u3066WordPress\u30b5\u30a4\u30c8\u3067\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u73fe\u5728\u3082\u5b9f\u9a13\u7684\u306a\u6a5f\u80fd\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u7740\u3005\u3068\u5927\u898f\u6a21\u306a\u5c0e\u5165\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u73fe\u6642\u70b9\u3067\u306f\u3001\u6295\u6a5f\u30eb\u30fc\u30eb\u306f\u540c\u3058\u30bf\u30d6\u5185\u306e\u30da\u30fc\u30b8\u306b\u9650\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u306e\u5236\u9650\u3092\u53d6\u308a\u9664\u304f\u305f\u3081\u306e\u53d6\u308a\u7d44\u307f\u3082\u9032\u884c\u4e2d\u3067\u3059\u3002<\/p>\n<p>\u91cd\u8981\u306a\u70b9\u3068\u3057\u3066\u3001\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u8cea\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u307e\u3059\u3002Kinsta\u3067\u306f\u3001\u6570\u5341\u306e\u30d7\u30ec\u30df\u30a2\u30e0\u6a5f\u80fd\u3092\u63c3\u3048\u305f<a href=\"https:\/\/kinsta.com\/jp\/wordpress-hosting\/\">\u9ad8\u6027\u80fdWordPress\u5c02\u7528\u30de\u30cd\u30fc\u30b8\u30c9\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Kinsta\u306e\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306f\u5b8c\u5168\u306b\u30b3\u30f3\u30c6\u30ca\u5316\u3055\u308c\u3001Google\u306e\u30d7\u30ec\u30df\u30a2\u30e0\u30c6\u30a3\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/cloud-platform-for-developers\/\">Google Cloud Platform<\/a>\u306e\u307f\u3067\u99c6\u52d5\u3002\u6700\u901f\u306e\u30c7\u30fc\u30bf\u30b5\u30fc\u30d0\u30fc\u3001\u9a5a\u7570\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b5\u30fc\u30d0\u30fc\u30ec\u30d9\u30eb\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u5c02\u7528\u30ea\u30bd\u30fc\u30b9\u3001\u304a\u3088\u3073\u5805\u7262\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>WordPress\u5c02\u7528\u30de\u30cd\u30fc\u30b8\u30c9\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/clients\/\">\u304a\u5ba2\u69d8\u306e\u5b9f\u969b\u306e\u58f0<\/a>\u3092\u3054\u89a7\u3044\u305f\u3060\u304f\u304b\u3001<a href=\"https:\/\/kinsta.com\/jp\/contact-us\/\">\u55b6\u696d\u90e8\u9580\u307e\u3067\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>WordPress\u3078\u306eSpeculative Rules API\u306e\u5c0e\u5165\u306b\u3064\u3044\u3066\u3054\u8cea\u554f\u3084\u3054\u610f\u898b\u304c\u3042\u308a\u307e\u3057\u305f\u3089\u3001\u4ee5\u4e0b\u306e\u30b3\u30e1\u30f3\u30c8\u6b04\u3067\u304a\u77e5\u3089\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u65e5\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u5411\u4e0a\u3092\u76ee\u7684\u3068\u3057 &#8230;<\/p>\n","protected":false},"author":287,"featured_media":57303,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[832,822],"class_list":["post-57302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-wordpress-performance","topic-website-speed"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f\u3067WordPress\u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u901f\u5ea6\u3092\u6539\u5584\uff5cKinsta\u00ae<\/title>\n<meta name=\"description\" content=\"WordPress\u306eSpeculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3063\u3066\u3001Speculative Rule API\u3092\u5229\u7528\u3059\u308c\u3070\u3001WordPress\u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u8868\u793a\u901f\u5ea6\u3092\u5411\u4e0a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u624b\u9806\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kinsta.com\/jp\/blog\/speculative-loading\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6295\u6a5f\u7684\u8aad\u307f\u8fbc\u307f\u3067WordPress\u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u8868\u793a\u901f\u5ea6\u3092\u6539\u5584\" \/>\n<meta property=\"og:description\" content=\"WordPress\u306eSpeculative Loading\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3063\u3066\u3001Speculative Rule 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