{"id":31511,"date":"2025-11-30T13:13:34","date_gmt":"2025-11-30T13:13:34","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/blog\/browser-monitoring-for-modern-web-apps\/"},"modified":"2026-08-21T23:31:13","modified_gmt":"2026-08-21T23:31:13","slug":"browser-monitoring-for-modern-web-apps","status":"publish","type":"post","link":"https:\/\/www.dotcom-monitor.com\/blog\/ja\/browser-monitoring-for-modern-web-apps\/","title":{"rendered":"\u30e2\u30c0\u30f3\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u306e\u30d6\u30e9\u30a6\u30b6\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff1aSPA\u3068API"},"content":{"rendered":"<figure id=\"attachment_34416\" aria-describedby=\"caption-attachment-34416\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-34416\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/hero-browser-monitoring-for-modern-web-apps.webp\" alt=\"Illustration of a single page application in a browser window connected to API service nodes, with a magnifying glass representing browser monitoring\" width=\"1200\" height=\"800\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/hero-browser-monitoring-for-modern-web-apps.webp 1200w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/hero-browser-monitoring-for-modern-web-apps-300x200.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/hero-browser-monitoring-for-modern-web-apps-1024x683.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/hero-browser-monitoring-for-modern-web-apps-768x512.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-34416\" 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id='\u73fe\u4ee3\u306e\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u306b\u304a\u3051\u308b\u30d6\u30e9\u30a6\u30b6\u76e3\u8996\u306e\u610f\u5473'  id=\"boomdevs_1\" id=\"what-browser-monitoring-means-for-modern-web-apps\">\u73fe\u4ee3\u306e\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u306b\u304a\u3051\u308b\u30d6\u30e9\u30a6\u30b6\u76e3\u8996\u306e\u610f\u5473<\/h2>\n<p>\u30d6\u30e9\u30a6\u30b6\u76e3\u8996\u3068\u306f\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u969b\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u5b9a\u671f\u7684\u306b\u30ed\u30fc\u30c9\u3057\u64cd\u4f5c\u3057\u3066\u30c6\u30b9\u30c8\u3057\u3001\u5236\u5fa1\u3055\u308c\u305f\u5834\u6240\u304b\u3089\u5b9f\u969b\u306b\u8868\u793a\u3055\u308c\u305f\u5185\u5bb9\u3092\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u300c\u30b5\u30fc\u30d0\u30fc\u306f\u5fdc\u7b54\u3057\u305f\u304b\u300d\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6c17\u306b\u3059\u308b\u552f\u4e00\u306e\u8cea\u554f\u300c\u30da\u30fc\u30b8\u306f\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u304b\u3001\u305d\u3057\u3066\u305d\u306e\u901f\u5ea6\u306f\u3069\u3046\u304b\uff1f\u300d\u306b\u7b54\u3048\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u533a\u5225\u306f\u73fe\u4ee3\u30a2\u30d7\u30ea\u306e\u51e6\u7406\u5206\u62c5\u65b9\u6cd5\u304b\u3089\u91cd\u8981\u3067\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30b5\u30a4\u30c8\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u304c\u4f53\u9a13\u305d\u306e\u3082\u306e\u306a\u306e\u3067\u3001\u5fdc\u7b54\u306e\u30c1\u30a7\u30c3\u30af\u304c\u4f53\u9a13\u306e\u30c1\u30a7\u30c3\u30af\u306b\u306a\u308a\u307e\u3059\u3002SPA\u3067\u306f\u30b5\u30fc\u30d0\u30fc\u306f\u307b\u3068\u3093\u3069\u9aa8\u683c\u3092\u6e21\u3059\u3060\u3051\u3067\u3059\uff1a\u307b\u307c\u7a7a\u306eHTML\u6587\u66f8\u3068\u30b9\u30af\u30ea\u30d7\u30c8\u30bf\u30b0\u3002\u89e3\u6790\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u8d77\u52d5\u3001\u30eb\u30fc\u30c8\u89e3\u6c7a\u3001\u30c7\u30fc\u30bf\u53d6\u5f97\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306f\u3059\u3079\u3066\u30d6\u30e9\u30a6\u30b6\u3067\u884c\u308f\u308c\u307e\u3059\u3002HTTP\u30c1\u30a7\u30c3\u30af\u306f\u9aa8\u683c\u3092\u691c\u8a3c\u3057\u3001\u5b9f\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u3053\u308c\u304c<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/%e5%be%93%e6%9d%a5%e3%81%ae%e7%9b%a3%e8%a6%96%e3%81%8c%e6%9c%80%e6%96%b0%e3%81%ae-web-%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%ab%e5%8d%81%e5%88%86%e3%81%a7\/\">\u5f93\u6765\u306e\u76e3\u8996\u304c\u73fe\u4ee3\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u4e0d\u5341\u5206\u306a\u30b3\u30a2\u7406\u7531<\/a>\u3067\u3059\u3002<\/p>\n<p>\u5408\u6210\u578b\u306e\u30d6\u30e9\u30a6\u30b6\u76e3\u8996\u3067\u306f\u3001\u30a2\u30d7\u30ea\u5185\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u5316\u3055\u308c\u305f\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3067\u5b9f\u884c\u3057\u307e\u3059\uff1a\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306e\u8aad\u307f\u8fbc\u307f\u3001\u30ed\u30b0\u30a4\u30f3\u3001\u691c\u7d22\u306e\u5b9f\u884c\u3001\u30ab\u30fc\u30c8\u306b\u8ffd\u52a0\u3001\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u3002\u5404\u5b9f\u884c\u306f\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3001\u30da\u30fc\u30b8\u304c\u884c\u3063\u305f\u3059\u3079\u3066\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u3001\u5931\u6557\u306e\u8a18\u9332\u3068\u5834\u6240\u3001\u30d6\u30e9\u30a6\u30b6\u30b3\u30f3\u30bd\u30fc\u30eb\u306e\u30a8\u30e9\u30fc\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u307e\u3059\u3002\u5b9f\u884c\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u3001\u3069\u306e\u30b9\u30c6\u30c3\u30d7\u304c\u58ca\u308c\u3001\u3069\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u539f\u56e0\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u4f55\u3092\u898b\u305f\u304b\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5f79\u7acb\u3064\u4e3b\u5f35\u306f\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3067\u306f\u306a\u304f\u3001\u6ce8\u6587\u78ba\u8a8d\u756a\u53f7\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3001\u4fdd\u5b58\u3055\u308c\u305f\u30ec\u30dd\u30fc\u30c8\u304c\u30ea\u30b9\u30c8\u306b\u51fa\u73fe\u3057\u3001\u6a29\u9650\u5909\u66f4\u304c\u6709\u52b9\u306b\u306a\u3063\u305f\u3053\u3068\u3067\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u76e3\u8996\u306f\u30b9\u30af\u30ea\u30fc\u30f3\u3060\u3051\u3067\u306a\u304f\u72b6\u614b\u3092\u691c\u8a3c\u3059\u308b\u3068\u304d\u306b\u771f\u4fa1\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p>\n<h2 id='\u306a\u305c\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea\u306f\u5f93\u6765\u306e\u76e3\u8996\u3092\u7834\u58ca\u3059\u308b\u306e\u304b'  id=\"boomdevs_2\" id=\"why-single-page-apps-break-traditional-monitoring\">\u306a\u305c\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea\u306f\u5f93\u6765\u306e\u76e3\u8996\u3092\u7834\u58ca\u3059\u308b\u306e\u304b<\/h2>\n<p>SPA\u306e3\u3064\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u7684\u7279\u5fb4\u304c\u5927\u534a\u306e\u76e3\u8996\u76f2\u70b9\u3092\u751f\u307f\u51fa\u3057\u3066\u3044\u307e\u3059\uff1a\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u542b\u307e\u306a\u3044\u521d\u671f\u30da\u30a4\u30ed\u30fc\u30c9\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7684\u306b\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u304c\u767a\u751f\u3057\u306a\u3044\u3053\u3068\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u7d42\u4e86\u3068\u30e6\u30fc\u30b6\u30fc\u304c\u898b\u308b\u72b6\u614b\u304c\u5206\u96e2\u3057\u3066\u3044\u308b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u5c64\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u304c\u5f93\u6765\u30c4\u30fc\u30eb\u306e\u4eee\u5b9a\u3092\u8986\u3057\u307e\u3059\u3002<\/p>\n<h3 id='first-paint\u306f\u30d6\u30e9\u30d5\u3067\u3042\u308b'  id=\"boomdevs_3\" id=\"the-first-paint-is-a-bluff\">First Paint\u306f\u30d6\u30e9\u30d5\u3067\u3042\u308b<\/h3>\n<p>React\u3084Vue\u306e\u30a2\u30d7\u30ea\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306fDOM\u89e3\u6790\u5b8c\u4e86\uff08DOMContentLoaded\uff09\u30a4\u30d9\u30f3\u30c8\u3092\u307b\u307c\u5373\u5ea7\u306b\u767a\u706b\u3057\u307e\u3059\u3002\u6587\u66f8\u304c\u975e\u5e38\u306b\u5c0f\u3055\u3044\u305f\u3081\u3067\u3059\u3002\u3053\u306e\u6642\u70b9\u3067\u30e6\u30fc\u30b6\u30fc\u306f\u307b\u3068\u3093\u3069\u4f55\u3082\u898b\u3048\u307e\u305b\u3093\u3002\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u307e\u3060\u30d0\u30f3\u30c9\u30eb\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3068\u5b9f\u884c\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c4\u30ea\u30fc\u306e\u30de\u30a6\u30f3\u30c8\u3001\u30c7\u30fc\u30bf\u53d6\u5f97\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u884c\u308f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30ed\u30fc\u30c9\u30a4\u30d9\u30f3\u30c8\u306b\u57fa\u3065\u304f\u30e1\u30c8\u30ea\u30c3\u30af\u306f\u3001\u30a2\u30d7\u30ea\u304c\u30af\u30ea\u30c3\u30af\u53ef\u80fd\u306b\u306a\u308b\u524d\u306b\u52dd\u5229\u3092\u5ba3\u8a00\u3057\u307e\u3059\u3002\u300c\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u300d\u3068\u300c\u30e6\u30fc\u30b6\u30fc\u304c\u4f7f\u3048\u308b\u300d\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u3001SPA\u76e3\u8996\u304c\u64cd\u4f5c\u3059\u3079\u304d\u307e\u3055\u306b\u305d\u306e\u90e8\u5206\u3067\u3059\u3002\u30b9\u30b1\u30eb\u30c8\u30f3\u30ed\u30fc\u30c0\u30fc\u306f\u3053\u306e\u30d6\u30e9\u30d5\u3092\u60aa\u5316\u3055\u305b\u307e\u3059\uff1a\u7070\u8272\u306e\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc\u306f\u512a\u308c\u305fLargest Contentful Paint\u30b9\u30b3\u30a2\u3092\u793a\u3059\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u30d3\u30e5\u30fc\u304c\u4f7f\u3048\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u53d6\u5f97\u306f\u307e\u3060\u59cb\u307e\u3063\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u30a2\u30d7\u30ea\u306f\u9ad8\u901f\u306b\u898b\u3048\u3066\u6a5f\u80fd\u7684\u306b\u505c\u6b62\u3057\u3066\u3044\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u30d6\u30e9\u30a6\u30b6\u304c\u30da\u30a4\u30f3\u30c8\u3057\u305f\u6642\u523b\u3067\u306f\u306a\u304f\u3001\u30eb\u30fc\u30c8\u304c\u30e6\u30fc\u30b6\u30fc\u56fa\u6709\u306e\u5341\u5206\u306a\u30c7\u30fc\u30bf\u3092\u5f97\u3089\u308c\u305f\u6642\u523b\u3067\u3059\u3002<\/p>\n<h3 id='\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3092\u4e0d\u53ef\u8996\u306b\u3059\u308b'  id=\"boomdevs_4\" id=\"client-side-routing-makes-navigation-invisible\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3092\u4e0d\u53ef\u8996\u306b\u3059\u308b<\/h3>\n<p>\u30e6\u30fc\u30b6\u30fc\u304c\u88fd\u54c1\u30ea\u30b9\u30c8\u304b\u3089\u88fd\u54c1\u8a73\u7d30\u30d3\u30e5\u30fc\u306b\u30af\u30ea\u30c3\u30af\u3057\u3066\u3082\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7684\u306a\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306f\u8d77\u3053\u308a\u307e\u305b\u3093\u3002\u30eb\u30fc\u30bf\u30fc\u304c\u30af\u30ea\u30c3\u30af\u3092\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8\u3057\u3001History API\u3092\u4f7f\u3063\u3066URL\u3092\u66f8\u304d\u63db\u3048\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u305d\u306e\u5834\u3067\u5165\u308c\u66ff\u3048\u307e\u3059\u3002\u3053\u308c\u3092\u30bd\u30d5\u30c8\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3068\u547c\u3073\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306f\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u3084\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u8a18\u9332\u3057\u307e\u305b\u3093\u3002\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u3092\u30ab\u30a6\u30f3\u30c8\u3059\u308b\u76e3\u8996\u306f\u30e6\u30fc\u30b6\u30fc\u304c1\u56de\u5230\u7740\u3057\u3066\u4f55\u3082\u3057\u306a\u304b\u3063\u305f\u3068\u898b\u306a\u3057\u3001\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u30eb\u30fc\u30c8\u306b9\u79d2\u304b\u304b\u3063\u3066\u3082\u6c17\u3065\u304d\u307e\u305b\u3093\u3002\u540c\u3058\u76f2\u76ee\u72b6\u614b\u304c\u5206\u6790\u306b\u3082\u5f71\u97ff\u3057\u307e\u3059\u3002SPA\u306710\u88fd\u54c1\u3092\u898b\u305f\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30d5\u30eb\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u306e\u307f\u3092\u30ab\u30a6\u30f3\u30c8\u3059\u308b\u30c4\u30fc\u30eb\u3067\u306f\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30d0\u30a6\u30f3\u30b9\u3068\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u3055\u308c\u307e\u3059\u3002\u30eb\u30fc\u30c8\u9077\u79fb\u306f\u610f\u56f3\u7684\u306a\u6e2c\u5b9a\u304c\u5fc5\u8981\u3067\u3001\u9077\u79fb\u3092\u958b\u59cb\u3057\u305f\u30af\u30ea\u30c3\u30af\u304b\u3089\u65b0\u3057\u3044\u30d3\u30e5\u30fc\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u3092\u8ffd\u3044\u307e\u3059\u3002\u3069\u3046\u8a08\u6e2c\u3059\u308b\u304b\u306f<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/monitoring-client-side-routing-frameworks-spa-csr-ssr-hybrid\/\">\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/a>\u306b\u3088\u308a\u7570\u306a\u308a\u307e\u3059\uff1a\u7d14\u7c8b\u306a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068\u30cf\u30a4\u30c9\u30ec\u30fc\u30b7\u30e7\u30f3\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u69cb\u6210\u306a\u3069\u3001\u305d\u308c\u305e\u308c\u9045\u5ef6\u306e\u96a0\u308c\u5834\u6240\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<h3 id='\u30ec\u30f3\u30c0\u30fc\u30ec\u30a4\u30e4\u30fc\u306f\u5fdc\u7b54\u3068\u30e6\u30fc\u30b6\u30fc\u304c\u898b\u308b\u3082\u306e\u3092\u5206\u96e2\u3059\u308b'  id=\"boomdevs_5\" id=\"the-render-layer-separates-responses-from-what-users-see\">\u30ec\u30f3\u30c0\u30fc\u30ec\u30a4\u30e4\u30fc\u306f\u5fdc\u7b54\u3068\u30e6\u30fc\u30b6\u30fc\u304c\u898b\u308b\u3082\u306e\u3092\u5206\u96e2\u3059\u308b<\/h3>\n<p>\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u6210\u529f\u3057\u305f\u5fdc\u7b54\u3068\u8996\u899a\u7684UI\u306e\u9593\u306b\u30ec\u30f3\u30c0\u30fc\u30ec\u30a4\u30e4\u30fc\u3092\u914d\u7f6e\u3057\u307e\u3059\uff1aReact\u3084Vue\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u51fa\u529b\u3092\u8abf\u6574\u3057\u3066DOM\u66f4\u65b0\u3092\u30b3\u30df\u30c3\u30c8\u3057\u3001Angular\u306e\u5909\u66f4\u691c\u51fa\u306f\u30c7\u30fc\u30bf\u304c\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u5230\u9054\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30f3\u30c4\u306fAPI\u5fdc\u7b54\u5230\u7740\u306e\u5c11\u3057\u5f8c\u306b\u73fe\u308c\u308b\u304b\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30e9\u30fc\u304c\u30a8\u30e9\u30fc\u30d0\u30a6\u30f3\u30c0\u30ea\u30fc\u3067\u5438\u53ce\u3055\u308c\u308b\u3068\u8868\u793a\u3055\u308c\u306a\u3044\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u76e3\u8996\u306b\u304a\u3044\u3066\u306f\u3001\u304d\u308c\u3044\u306aAPI\u5fdc\u7b54\u306f\u307b\u3068\u3093\u3069\u8a3c\u660e\u306b\u306a\u308a\u307e\u305b\u3093\uff1a\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306f\u5b8c\u74a7\u306aJSON\u3092\u8fd4\u3057\u3066\u3082\u3001\u305d\u308c\u3092\u8868\u793a\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u9759\u304b\u306b\u5931\u6557\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30c1\u30a7\u30c3\u30af\u306f\u30ec\u30b9\u30dd\u30f3\u30b9\u30b3\u30fc\u30c9\u3067\u306f\u306a\u304f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u51fa\u529b\u306b\u57fa\u3065\u304f\u3079\u304d\u3067\u3059\u3002\u30ec\u30f3\u30c0\u30fc\u30ec\u30a4\u30e4\u30fc\u306f\u307e\u305f\u58ca\u308c\u3084\u3059\u3044\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u5236\u88c1\u3092\u52a0\u3048\u307e\u3059\uff1aCSS-in-JS\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u30d3\u30eb\u30c9\u3054\u3068\u306b\u5909\u308f\u308b\u30cf\u30c3\u30b7\u30e5\u5316\u3055\u308c\u305f\u30af\u30e9\u30b9\u540d\u3092\u751f\u6210\u3057\u3001\u305d\u308c\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3059\u308b\u30c1\u30a7\u30c3\u30af\u306f\u6bce\u56de\u306e\u30c7\u30d7\u30ed\u30a4\u3067\u58ca\u308c\u307e\u3059\u3002<code>data-testid<\/code>\u5c5e\u6027\u3084ARIA\u30ed\u30fc\u30eb\u306a\u3069\u306e\u5b89\u5b9a\u3057\u305f\u30d5\u30c3\u30af\u304c\u3001\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u306e\u7dad\u6301\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_34423\" aria-describedby=\"caption-attachment-34423\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-34423\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/page-load-vs-spa-soft-navigation.webp\" alt=\"Diagram comparing a traditional full page load with an SPA soft navigation where only individual components update from API calls\" width=\"1200\" height=\"800\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/page-load-vs-spa-soft-navigation.webp 1200w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/page-load-vs-spa-soft-navigation-300x200.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/page-load-vs-spa-soft-navigation-1024x683.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2025\/11\/page-load-vs-spa-soft-navigation-768x512.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-34423\" class=\"wp-caption-text\">\u5f93\u6765\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306f\u30da\u30fc\u30b8\u5168\u4f53\u3092\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002SPA\u306e\u30bd\u30d5\u30c8\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u3068\u3057\u3066\u5831\u544a\u3057\u306a\u3044API\u547c\u3073\u51fa\u3057\u3067\u30d5\u30a3\u30fc\u30c9\u3055\u308c\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u305d\u306e\u5834\u3067\u66f4\u65b0\u3057\u307e\u3059\u3002<\/figcaption><\/figure>\n<h2 id='react-vue-angular\u306b\u7279\u6709\u306e\u6545\u969c\u30e2\u30fc\u30c9'  id=\"boomdevs_6\" id=\"framework-specific-failure-modes-in-react-vue-and-angular\">React\u3001Vue\u3001Angular\u306b\u7279\u6709\u306e\u6545\u969c\u30e2\u30fc\u30c9<\/h2>\n<p>3\u5927\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u76f2\u70b9\u3092\u5171\u6709\u3057\u307e\u3059\u304c\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u8a00\u8a9e\u3067\u5931\u6557\u3057\u3001\u76e3\u8996\u306f\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30a2\u30d7\u30ea\u3092\u77e5\u308b\u3053\u3068\u3067\u3088\u308a\u52b9\u679c\u7684\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>React\u3002<\/strong> 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href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/reactjs%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%ae%e7%9b%a3%e8%a6%96%e3%81%ab%e9%96%a2%e3%81%99%e3%82%8b%e8%aa%b2%e9%a1%8c\/\">React\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u76e3\u8996\u306e\u8ab2\u984c<\/a>\u306f\u72ec\u7acb\u3057\u305f\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u5024\u3057\u307e\u3059\u3002<\/li>\n<li><strong>Vue\u3002<\/strong> Vue\u306e\u30ea\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u30b7\u30b9\u30c6\u30e0\u306f\u4f9d\u5b58\u95a2\u4fc2\u3092\u81ea\u52d5\u8ffd\u8de1\u3057\u3001\u6df1\u304f\u30cd\u30b9\u30c8\u3057\u305f\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u9577\u3044\u30a6\u30a9\u30c3\u30c1\u30e3\u30fc\u30c1\u30a7\u30fc\u30f3\u306f\u5c0f\u3055\u306a\u72b6\u614b\u5909\u5316\u3092\u66f4\u65b0\u306e\u9023\u9396\u3078\u3068\u62e1\u5927\u3055\u305b\u307e\u3059\u3002\u75c7\u72b6\u306f\u30a8\u30e9\u30fc\u3067\u306f\u306a\u304f\u920d\u3044\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3067\u3001<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/vue-%e3%81%a7%e4%bd%9c%e6%88%90%e3%81%95%e3%82%8c%e3%81%9f%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%ae%e7%9b%a3%e8%a6%96-js\/\">Vue.js\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u76e3\u8996<\/a>\u306f\u30a8\u30e9\u30fc\u6570\u3088\u308a\u3082\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/li>\n<li><strong>Angular\u3002<\/strong> Zone.js\u306f\u30a4\u30d9\u30f3\u30c8\u5f8c\u306b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30c4\u30ea\u30fc\u5168\u4f53\u3067\u5909\u66f4\u691c\u51fa\u3092\u30c8\u30ea\u30ac\u30fc\u3057\u3001\u91cd\u3044\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3084\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306f\u5358\u4e00\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u5931\u6557\u3067\u306f\u306a\u304f\u3059\u3079\u3066\u306e\u64cd\u4f5c\u3092\u5c11\u3057\u305a\u3064\u9045\u304f\u3057\u307e\u3059\u3002\u5408\u5426\u7d50\u679c\u3060\u3051\u3067\u306a\u304f\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u30c8\u30ec\u30f3\u30c9\u3092\u89b3\u5bdf\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u5171\u901a\u70b9\uff1a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u554f\u984c\u306f\u5931\u6557\u3057\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u307b\u3068\u3093\u3069\u751f\u307f\u307e\u305b\u3093\u3002\u9045\u5ef6\u3068\u6b20\u843d\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u751f\u307f\u3001\u3053\u308c\u3053\u305d\u304c\u5b9f\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u304c\u6e2c\u5b9a\u3057HTTP\u30c1\u30a7\u30c3\u30af\u304c\u691c\u77e5\u3067\u304d\u306a\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2 id='api\u4f9d\u5b58\u306e\u554f\u984c'  id=\"boomdevs_7\" id=\"the-api-dependency-problem\">API\u4f9d\u5b58\u306e\u554f\u984c<\/h2>\n<p>SPA\u3067\u306fAPI\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3067\u3059\u3002\u5358\u4e00\u306e\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u30d3\u30e5\u30fc\u306f\u8907\u6570\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304b\u3089\u81ea\u5df1\u7d44\u307f\u7acb\u3066\u3055\u308c\u307e\u3059\uff1a\u30bb\u30c3\u30b7\u30e7\u30f3\u3001\u30e6\u30fc\u30b6\u30fc\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3001\u6a29\u9650\u3001\u4e3b\u8981\u30c7\u30fc\u30bf\u3001\u901a\u77e5\u3002\u6700\u3082\u9045\u3044\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u547c\u3073\u51fa\u3057\u304c\u30d3\u30e5\u30fc\u5168\u4f53\u3092\u30b2\u30fc\u30c8\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u300c1\u3064\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304c\u52a3\u5316\u3057\u3066\u3044\u308b\u300d\u3068\u306f\u611f\u3058\u307e\u305b\u3093\u3002\u30a2\u30d7\u30ea\u304c\u58ca\u308c\u3066\u3044\u308b\u3068\u611f\u3058\u307e\u3059\u3002<\/p>\n<blockquote><p>\u9045\u3044\u30c8\u30fc\u30af\u30f3\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u304c\u305d\u308c\u306b\u7d9a\u304f\u8a8d\u8a3c\u6e08\u307f\u547c\u3073\u51fa\u3057\u3092\u3059\u3079\u3066\u9045\u5ef6\u3055\u305b\u307e\u3059\u3002\u63a8\u5968\u3084\u30ab\u30fc\u30c8\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u307e\u3059\u3002\u30da\u30fc\u30b8\u306f\u7a7a\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u63cf\u753b\u3055\u308c\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30ea\u30ed\u30fc\u30c9\u3057\u3001\u305d\u306e\u30ea\u30ed\u30fc\u30c9\u306f\u82e6\u6226\u4e2d\u306e\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u8ca0\u8377\u3092\u500d\u5897\u3057\u307e\u3059\u3002\u5404\u30b5\u30fc\u30d3\u30b9\u306f\u5358\u72ec\u3067\u306f\u6b63\u5e38\u306b\u898b\u3048\u307e\u3057\u305f\u3002\u5171\u306b\u5931\u6557\u3057\u3066\u3044\u308b\u306e\u306f\u30d6\u30e9\u30a6\u30b6\u3060\u3051\u304c\u898b\u3066\u3044\u307e\u3057\u305f\u3002<\/p><\/blockquote>\n<p>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u4f9d\u5b58\u306f\u3055\u3089\u306b\u30ea\u30b9\u30af\u3092\u9ad8\u3081\u307e\u3059\u3002\u6c7a\u6e08\u30d7\u30ed\u30bb\u30c3\u30b5\u30fc\u3001\u8a8d\u8a3c\u30d7\u30ed\u30d0\u30a4\u30c0\u3001\u5206\u6790\u30bf\u30b0\u3001\u30c1\u30e3\u30c3\u30c8\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u306f\u3059\u3079\u3066\u540c\u30da\u30fc\u30b8\u306b\u8aad\u307f\u8fbc\u307e\u308c\u3001\u305d\u306e\u3069\u308c\u3082\u304c\u7ba1\u7406\u3067\u304d\u306a\u3044\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3067\u52a3\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30d9\u30f3\u30c0\u30fc\u306e\u30a4\u30f3\u30d5\u30e9\u306f\u76f4\u305b\u307e\u305b\u3093\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u898b\u3064\u304b\u308b\u524d\u306b\u767a\u898b\u306f\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u7528\u7684\u306a\u7b54\u3048\u306f2\u3064\u306e\u30ec\u30d9\u30eb\u3067\u76e3\u8996\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u91cd\u8981\u306a\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e8%a3%bd%e5%93%81\/api-monitoring\/web-api-monitoring\/\">Web API\u76e3\u8996<\/a>\u3067\u76f4\u63a5\u76e3\u8996\u3057\u3001\u5fdc\u7b54\u6642\u9593\u3001\u30a8\u30e9\u30fc\u7387\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u6b63\u78ba\u6027\u3092\u30c7\u30fc\u30bf\u3068\u3057\u3066\u5f97\u307e\u3059\u3002\u6b21\u306b\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u3067\u540c\u3058\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u5185\u3067\u76e3\u8996\u3057\u307e\u3059\u3002300ms\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3068800ms\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3088\u308a\u30e6\u30fc\u30b6\u30fc\u306b\u60aa\u5f71\u97ff\u3067\u3059\u3002<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/web-%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3%e3%82%b9%e3%81%ae%e6%9c%80%e9%81%a9%e5%8c%96-%e3%82%a6%e3%82%a9%e3%83%bc%e3%82%bf%e3%83%bc%e3%83%95%e3%82%a9%e3%83%bc%e3%83%ab-%e3%82%b0\/\">\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u30c1\u30e3\u30fc\u30c8<\/a>\u306f\u4e21\u8005\u304c\u4ea4\u308f\u308b\u5834\u6240\u3067\u3059\u3002\u30da\u30fc\u30b8\u304c\u884c\u3063\u305f\u3059\u3079\u3066\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u9806\u306b\u30bf\u30a4\u30df\u30f3\u30b0\u4ed8\u304d\u3067\u793a\u3055\u308c\u3001\u3069\u306e\u547c\u3073\u51fa\u3057\u304c\u30d3\u30e5\u30fc\u3092\u5b9f\u969b\u306b\u62d8\u675f\u3057\u305f\u304b\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u7528\u7684\u306a\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30eb\u30fc\u30eb\uff1a\u76f4\u63a5API\u30c1\u30a7\u30c3\u30af\u304c\u9045\u304f\u304b\u3064\u30d6\u30e9\u30a6\u30b6\u30b9\u30c6\u30c3\u30d7\u3082\u9045\u3044\u306a\u3089\u30b5\u30fc\u30d3\u30b9\u5074\u304b\u3089\u8abf\u67fb\u958b\u59cb\u3002API\u30c1\u30a7\u30c3\u30af\u306f\u6b63\u5e38\u3067\u30d6\u30e9\u30a6\u30b6\u30b9\u30c6\u30c3\u30d7\u304c\u9045\u3044\u306a\u3089\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3092\u63a2\u3059\uff1a\u30d0\u30f3\u30c9\u30eb\u5b9f\u884c\u3001\u30cf\u30a4\u30c9\u30ec\u30fc\u30b7\u30e7\u30f3\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u4e26\u884c\u3059\u3079\u304d\u547c\u3073\u51fa\u3057\u304c\u76f4\u5217\u5316\u3055\u308c\u3066\u3044\u308b\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u306a\u3069\u3002\u4e21\u8005\u3068\u3082\u6b63\u5e38\u3067\u30e6\u30fc\u30b6\u30fc\u306e\u82e6\u60c5\u304c\u3042\u308c\u3070\u3001\u30e2\u30cb\u30bf\u30fc\u3092\u7591\u3046\u524d\u306b\u5730\u57df\u5dee\u3084\u8a8d\u8a3c\u6e08\u307f\u306e\u30ed\u30fc\u30eb\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<h2 id='\u91cd\u8981\u306a\u30d6\u30e9\u30a6\u30b6\u76e3\u8996\u30e1\u30c8\u30ea\u30af\u30b9'  id=\"boomdevs_8\" id=\"browser-monitoring-metrics-that-matter\">\u91cd\u8981\u306a\u30d6\u30e9\u30a6\u30b6\u76e3\u8996\u30e1\u30c8\u30ea\u30af\u30b9<\/h2>\n<p>\u73fe\u4ee3\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u306e\u30b9\u30b3\u30a2\u30dc\u30fc\u30c9\u306f2\u3064\u306e\u534a\u5206\u304b\u3089\u6210\u308a\u307e\u3059\uff1aGoogle\u304c\u8aad\u307f\u8fbc\u307f\u4f53\u9a13\u3092\u8868\u3059Core Web Vitals\u3068\u3001VItals\u304c\u30ab\u30d0\u30fc\u3057\u306a\u3044SPA\u5c02\u7528\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u6e2c\u5b9a\u3067\u3059\u3002<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\u30e1\u30c8\u30ea\u30af\u30b9<\/th>\n<th>\u610f\u5473<\/th>\n<th>\u826f\u597d\uff0875\u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Largest Contentful Paint (LCP)<\/td>\n<td>\u4e3b\u8981\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u3069\u308c\u3060\u3051\u901f\u304f\u8868\u793a\u3055\u308c\u308b\u304b<\/td>\n<td>\u2264 2.5 \u79d2<\/td>\n<\/tr>\n<tr>\n<td>Interaction to Next Paint (INP)<\/td>\n<td>\u8a2a\u554f\u5168\u4f53\u3092\u901a\u3057\u305f\u30af\u30ea\u30c3\u30af\u3001\u30bf\u30c3\u30d7\u3001\u30ad\u30fc\u64cd\u4f5c\u306b\u5bfe\u3059\u308b\u5fdc\u7b54\u6027<\/td>\n<td>\u2264 200 ms<\/td>\n<\/tr>\n<tr>\n<td>Cumulative Layout Shift (CLS)<\/td>\n<td>\u8aad\u307f\u8fbc\u307f\u4e2d\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u3069\u308c\u3060\u3051\u52d5\u304f\u304b<\/td>\n<td>\u2264 0.1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u95be\u5024\u306f<a href=\"https:\/\/web.dev\/articles\/vitals\" target=\"_blank\" rel=\"noopener\">Google\u306e\u516c\u8868\u30bf\u30fc\u30b2\u30c3\u30c8<\/a>\u3067\u3001\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u306e75\u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u3067\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6ce8\u76ee\u3059\u3079\u304d\u5ec3\u6b62\u4e8b\u9805\uff1aFirst Input Delay (FID)\u306f2024\u5e743\u6708\u306b\u5ec3\u6b62\u3055\u308c\u3001INP\u304c\u5fdc\u7b54\u6027\u306e\u30d0\u30a4\u30bf\u30eb\u3068\u3057\u3066\u7f6e\u304d\u63db\u3048\u307e\u3057\u305f\u3002INP\u306f\u3088\u308a\u53b3\u3057\u3044\u6307\u6a19\u3067\u3001\u6700\u521d\u306e\u64cd\u4f5c\u524d\u306e\u9045\u5ef6\u3060\u3051\u3067\u306a\u304f\u8a2a\u554f\u4e2d\u306e\u3059\u3079\u3066\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u6e2c\u308a\u307e\u3059\u3002\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u307e\u3060FID\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308c\u3070\u3001Google\u304c\u3082\u306f\u3084\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u793a\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Core Web Vitals\u306f\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u6700\u521d\u306e\u5370\u8c61\u3092\u8868\u73fe\u3059\u308b\u4e00\u65b9\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30d7\u30ea\u5185\u3067\u904e\u3054\u3059\u6642\u9593\u306e\u591a\u304f\u3092\u5360\u3081\u308b\u30bd\u30d5\u30c8\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u4f53\u9a13\u306b\u306f\u307b\u3068\u3093\u3069\u8a00\u53ca\u3057\u307e\u305b\u3093\u3002SPA\u56fa\u6709\u306e\u8a08\u6e2c\u3067\u5168\u4f53\u50cf\u3092\u88dc\u5b8c\u3057\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u30eb\u30fc\u30c8\u5909\u66f4\u6642\u9593\u3002<\/strong> \u30c8\u30ea\u30ac\u30fc\u3057\u305f\u30af\u30ea\u30c3\u30af\u304b\u3089\u65b0\u3057\u3044\u30d3\u30e5\u30fc\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3002\u91cd\u3044\u7ba1\u7406\u30eb\u30fc\u30c8\u3068\u8efd\u3044\u8a2d\u5b9a\u30da\u30fc\u30b8\u3067\u306f\u95be\u5024\u3092\u5171\u6709\u3059\u3079\u304d\u3067\u306a\u3044\u305f\u3081\u3001\u30eb\u30fc\u30c8\u3054\u3068\u306b\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30bf\u30a4\u30df\u30f3\u30b0\u3002<\/strong> \u30b9\u30af\u30ea\u30d7\u30c8\u5316\u3055\u308c\u305f\u30b8\u30e3\u30fc\u30cb\u30fc\uff08\u30ed\u30b0\u30a4\u30f3\u3001\u691c\u7d22\u3001\u30ab\u30fc\u30c8\u8ffd\u52a0\u3001\u652f\u6255\u3044\uff09\u3067\u5404\u30b9\u30c6\u30c3\u30d7\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u57fa\u6e96\u3092\u6301\u3061\u3001\u9045\u5ef6\u304c\u3069\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u8d77\u304d\u305f\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3054\u3068\u306eAPI\u5fdc\u7b54\u6642\u9593\u3068\u30a8\u30e9\u30fc\u7387\u3002<\/strong> \u30a2\u30d7\u30ea\u5168\u4f53\u306e\u5e73\u5747\u3067\u306f\u306a\u304f\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3054\u3068\u306b\u533a\u5225\u3057\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b1\u3064\u306e\u9045\u3044\u547c\u3073\u51fa\u3057\u3092\u96a0\u3055\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>JavaScript\u30b3\u30f3\u30bd\u30fc\u30eb\u30a8\u30e9\u30fc\u3002<\/strong> \u30c1\u30a7\u30c3\u30af\u4e2d\u306b\u767a\u751f\u3059\u308b\u672a\u6355\u6349\u4f8b\u5916\u3068\u30ea\u30bd\u30fc\u30b9\u8aad\u307f\u8fbc\u307f\u5931\u6557\u306f\u6a5f\u80fd\u304c\u9759\u304b\u306b\u52a3\u5316\u3057\u3066\u3044\u308b\u65e9\u671f\u8b66\u544a\u3067\u3059\u3002<\/li>\n<li><strong>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u6642\u9593\u3002<\/strong> \u3042\u306a\u305f\u304c\u904b\u7528\u3057\u306a\u3044\u30b9\u30af\u30ea\u30d7\u30c8\u3084\u30b5\u30fc\u30d3\u30b9\u306b\u3069\u308c\u3060\u3051\u30ed\u30fc\u30c9\u3084\u64cd\u4f5c\u7d4c\u8def\u306e\u6642\u9593\u3092\u8cbb\u3084\u3057\u3066\u3044\u308b\u304b\u3002<\/li>\n<\/ul>\n<h2 id='\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea\u3092\u6bb5\u968e\u7684\u306b\u76e3\u8996\u3059\u308b\u65b9\u6cd5'  id=\"boomdevs_9\" id=\"how-to-monitor-a-single-page-app-step-by-step\">\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea\u3092\u6bb5\u968e\u7684\u306b\u76e3\u8996\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u306f\u4e0a\u8a18\u306e\u5185\u5bb9\u3092\u5b9f\u8df5\u3059\u308b\u8a2d\u5b9a\u624b\u9806\u3067\u3059\u3002<\/p>\n<h3 id='\u30b9\u30c6\u30c3\u30d71-\u5b9f\u30d6\u30e9\u30a6\u30b6\u306e\u7a3c\u50cd\u6642\u9593\u30c1\u30a7\u30c3\u30af\u304b\u3089\u59cb\u3081\u308b'  id=\"boomdevs_10\" id=\"step-1-start-with-a-real-browser-uptime-check\">\u30b9\u30c6\u30c3\u30d71: \u5b9f\u30d6\u30e9\u30a6\u30b6\u306e\u7a3c\u50cd\u6642\u9593\u30c1\u30a7\u30c3\u30af\u304b\u3089\u59cb\u3081\u308b<\/h3>\n<p>\u5b9f\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u3092\u30a2\u30d7\u30ea\u306e\u8d77\u70b9URL\u306b\u5bfe\u3057\u3066\u4e00\u5b9a\u9593\u9694\u3067\u5b9f\u884c\u3057\u307e\u3059\u3002HTTP\u30d4\u30f3\u3068\u306f\u7570\u306a\u308a\u3001\u30d0\u30f3\u30c9\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066JavaScript\u3092\u5b9f\u884c\u3057\u3001\u5b9f\u30d6\u30e9\u30a6\u30b6\u3067\u30da\u30fc\u30b8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u4e0d\u8abf\u3067\u306f\u306a\u304f\u30a2\u30d7\u30ea\u306e\u4e0d\u8abf\u3067\u5931\u6557\u3057\u307e\u3059\u3002\u3053\u308c\u306f<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%e8%a3%bd%e5%93%81\/web-application-monitoring\/\">\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u76e3\u8996<\/a>\u306e\u57fa\u76e4\u5c64\u3067\u3042\u308a\u3001\u5b89\u4fa1\u3067\u983b\u7e41\u306b\u3001\u30a2\u30d7\u30ea\u5b9f\u969b\u306b\u7a3c\u50cd\u3057\u3066\u3044\u308b\u304b\u3092\u6b63\u76f4\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30b9\u30c6\u30c3\u30d72-\u53ce\u76ca\u3084\u30ea\u30c6\u30f3\u30b7\u30e7\u30f3\u3092\u751f\u307f\u51fa\u3059\u30b8\u30e3\u30fc\u30cb\u30fc\u3092\u30b9\u30af\u30ea\u30d7\u30c8\u5316\u3059\u308b'  id=\"boomdevs_11\" id=\"step-2-script-the-journeys-that-pay-the-bills\">\u30b9\u30c6\u30c3\u30d72: \u53ce\u76ca\u3084\u30ea\u30c6\u30f3\u30b7\u30e7\u30f3\u3092\u751f\u307f\u51fa\u3059\u30b8\u30e3\u30fc\u30cb\u30fc\u3092\u30b9\u30af\u30ea\u30d7\u30c8\u5316\u3059\u308b<\/h3>\n<p>\u30b5\u30a4\u30f3\u30a4\u30f3\u3001\u691c\u7d22\u3001\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u3001\u88fd\u54c1\u306e\u30b3\u30a2\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306a\u3069\u30013\u301c5\u306e\u30d5\u30ed\u30fc\u3092\u9078\u3073\u307e\u3059\u3002<a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e9%a1%94%e7%ab%8b%e3%81%a1\/everystep\/\">EveryStep<\/a>\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3067\u5404\u30b9\u30c6\u30c3\u30d7\u3092\u30b9\u30af\u30ea\u30d7\u30c8\u5316\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u30bb\u30c3\u30b7\u30e7\u30f3\u5185\u306e\u5b9f\u969b\u306e\u30af\u30ea\u30c3\u30af\u3001\u30ad\u30fc\u30b9\u30c8\u30ed\u30fc\u30af\u3001\u5f85\u6a5f\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3066\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3067\u518d\u751f\u3057\u307e\u3059\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u5316\u3055\u308c\u305f\u30b8\u30e3\u30fc\u30cb\u30fc\u3060\u3051\u304c\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u901a\u308a\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30b9\u30c6\u30c3\u30d73-\u5b89\u5b9a\u3057\u305f\u30bb\u30ec\u30af\u30bf\u30fc\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30a2\u30b5\u30fc\u30c8\u3059\u308b'  id=\"boomdevs_12\" id=\"step-3-assert-on-rendered-content-with-stable-selectors\">\u30b9\u30c6\u30c3\u30d73: \u5b89\u5b9a\u3057\u305f\u30bb\u30ec\u30af\u30bf\u30fc\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30a2\u30b5\u30fc\u30c8\u3059\u308b<\/h3>\n<p>\u5404\u30b9\u30c6\u30c3\u30d7\u3067\u3001\u610f\u5473\u306e\u3042\u308b\u3082\u306e\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u304b\u3092\u30a2\u30b5\u30fc\u30c8\u3057\u307e\u3059\uff1a\u6ce8\u6587\u5408\u8a08\u304c\u8868\u793a\u3055\u308c\u3001\u691c\u7d22\u7d50\u679c\u884c\u304c\u8fd4\u308a\u3001\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306e\u30b0\u30e9\u30d5\u304c\u63cf\u753b\u3055\u308c\u308b\u306a\u3069\u3002\u5b58\u5728\u3060\u3051\u3067\u306a\u304f\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u307e\u3059\uff1a\u30d5\u30a9\u30fc\u30e0\u304c\u6709\u52b9\u306b\u306a\u308b\u3068\u9001\u4fe1\u30dc\u30bf\u30f3\u304c\u6709\u52b9\u306b\u306a\u308a\u3001\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u30b9\u30d4\u30ca\u30fc\u304cDOM\u304b\u3089\u6d88\u3048\u308b\u306a\u3069\u3002\u90e8\u7f72\u3054\u3068\u306b\u5909\u308f\u308b\u81ea\u52d5\u751f\u6210\u306e\u30af\u30e9\u30b9\u540d\u3067\u306f\u306a\u304f\u3001<code>data-testid<\/code>\u3084ARIA\u30ed\u30fc\u30eb\u306e\u3088\u3046\u306a\u5b89\u5b9a\u5c5e\u6027\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3057\u3001\u5404\u30c7\u30d7\u30ed\u30a4\u5f8c\u306b\u8aa4\u691c\u77e5\u3059\u308b\u3053\u3068\u306a\u304f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4fdd\u5b88\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30b9\u30c6\u30c3\u30d74-\u305d\u306e\u80cc\u5f8c\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u76f4\u63a5api\u30c1\u30a7\u30c3\u30af\u3092\u8ffd\u52a0\u3059\u308b'  id=\"boomdevs_13\" id=\"step-4-add-direct-api-checks-for-the-endpoints-behind-it\">\u30b9\u30c6\u30c3\u30d74: \u305d\u306e\u80cc\u5f8c\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u76f4\u63a5API\u30c1\u30a7\u30c3\u30af\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\n<p>\u3042\u306a\u305f\u306e\u91cd\u8981\u306a\u30d3\u30e5\u30fc\u304c\u4f9d\u5b58\u3059\u308b\u3059\u3079\u3066\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u3001\u5fdc\u7b54\u6642\u9593\u306e\u95be\u5024\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u691c\u8a3c\u3092\u884c\u3046\u500b\u5225\u30c1\u30a7\u30c3\u30af\u3092\u8a2d\u7f6e\u3057\u307e\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9\u3082\u542b\u307f\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u304c\u5931\u6557\u3057\u305f\u5834\u5408\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u30c7\u30fc\u30bf\u3067\u554f\u984c\u304c\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u304bAPI\u304b\u30d9\u30f3\u30c0\u30fc\u304b\u3092\u6570\u79d2\u3067\u5224\u5225\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id='\u30b9\u30c6\u30c3\u30d75-\u30e6\u30fc\u30b6\u30fc\u304c\u3044\u308b\u5730\u57df\u304b\u3089\u5b9f\u884c\u3059\u308b'  id=\"boomdevs_14\" id=\"step-5-run-from-the-regions-your-users-are-in\">\u30b9\u30c6\u30c3\u30d75: \u30e6\u30fc\u30b6\u30fc\u304c\u3044\u308b\u5730\u57df\u304b\u3089\u5b9f\u884c\u3059\u308b<\/h3>\n<p>\u8d77\u70b9\u8fd1\u304f\u3067\u306f\u901f\u3044\u30d0\u30f3\u30c9\u30eb\u3082\u6d77\u3092\u8d8a\u3048\u308b\u3068\u9045\u5ef6\u3057\u304c\u3061\u3067\u3001CDN\u3084DNS\u306e\u554f\u984c\u306f\u5730\u57df\u7279\u6709\u306a\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u5b9f\u969b\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u6765\u308b\u5730\u57df\u304b\u3089\u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u884c\u3057\u3001\u30b7\u30f3\u30ac\u30dd\u30fc\u30eb\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u611f\u3058\u308b\u9045\u5ef6\u3092\u6355\u6349\u3057\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u304c\u611f\u3058\u306a\u3044\u9045\u5ef6\u3092\u898b\u9003\u3055\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<h3 id='\u30b9\u30c6\u30c3\u30d76-\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u30b9\u30c6\u30c3\u30d7\u5358\u4f4d\u3067\u30a2\u30e9\u30fc\u30c8\u3092\u51fa\u3059'  id=\"boomdevs_15\" id=\"step-6-alert-on-steps-not-just-sessions\">\u30b9\u30c6\u30c3\u30d76: \u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u30b9\u30c6\u30c3\u30d7\u5358\u4f4d\u3067\u30a2\u30e9\u30fc\u30c8\u3092\u51fa\u3059<\/h3>\n<p>\u30b8\u30e3\u30fc\u30cb\u30fc\u5168\u4f53\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c81\u3064\u3067\u306f\u306a\u304f\u3001\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306b\u95be\u5024\u3092\u8a2d\u5b9a\u3057\u3001\u5358\u4e00\u306e\u9045\u3044\u5b9f\u884c\u3088\u308a\u6301\u7d9a\u7684\u306a\u52a3\u5316\u3092\u901a\u77e5\u3057\u307e\u3059\u3002\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u30b9\u30c6\u30c3\u30d7\u304c2\u79d2\u304b\u30896\u79d2\u306b\u9045\u5ef6\u3057\u305f\u5834\u5408\u306f\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u6280\u8853\u7684\u306b\u306f\u307e\u3060\u6210\u529f\u3057\u3066\u3044\u3066\u3082\u3001\u8ab0\u304b\u3092\u8d77\u3053\u3059\u4fa1\u5024\u304c\u3042\u308b\u554f\u984c\u3067\u3059\u3002\u9069\u5207\u306b\u8abf\u6574\u3055\u308c\u305f<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/website-monitoring-alerts\/\">\u76e3\u8996\u30a2\u30e9\u30fc\u30c8<\/a>\u306f\u3001\u4fe1\u983c\u3067\u304d\u308b\u30b7\u30b9\u30c6\u30e0\u3068\u30df\u30e5\u30fc\u30c8\u3059\u308b\u3060\u3051\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u9055\u3044\u3067\u3059\u3002<\/p>\n<h2 id='spa\u306b\u304a\u3051\u308b\u5408\u6210\u76e3\u8996\u3068\u5b9f\u30e6\u30fc\u30b6\u30fc\u76e3\u8996\u306e\u6bd4\u8f03'  id=\"boomdevs_16\" id=\"synthetic-monitoring-vs-real-user-monitoring-for-spas\">SPA\u306b\u304a\u3051\u308b\u5408\u6210\u76e3\u8996\u3068\u5b9f\u30e6\u30fc\u30b6\u30fc\u76e3\u8996\u306e\u6bd4\u8f03<\/h2>\n<p><a href=\"https:\/\/www.dotcom-monitor.com\/ja\/%e3%83%89%e3%83%83%e3%83%88%e3%82%b3%e3%83%a0%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%bc%e3%81%a7%e5%ad%a6%e3%81%b6\/%e7%94%a8%e8%aa%9e%e9%9b%86\/%e3%83%aa%e3%82%a2%e3%83%ab%e3%83%a6%e3%83%bc%e3%82%b6%e3%83%bc%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%aa%e3%83%b3%e3%82%b0%ef%bc%88rum%ef%bc%89%e3%81%a8%e3%81%af%ef%bc%9f\/\">\u5b9f\u30e6\u30fc\u30b6\u30fc\u76e3\u8996<\/a>\uff08RUM\uff09\u306f\u30a2\u30d7\u30ea\u306bJavaScript\u30b9\u30cb\u30da\u30c3\u30c8\u3092\u7d44\u307f\u8fbc\u307f\u3001\u5b9f\u969b\u306e\u8a2a\u554f\u8005\u304c\u7d4c\u9a13\u3057\u305f\u3053\u3068\u3092\u5831\u544a\u3057\u307e\u3059\u3002\u305d\u306e\u5f37\u307f\u306f\u5e45\u5e83\u3055\u3067\u3001\u5b9f\u969b\u306e\u30c7\u30d0\u30a4\u30b9\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u304fCore Web Vitals\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5fc5\u8981\u3068\u3044\u3046\u69cb\u9020\u7684\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u4f7f\u3046\u524d\u306e\u5348\u524d3\u6642\u306e\u58ca\u308c\u305f\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u306f\u898b\u3048\u305a\u3001\u30ed\u30b0\u30a4\u30f3\u304c\u5fc5\u8981\u306a\u30d5\u30ed\u30fc\u3067\u306f\u8a08\u6e2c\u4e0d\u53ef\u3067\u3001\u5341\u5206\u306a\u30e6\u30fc\u30b6\u30fc\u304c\u4f53\u9a13\u3057\u3066\u521d\u3081\u3066\u52a3\u5316\u3092\u8868\u9762\u5316\u3055\u305b\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.dotcom-monitor.com\/blog\/ja\/what-is-synthetic-monitoring\/\">\u5408\u6210\u76e3\u8996<\/a>\u306f\u3053\u308c\u3092\u9006\u8ee2\u3055\u305b\u305f\u30e2\u30c7\u30eb\u3067\u3001\u7ba1\u7406\u3055\u308c\u305f\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3067\u30b9\u30af\u30ea\u30d7\u30c8\u5316\u3055\u308c\u305f\u30c1\u30a7\u30c3\u30af\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306a\u3057\u3067\u5931\u6557\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3001\u9031\u6b21\u3067\u6bd4\u8f03\u53ef\u80fd\u306a\u304d\u308c\u3044\u306a\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u7279\u306bSPA\u3067\u306f\u3001\u5408\u6210\u30d6\u30e9\u30a6\u30b6\u30c1\u30a7\u30c3\u30af\u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3001API\u4f9d\u5b58\u3092\u30e6\u30fc\u30b6\u30fc\u3067\u306f\u306a\u304f\u3042\u306a\u305f\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3067\u30c6\u30b9\u30c8\u3059\u308b\u30ec\u30a4\u30e4\u30fc\u3067\u3059\u3002SPA\u3067\u306f\u30da\u30fc\u30b8\u30f3\u30b0\u30a2\u30e9\u30fc\u30c8\u3092\u5408\u6210\u3067\u8a2d\u5b9a\u3057\u3001\u8abf\u67fb\u30ec\u30a4\u30e4\u30fc\u3068\u3057\u3066RUM\u3092\u7dad\u6301\u3057\u307e\u3059\uff1aRUM\u306f\u4f55\u4eba\u306e\u5b9f\u30e6\u30fc\u30b6\u30fc\u304c\u3069\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u88ab\u5bb3\u3092\u53d7\u3051\u305f\u304b\u3092\u793a\u3057\u3001\u5408\u6210\u306f\u30ed\u30b0\u30a4\u30f3\u3001\u691c\u7d22\u3001\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u304c\u4eca\u58ca\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u8ab0\u3082\u4f7f\u3063\u3066\u3044\u306a\u304f\u3066\u3082\u7b54\u3048\u307e\u3059\u3002Google\u306eChrome 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