{"id":1956,"date":"2019-08-14T20:08:28","date_gmt":"2019-08-14T11:08:28","guid":{"rendered":"http:\/\/domore.co.jp\/speedcurve\/?p=1956"},"modified":"2022-09-06T00:04:48","modified_gmt":"2022-09-05T15:04:48","slug":"user-timing-and-custom-metrics","status":"publish","type":"post","link":"https:\/\/www.domore.co.jp\/speedcurve\/tech\/user-timing-and-custom-metrics\/","title":{"rendered":"\u30e6\u30fc\u30b6\u30fc\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306b\u3064\u3044\u3066"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">2015\u5e7411\u670812\u65e5\u6728\u66dc\u65e5<\/span><\/p>\n<p><img loading=\"lazy\" class=\"wp-image-1960 alignnone\" src=\"http:\/\/domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/steve-souders.424.jpg\" alt=\"\" width=\"45\" height=\"45\" srcset=\"https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/steve-souders.424.jpg 577w, https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/steve-souders.424-150x150.jpg 150w, https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/steve-souders.424-300x300.jpg 300w, https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/steve-souders.424-60x60.jpg 60w, https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/steve-souders.424-120x120.jpg 120w\" sizes=\"(max-width: 45px) 100vw, 45px\" \/>Steve Souders<\/p>\n<p><span style=\"font-weight: 400;\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6539\u5584\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u8a08\u6e2c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u4f55\u3092\u8a08\u6e2c\u3059\u3079\u304d\u3067\u3057\u3087\u3046\u304b\uff1f<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u696d\u754c\u3067\u6700\u3082\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u6307\u6a19\u306f<\/span><b>\u300cpage load time\u300d<\/b><span style=\"font-weight: 400;\">\uff08\u4f8b\u3068\u3057\u3066\u300cwindow.onload\u300d\u3084\u300cdocument complete\u300d\uff09\u3067\u3059\u3002 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Web 1.0\u6642\u4ee3\u306f\u3001\u30da\u30fc\u30b8\u304c\u30b7\u30f3\u30d7\u30eb\u3060\u3063\u305f\u305f\u3081\u3001\u8aad\u307f\u8fbc\u307f\u6642\u9593\u306f\u5404\u30e6\u30fc\u30b6\u30fc\u304c\u65b0\u3057\u3044Web\u30da\u30fc\u30b8\uff08\u8907\u6570\u30da\u30fc\u30b8\u306e\u30b5\u30a4\u30c8\uff09\u3092\u8aad\u307f\u8fbc\u3093\u3060\u3068\u304d\u306eUX\uff08\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\uff09\u3068\u307b\u307c\u540c\u3058\u3067\u3057\u305f\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u3057\u304b\u3057\u3001Web 2.0\u3068SPA\uff08\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff09\u306e\u6642\u4ee3\u306b\u306f\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u306f\u3001\u3082\u306f\u3084\u30e6\u30fc\u30b6\u30fc\u304c\u898b\u3066\u3044\u308b\u3082\u306e\u3068\u306f\u9055\u3063\u305f\u3082\u306e\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3044\u3044\u4f8b\u3068\u3057\u3066<\/span><a href=\"http:\/\/www.stevesouders.com\/blog\/2013\/05\/13\/moving-beyond-window-onload\/\"><span style=\"font-weight: 400;\">Gmail\u3068Amazon<\/span><\/a><span style=\"font-weight: 400;\">\u3092\u6bd4\u8f03\u3059\u308b\u3068\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u3053\u3053\u6570\u5e74\u3067\u3001Start render\u3084<\/span><a href=\"https:\/\/sites.google.com\/a\/webpagetest.org\/docs\/using-webpagetest\/metrics\/speed-index\"><span style=\"font-weight: 400;\">Speed Index<\/span><\/a><span style=\"font-weight: 400;\">\u306a\u3069\u3001Page load time\u3068\u95a2\u9023\u3059\u308b\u6307\u6a19\u306e\u4eba\u6c17\u304c\u9ad8\u307e\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u6307\u6a19\u306f\u6b20\u70b9\u3092\u62b1\u3048\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u305d\u306e\u30da\u30fc\u30b8\u3067\u3082\u3063\u3068\u3082\u95a2\u5fc3\u304c\u3042\u308b\u5185\u5bb9\u304c\u4f55\u304b\u5206\u304b\u3089\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/span><\/p>\n<p><b><i>\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u3059\u3079\u3066\u540c\u3058\u3001\u3068\u8a55\u4fa1\u3059\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19\u306f\u3044\u3044\u6307\u6a19\u3067\u306f\u306a\u3044\u3002<\/i><\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30da\u30fc\u30b8\u5185\u306e\u3059\u3079\u3066\u306b\u7b49\u3057\u3044\u4fa1\u5024\u3092\u6301\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u4ee3\u308f\u308a\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u5546\u54c1\u30a4\u30e1\u30fc\u30b8\u3084\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc\u306a\u3069\u3001\u30da\u30fc\u30b8\u5185\u306e1\u3064\u3001\u307e\u305f\u306f\u8907\u6570\u306e\u91cd\u5927\u306a\u30c7\u30b6\u30a4\u30f3\u8981\u7d20\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002\u512a\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u63a2\u3059\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u91cd\u8981\u3068\u3059\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u5f85\u3064\u6642\u9593\u3092\u8a08\u6e2c\u3057\u3066\u307f\u308b\u3053\u3068\u3067\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u81ea\u8eab\u306f\u3069\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u91cd\u8981\u304b\u308f\u304b\u308a\u307e\u305b\u3093\u3002\u30b5\u30a4\u30c8\u30aa\u30fc\u30ca\u30fc\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19\u3092\u305d\u306e\u5834\u6240\u306b\u9069\u5207\u306b\u7f6e\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u306b\u306f\u3001<\/span><b>\u30e6\u30fc\u30b6\u30fc\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u4f5c\u6210\u3059\u308b<\/b><span style=\"font-weight: 400;\">\u3053\u3068\u304c\u5fc5\u8981\u3067\u3059\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u30e6\u30fc\u30b6\u30fc\u30bf\u30a4\u30df\u30f3\u30b0\u4ed5\u69d8<\/span><\/h3>\n<p><a href=\"http:\/\/www.w3.org\/TR\/user-timing\/\"><span style=\"font-weight: 400;\">W3C User Timing<\/span><\/a><span style=\"font-weight: 400;\">\u4ed5\u69d8\u3067\u306f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306eAPI\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002 \u3053\u308c\u306f\u3001performance.mark\u3068performance.measure\u3068\u3044\u30462\u3064\u306e\u4e3b\u8981\u6a5f\u80fd\u3092\u4ecb\u3057\u3066\u884c\u308f\u308c\u307e\u3059\u3002<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><a href=\"http:\/\/www.w3.org\/TR\/user-timing\/#dom-performance-mark\"><span style=\"font-weight: 400;\">performance.mark<\/span><\/a><span style=\"font-weight: 400;\">\u306f\u3001navigationStart\u304b\u3089\u306e\u6642\u9593\uff08\u30df\u30ea\u79d2\u5358\u4f4d\uff09\u3092\u8a18\u9332\u3057\u307e\u3059\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\"><a href=\"http:\/\/www.w3.org\/TR\/user-timing\/#dom-performance-measure\"><span style=\"font-weight: 400;\">performance.measure<\/span><\/a><span style=\"font-weight: 400;\">\u306f2\u3064\u306e\u30de\u30fc\u30af\u306e\u9593\u306b\u30c7\u30eb\u30bf\u3092\u8a18\u9332\u3057\u307e\u3059<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u307b\u304b\u306b<\/span><b>User Timing API<\/b><span style=\"font-weight: 400;\">\u3082\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30de\u30fc\u30af\u3068\u8a08\u6e2c\u304c\u4e3b\u306a\u6a5f\u80fd\u3067\u3059\u3002 \u81ea\u793e\u30da\u30fc\u30b8\u304c\u30de\u30fc\u30af\u3068\u8a08\u6e2c\u3067\u3044\u3063\u3071\u3044\u306a\u3089\u3001\u305d\u308c\u3089\u3092\u8ffd\u8de1\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u3069\u306e\u3088\u3046\u306b\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u96c6\u3081\u308b\u304b\u3068\u3044\u3046\u7591\u554f\u304c\u6cb8\u3044\u3066\u304d\u307e\u3059\u3002\u5e78\u3044\u306a\u3053\u3068\u306b\u30e6\u30fc\u30b6\u30fc\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u516c\u5f0f\u306eW3C\u4ed5\u69d8\u306a\u306e\u3067\u3001\u591a\u304f\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u81ea\u52d5\u7684\u306b\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u3053\u308c\u3089\u306e\u6307\u6a19\u3092\u62bd\u51fa\u3057\u3066\u30ec\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002 \u3053\u308c\u306f\u3001<\/span><span style=\"font-weight: 400;\">SOASTA\u306e <\/span><a href=\"http:\/\/www.soasta.com\/performance-monitoring\/\"><span style=\"font-weight: 400;\">mPulse<\/span><\/a><span style=\"font-weight: 400;\">\u3001<\/span><a href=\"http:\/\/www.webpagetest.org\/\"><span style=\"font-weight: 400;\">WebPageTest<\/span><\/a><span style=\"font-weight: 400;\">\u3001\u304a\u3088\u3073SpeedCurve\u306b\u5f53\u3066\u306f\u307e\u308a\u307e\u3059\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306e\u30b5\u30f3\u30d7\u30eb<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">User Timing API\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\u3001\u30de\u30fc\u30af\u3068\u8a08\u6e2c\u3092\u3044\u3064\u3069\u3053\u3067\u53d6\u5f97\u3067\u304d\u308b\u304b\u3092\u898b\u3064\u3051\u308b\u306e\u304c\u96e3\u3057\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u52d5\u4f5c\u306e\u8907\u96d1\u3055\u3001\u4e3b\u306b\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3068\u540c\u671f\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u89e3\u6790\u3068\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u539f\u56e0\u3067\u3059\u3002\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306b\u3001\u30ab\u30b9\u30bf\u30e0\u30fb\u30e1\u30c8\u30ea\u30c3\u30af\u306e\u4f8b\u3092\u3044\u304f\u3064\u304b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u30d6\u30e9\u30a6\u30b6\u4e92\u63db\u6027\u306b\u95a2\u3059\u308b\u7c21\u5358\u306a\u30e1\u30e2\uff1a\u30e6\u30fc\u30b6\u30fc\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u3001Safari\u4ee5\u5916\u306e\u307b\u3068\u3093\u3069\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002 \u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001\u30cd\u30a4\u30c6\u30a3\u30d6API\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30e9\u30a4\u30d6\u30b3\u30fc\u30c9\u306b\u304a\u3044\u3066\u306f\u4e92\u63db\u6027\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001<\/span><span style=\"font-weight: 400;\"> shim \u307e\u305f\u306fwrapper<\/span><span style=\"font-weight: 400;\">\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><a href=\"https:\/\/gist.github.com\/pmeenan\/5902672\"><span style=\"font-weight: 400;\">good polyfill<\/span><\/a><span style=\"font-weight: 400;\">\u306fPat Meenan\u306e\u30b5\u30a4\u30c8\u304b\u3089\u5165\u624b\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u203bPolyfill\u3068\u306f\u3001\u4e00\u7a2e\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3002\u300c\u6a19\u6e96\u3068\u306a\u3063\u305f\u30e1\u30bd\u30c3\u30c9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u3001\u81ea\u5206\u3067\u4f9b\u7d66\u3057\u3066\u3057\u307e\u3046\u65b9\u6cd5\u300d<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u4e8b\u4f8b\uff11\u3000\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306b\u3088\u308b\u30d6\u30ed\u30c3\u30af\u306e\u5b9f\u884c<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u8aad\u307f\u8fbc\u3080\u3068\u3001\u30da\u30fc\u30b8\u5168\u4f53\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304b\u3089\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u3068\u3001\u52d5\u7684\u306b\u8aad\u307f\u8fbc\u307e\u308c\u308b\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306b\u5f53\u3066\u306f\u307e\u308a\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u3001\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u304c\u3044\u3064\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u304b\u77e5\u3063\u3066\u304a\u3051\u3070\u3001\u306a\u305c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u8981\u6c42\u3088\u308a\u9045\u304f\u306a\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">1<br \/>\n<\/span><span style=\"font-weight: 400;\">2<br \/>\n<\/span><span style=\"font-weight: 400;\">3<br \/>\n<\/span><span style=\"font-weight: 400;\">4<br \/>\n5<\/span><\/td>\n<td>&lt;link rel=&#8221;stylesheet&#8221; href=&#8221;\/sheet1.css&#8221;&gt;<br \/>\n&lt;link rel=&#8221;stylesheet&#8221; href=&#8221;\/sheet4.css&#8221;&gt;<br \/>\n&lt;script&gt;<br \/>\nperformance.mark(&#8220;stylesheets done blocking&#8221;);<br \/>\n&lt;\/script&gt;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u3053\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u306e\u9375\u306f\u3001\u30da\u30fc\u30b8\u5185\u306e\u3059\u3079\u3066\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8LINK\u30bf\u30b0\u306e\u4e0b\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u304c\u30da\u30fc\u30b8\u306e\u4e0a\u90e8\u306b\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u5408\u7406\u7684\u306a\u8981\u4ef6\u3067\u3059\u3002\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u30a4\u30f3\u30e9\u30a4\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u4ee5\u524d\u306e\u3059\u3079\u3066\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u89e3\u6790\u3055\u308c\u3001\u30da\u30fc\u30b8\u306b\u9069\u7528\u3055\u308c\u308b\u307e\u3067\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002 \u3057\u305f\u304c\u3063\u3066\u3001LINK\u30bf\u30b0\u306e\u5f8c\u306b\u30a4\u30f3\u30e9\u30a4\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u914d\u7f6e\u3059\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u30d6\u30ed\u30c3\u30afCSS\u304c\u51e6\u7406\u3055\u308c\u305f\u5f8c\u306b\u30de\u30fc\u30af\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306b@import\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001sheet1.css\u306b\u3088\u3063\u3066sheet2.css\u3068sheet3.css\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3001\u89e3\u6790\u3055\u308c\u3001\u9069\u7528\u3055\u308c\u308b\u306a\u3069\u3001\u4ed6\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u304c\u53d6\u308a\u8fbc\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u3001\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u8ffd\u8de1\u3059\u308b\u3060\u3051\u3067\u306f\uff08\u30ea\u30bd\u30fc\u30b9\u30bf\u30a4\u30df\u30f3\u30b0\u306a\u3069\uff09\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002 \u305d\u3046\u3059\u308b\u3068\u3001\u6e2c\u5b9a\u5024\u304c\u77ed\u3059\u304e\u3066\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306e\u30d6\u30ed\u30c3\u30af\u306e\u5f71\u97ff\u304c\u904e\u5c0f\u8a55\u4fa1\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u512a\u308c\u305f\uff08\u9ad8\u901f\u306a\uff09\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u751f\u307f\u51fa\u3059\u306b\u306f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u3066\u3044\u308b\u3082\u306e\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/span><b> \u53ef\u80fd\u6027\u306e\u9ad8\u3044\u539f\u56e0\u306f\u3001\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3068\u540c\u671f\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3059<\/b><span style=\"font-weight: 400;\">\u304c\u3001\u9045\u5ef6\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u539f\u56e0\u3092\u660e\u78ba\u306b\u3059\u308b\u306e\u306f\u56f0\u96e3\u3067\u3059\u3002 &#8220;stylesheets done blocking&#8221;\u3068\u3044\u3046\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306f\u4fbf\u5229\u3067\u3059\u3002\u306a\u305c\u306a\u3089\u3001 &#8220;stylesheets done blocking&#8221;\u306e\u5f8c\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u3046\u307e\u304f\u52d5\u304f\u3068\u3001\u3053\u306e\u8abf\u67fb\u306f\u540c\u671f\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u7126\u70b9\u3092\u5f53\u3066\u308c\u3070\u3044\u3044\u308f\u3051\u3067\u3059\u3002\u3053\u308c\u306f\u6b21\u306e\u4f8b\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u4e8b\u4f8b\uff12\u3000\u30b9\u30af\u30ea\u30d7\u30c8\u30d6\u30ed\u30c3\u30af\u306e\u5b9f\u884c<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u540c\u671f\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u305d\u308c\u4ee5\u964d\u306e\u5168DOM\u8981\u7d20\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u306e\u3067\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u30fb\u30d6\u30ed\u30c3\u30af\u304c\u5b8c\u4e86\u3057\u305f\u6642\u70b9\u3092\u8abf\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002 \u3053\u306e\u6e2c\u5b9a\u5024\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">1<br \/>\n<\/span><span style=\"font-weight: 400;\">2<br \/>\n<\/span><span style=\"font-weight: 400;\">3<br \/>\n<\/span><span style=\"font-weight: 400;\">4<br \/>\n5<\/span><\/td>\n<td>&lt;script src=&#8221;a.js&#8221;&gt;&lt;\/script&gt;<br \/>\n&lt;script src=&#8221;b.js&#8221; async&gt;&lt;\/script&gt;<br \/>\n&lt;script&gt;<br \/>\nperformance.mark(&#8220;scripts done 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400;\">\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u4f8b\u306f\u3001HEAD\u306b\u540c\u671f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6301\u3064\u30da\u30fc\u30b8\u3067\u306e\u307f\u6709\u52b9\u3067\u3059\u3002 \u3053\u306e\u3088\u3046\u306a\u5236\u9650\u304c\u3042\u3063\u3066\u3082\u3001\u3053\u306e\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306f\u3001\u69cb\u6587\u89e3\u6790\u3084\u5b9f\u884c\u306e\u305f\u3081\u306b\u30d6\u30ed\u30c3\u30af\u30bf\u30a4\u30e0\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30bf\u30a4\u30e0\u3088\u308a\u3082\u9577\u3044\u5927\u304d\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6301\u3064\u30da\u30fc\u30b8\u306b\u975e\u5e38\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u7a2e\u985e\u306e\u30da\u30fc\u30b8\u306e\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u3092\u898b\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u7d42\u4e86\u3057\u307e\u3059\u304c\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u59cb\u307e\u308b\u307e\u3067\u306b\u306f\u307e\u3060\u9577\u3044\u30ae\u30e3\u30c3\u30d7\u304c\u3042\u308a\u307e\u3059\u3002 \u300c\u30b9\u30af\u30ea\u30d7\u30c8\u30d6\u30ed\u30c3\u30af\u306e\u5b9f\u884c\u300d\u30de\u30fc\u30af\u3092\u4ed8\u3051\u308b\u3068\u3001\u9577\u3044\u89e3\u6790\u6642\u9593\u3068\u5b9f\u884c\u6642\u9593\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d6\u30ed\u30c3\u30af\u306e\u539f\u56e0\u3068\u3057\u3066\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u4e8b\u4f8b\uff13\u3000\u30d5\u30a9\u30f3\u30c8\u306e\u8aad\u307f\u8fbc\u307f<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u307e\u3067\u3001\u4e00\u90e8\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u3001\u305d\u306e\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u4ed6\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30d5\u30a9\u30f3\u30c8\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3001\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30f3\u30c8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u3068\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\uff08\u300c\u30d5\u30e9\u30c3\u30b7\u30e5\u300d\uff09\u3055\u308c\u307e\u3059\u3002 \u3064\u307e\u308a\u300c\u30d5\u30a9\u30f3\u30c8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u305f\u300d\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u8981\u7d20\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u3068\u304d\u3092\u793a\u3059\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u73fe\u5728\u3001\u30d5\u30a9\u30f3\u30c8\u306e &#8220;onload&#8221;\u306e\u30a4\u30d9\u30f3\u30c8\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u3057\u304b\u3057\u3001\u30d5\u30a9\u30f3\u30c8\u3092\u89b3\u5bdf\u3057\u30ed\u30fc\u30c9\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u6c7a\u5b9a\u3059\u308b\u6280\u8853\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30d5\u30a3\u30e9\u30e1\u30f3\u30c8\u30b0\u30eb\u30fc\u30d7\u306eScott Jehl\u306b\u3088\u308b<\/span><a href=\"https:\/\/www.filamentgroup.com\/lab\/font-events.html\"><span style=\"font-weight: 400;\">\u30d5\u30a9\u30f3\u30c8\u30a4\u30d9\u30f3\u30c8<\/span><\/a><span style=\"font-weight: 400;\">\u3067\u518d\u8aad\u307f\u8fbc\u307f\u3055\u308c\u305f<\/span><a href=\"https:\/\/www.filamentgroup.com\/lab\/font-events.html\"><span style=\"font-weight: 400;\">Font Loading<\/span><\/a><span style=\"font-weight: 400;\">\u3084\u3001Typekit\u3084Google\u30d5\u30a9\u30f3\u30c8\u3067\u4f7f\u7528\u3055\u308c\u308b<\/span><a href=\"https:\/\/github.com\/typekit\/webfontloader#events\"><span style=\"font-weight: 400;\">Web Font Loader<\/span><\/a><span style=\"font-weight: 400;\">\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u3089\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d5\u30a9\u30f3\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u5b8c\u4e86\u3057\u305f\u3053\u3068\u3092\u8ffd\u8de1\u3057\u3001\u305d\u306e\u6642\u70b9\u3067 &#8220;font loaded&#8221;\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306eperformance.mark\u306e\u547c\u3073\u51fa\u3057\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u4e8b\u4f8b\uff14\u3000\u30d2\u30fc\u30ed\u30fc\u30a4\u30e1\u30fc\u30b8<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u300c\u30d2\u30fc\u30ed\u30fc\u30a4\u30e1\u30fc\u30b8\u300d\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u304a\u3044\u3066\u3001\u30da\u30fc\u30b8\u5185\u3067\u6700\u3082\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002 <\/span><a href=\"http:\/\/www.stevesouders.com\/blog\/2015\/05\/12\/hero-image-custom-metrics\/\"><span style=\"font-weight: 400;\">Hero Image Custom Metrics<\/span><\/a><span style=\"font-weight: 400;\">\u306e\u8a18\u4e8b\u3067\u306f\u3001\u753b\u50cf\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u306b\u6e2c\u5b9a\u3059\u308b\u753b\u671f\u7684\u306a\u624b\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002 \u30b9\u30cb\u30da\u30c3\u30c8\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">1<br \/>\n<\/span><span style=\"font-weight: 400;\">2<br \/>\n<\/span><span style=\"font-weight: 400;\">3<br \/>\n<\/span><span style=\"font-weight: 400;\">4<br \/>\n5<br \/>\n6<\/span><\/td>\n<td>&lt;img src=&#8221;hero.jpg&#8221; onload=&#8221;performance.clearMarks(&#8216;img displayed&#8217;);<br \/>\nperformance.mark(&#8216;img displayed&#8217;);&#8221;&gt;<br \/>\n&lt;script&gt;<br \/>\nperformance.clearMarks(&#8220;img displayed&#8221;);<br \/>\nperformance.mark(&#8220;img displayed&#8221;);<br \/>\n&lt;\/script&gt;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u753b\u671f\u7684\u306a\u306e\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u30fb\u30aa\u30f3\u30ed\u30fc\u30c9\u30fb\u30de\u30fc\u30af\u3068\u30a4\u30f3\u30e9\u30a4\u30f3\u30fb\u30b9\u30af\u30ea\u30d7\u30c8\u30fb\u30de\u30fc\u30af\u306e\u3046\u3061\u5927\u304d\u3044\u65b9\u3092\u53d6\u308b\u3053\u3068\u3067\u3059\u3002 \u3053\u308c\u306f\u3001\u753b\u50cf\u304c\u5b9f\u969b\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u3068\u304d\u3092\u6b63\u78ba\u306b\u6355\u6349\u3057\u307e\u3059\u3002 \u30a4\u30e1\u30fc\u30b8\u306e\u30ed\u30fc\u30c9\u30de\u30fc\u30af\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306b\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30ea\u30bd\u30fc\u30b9\u3088\u308a\u3082\u6642\u9593\u304c\u304b\u304b\u308b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u3092\u53cd\u6620\u3057\u307e\u3059\u3002 \u30a4\u30f3\u30e9\u30a4\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u30de\u30fc\u30af\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u304c\u3059\u3050\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u308b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u3092\u53cd\u6620\u3057\u307e\u3059\u304c\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3068\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u307e\u305b\u3093\u3002 \u591a\u304f\u306e\u5834\u5408\u3001\u30da\u30fc\u30b8\u5185\u306e\u6700\u3082\u91cd\u8981\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u306f\u30a4\u30e1\u30fc\u30b8\u304c\u542b\u307e\u308c\u308b\u305f\u3081\u3001\u3053\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u306f\u3055\u307e\u3056\u307e\u306a\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u4e8b\u4f8b\uff15\u3000\u30c6\u30ad\u30b9\u30c8\u306e\u6bb5\u843d<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u610f\u5916\u306a\u3053\u3068\u306b\u3001\u6700\u3082\u56f0\u96e3\u306a\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306e1\u3064\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u304c\u3044\u3064\u8868\u793a\u3055\u308c\u308b\u304b\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002 \u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3084\u540c\u671f\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u3088\u3063\u3066\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u3053\u3068\u306b\u52a0\u3048\u3066\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30c6\u30ad\u30b9\u30c8\u8981\u7d20\uff08P\u3001SPAN\u3001LI\u3001DIV\u306a\u3069\uff09\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304b\u3089\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u30c6\u30ad\u30b9\u30c8\u8981\u7d20\u304c\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u306a\u3044\u5834\u5408\u3001\u30c6\u30ad\u30b9\u30c8\u8981\u7d20\u306e\u5f8c\u308d\u306b\u30a4\u30f3\u30e9\u30a4\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7f6e\u304f\u3060\u3051\u3067\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u6642\u9593\u304c\u53d6\u5f97\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">1<br \/>\n<\/span><span style=\"font-weight: 400;\">2<br \/>\n<\/span><span style=\"font-weight: 400;\">3<br \/>\n<\/span><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;p&gt;This is the call to action text element.&lt;\/p&gt;<br \/>\n<\/span><span style=\"font-weight: 400;\">&lt;script&gt;<br \/>\n<\/span><span style=\"font-weight: 400;\">performance.mark(&#8220;text displayed&#8221;);<br \/>\n<\/span><span style=\"font-weight: 400;\">&lt;\/script&gt;<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30c6\u30ad\u30b9\u30c8\u304c\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u306f\u30a4\u30f3\u30e9\u30a4\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30de\u30fc\u30af\u3068\u30d5\u30a9\u30f3\u30c8\u30ed\u30fc\u30c9\u30de\u30fc\u30af\u306e\u6700\u5927\u5024\u3067\u3059\uff08\u524d\u306e\u4f8b\u3092\u53c2\u7167\uff09\u3002 \u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001\u300c\u30c6\u30ad\u30b9\u30c8\u8868\u793a\u300d\u30922\u56de\u8a18\u9332\u3059\u308b\u30d2\u30fc\u30ed\u30fc\u30a4\u30e1\u30fc\u30b8\u306b\u4f3c\u305f\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u30021\u56de\u306f\u30d5\u30a9\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u30b9\u30cb\u30da\u30c3\u30c8\u3067\u3001\u3082\u30461\u5ea6\u306f\u30c6\u30ad\u30b9\u30c8\u8981\u7d20\u306e\u5f8c\u306e\u30a4\u30f3\u30e9\u30a4\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u884c\u3044\u307e\u3059\u3002 \u3055\u3089\u306b\u3001\u65b0\u3057\u3044\u30de\u30fc\u30af\u3092\u8a2d\u5b9a\u3059\u308b\u524d\u306b\u540c\u3058\u540d\u524d\u306e\u4ee5\u524d\u306e\u30de\u30fc\u30af\u3092\u30af\u30ea\u30a2\u3057\u3001\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u305f\u3068\u304d\u306b\u9069\u5207\u306b\u53cd\u6620\u3055\u308c\u308b2\u3064\u306e\u5024\u306e\u6700\u5927\u5024\u3092\u78ba\u5b9f\u306b\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n<h3><span style=\"font-weight: 400;\">\u4e8b\u4f8b6\u3000\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u30e1\u30c8\u30ea\u30c3\u30af\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u306e\u6b20\u70b9\u306e1\u3064\u306f\u3001\u5358\u4e00\u306e\u30da\u30fc\u30b8\u30a2\u30d7\u30ea(SPA\uff1a\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea)\u5185\u3067\u306e\u30e6\u30fc\u30b6\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u6e2c\u5b9a\u3057\u306a\u3044\u3053\u3068\u3067\u3059\u3002onload\u306f1\u56de\u3060\u3051\u8d77\u52d5\u3057\u307e\u3059\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u8907\u6570\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u3092\u6e2c\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059 \u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306f\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3059\u304c\u3001\u9069\u5207\u306a\u958b\u59cb\u6642\u523b\u3092\u4f5c\u6210\u3059\u308b\u3068\u3044\u3046\u8cac\u4efb\u3092\u8ca0\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3001\u300c\u66f4\u65b0\u300d\u30dc\u30bf\u30f3\u304c\u3042\u308bSPA\u3092\u898b\u3064\u3051\u307e\u3059\u3002 \u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306bXHR\u307e\u305f\u306fJSON\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u8d77\u52d5\u3057\u307e\u3059\u3002 \u8fd4\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u3001DOM\u3092\u5909\u66f4\u3059\u308bupdateData()\u95a2\u6570\u306b\u6e21\u3055\u308c\u307e\u3059\u3002 \u3053\u306eSPA\u30e6\u30fc\u30b6\u30fc\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u6e2c\u5b9a\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">1<br \/>\n<\/span><span style=\"font-weight: 400;\">2<br \/>\n<\/span><span style=\"font-weight: 400;\">3<br \/>\n<\/span><span style=\"font-weight: 400;\">4<br \/>\n5<br \/>\n6<br \/>\n7<br \/>\n8<br \/>\n9<br \/>\n10<br \/>\n11<br \/>\n12<br \/>\n13<br \/>\n14<\/span><\/td>\n<td>&lt;input type=button\u3000value=&#8221;Update&#8221;\u3000onclick=&#8221;fetchData()&#8221;&gt;<br \/>\n&lt;script&gt;<br \/>\nfunction fetchData() {<br \/>\nperformance.clearMarks(&#8220;start update&#8221;);<br \/>\nperformance.mark(&#8220;start update&#8221;);<br \/>\n\/\/ Do an XHR or JSON request that calls updateData()<br \/>\nwith the new data.}<br \/>\nfunction updateData(data) {<br \/>\n\/\/ Update the DOM with the new data.<br \/>\nperformance.clearMarks(&#8220;finish update&#8221;);<br \/>\nperformance.mark(&#8220;finish update&#8221;);<br \/>\nperforance.measure(&#8220;update data&#8221;, &#8220;start update&#8221;, &#8220;finish<br \/>\nupdate&#8221;);}<br \/>\n&lt;\/script&gt;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u300c\u66f4\u65b0\u958b\u59cb\u300d\u306e\u30de\u30fc\u30af\u306fSPA\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u6700\u521d\u306eJavaScript\u3067\u3042\u308a\u3001\u300c\u66f4\u65b0\u7d42\u4e86\u300d\u306fSPA\u30a2\u30af\u30b7\u30e7\u30f3\u3067\u6700\u5f8c\u306b\u5b9f\u884c\u3055\u308c\u305fJavaScript\u306a\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u3053\u308c\u306b\u3088\u308a\u3001XHR\u3084JSON\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3084DOM\u306e\u66f4\u65b0\u306a\u3069\u3001SPA\u30a2\u30af\u30b7\u30e7\u30f3\u5168\u4f53\u304c\u78ba\u5b9f\u306b\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u3002 \u307e\u305f\u3001\u521d\u3081\u3066performance.measure\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3082\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u3053\u308c\u306f\u3001navigationStart\u4ee5\u5916\u306e\u958b\u59cb\u6642\u523b\u306b\u76f8\u5bfe\u7684\u306a\u30c7\u30eb\u30bf\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<h3>SpeedCurve\u306e\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u30b9<\/h3>\n<p><span style=\"font-weight: 400;\">\u30e6\u30fc\u30b6\u30fc\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u306e\u5927\u304d\u306a\u5229\u70b9\u306f\u3001\u591a\u304f\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e1\u30c8\u30ea\u30c3\u30af\u30b5\u30fc\u30d3\u30b9\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30bf\u30a4\u30df\u30f3\u30b0\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u8868\u793a\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u30bf\u30a4\u30df\u30f3\u30b0\u30de\u30fc\u30af\u3068\u6307\u6a19\u304c\u81ea\u52d5\u7684\u306b\u62bd\u51fa\u3055\u308c\u308b\u3053\u3068\u3067\u3059\u3002 WebPageTest\u306f\u3053\u308c\u3092\u884c\u3063\u3066\u304a\u308a\u3001SpeedCurve\u306fWebPageTest\u306e\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u540c\u69d8\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">SpeedCurve\u3067\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u8a2d\u5b9a\u306b\u540d\u524d\u3092\u4ed8\u3051\u307e\u3059\u3002 speedcurve.com\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u306f\u3001\u300cheromark\u300d\u3068\u3044\u3046\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d2\u30fc\u30ed\u30fc\u30a4\u30e1\u30fc\u30b8\uff08\u901a\u5e38\u306f\u30da\u30fc\u30b8\u4e0a\u90e8\u306e\u56f3\uff09\u304c\u3044\u3064\u8868\u793a\u3055\u308c\u308b\u304b\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002 \u8a2d\u5b9a\u306e\u4e0b\u306b\u3042\u308b\u30d5\u30a9\u30fc\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u300cHero Mark\u300d\u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1957\" src=\"http:\/\/domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-settings.png\" alt=\"\" width=\"441\" height=\"327\" srcset=\"https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-settings.png 441w, https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-settings-300x222.png 300w\" sizes=\"(max-width: 441px) 100vw, 441px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">SpeedCurve\u8a2d\u5b9a\u306b\u8907\u6570\u306e\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002 \u4e00\u90e8\u306e\u30da\u30fc\u30b8\u306b\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u8a2d\u5b9a\u3055\u308c\u305f\u30de\u30fc\u30af\u3084\u30e1\u30b8\u30e3\u30fc\u3092\u542b\u3080\u591a\u6570\u306e\u30de\u30fc\u30af\u3068\u30e1\u30b8\u30e3\u30fc\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u6700\u3082\u91cd\u8981\u306a\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u3060\u3051\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306f\u3001\u3055\u307e\u3056\u307e\u306aSpeedCurve\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u30b5\u30a4\u30c8\u306e\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u306f\u3001\u30d2\u30fc\u30ed\u30fc\u30de\u30fc\u30af\u306e\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306e\u30c8\u30ec\u30f3\u30c9\u30e9\u30a4\u30f3\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-large wp-image-1958\" src=\"http:\/\/domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-site-1024x540.png\" alt=\"\" width=\"1024\" height=\"540\" srcset=\"https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-site-1024x540.png 1024w, https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-site-300x158.png 300w, https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-site-768x405.png 768w, https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-site.png 1062w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u30c1\u30e3\u30fc\u30c8\u3067\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u304c\u9069\u5207\u306a\u3082\u306e\u3092\u6e2c\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u300c\u30c7\u30d0\u30c3\u30b0\u300d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001speedcurve.com\u306e\u4e0b\u306e\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u3067\u306f\u3001\u524d\u8ff0\u306e\u3059\u3079\u3066\u306e\u30b9\u30af\u30ea\u30d7\u30c8\uff08\u30aa\u30ec\u30f3\u30b8\u8272\uff09\u3068\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\uff08\u7dd1\u8272\uff09\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u308b\u307e\u3067\u3001\u300c\u30d2\u30fc\u30ed\u30fc\u30de\u30fc\u30af\u300d\u306e\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002 \u4e0b\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30d2\u30fc\u30ed\u30fc\u30a4\u30e1\u30fc\u30b8\uff08\u30b0\u30e9\u30d5\uff09\u304c\u5b9f\u969b\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1959\" src=\"http:\/\/domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-waterfall.png\" alt=\"\" width=\"734\" height=\"406\" srcset=\"https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-waterfall.png 734w, https:\/\/www.domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/custom-metric-waterfall-300x166.png 300w\" sizes=\"(max-width: 734px) 100vw, 734px\" \/><\/p>\n<p>\u3042\u306a\u305f\u307b\u3069\u3001\u3042\u306a\u305f\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u3088\u304f\u77e5\u3063\u3066\u3044\u308b\u4eba\u306f\u3044\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001<strong>\u81ea\u5206\u3068\u30e6\u30fc\u30b6\u30fc\u304c\u6700\u3082\u95a2\u5fc3\u3092\u6301\u3064\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6e2c\u5b9a\u3059\u308b\u30ab\u30b9\u30bf\u30e0\u30fb\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u91cd\u8981<\/strong>\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5408\u6210\uff08\u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\uff09\u3068RUM\u306e\u4e21\u65b9\u3067\u7d4c\u9a13\u3057\u3066\u3044\u308b\u3053\u3068\u306e\u901f\u5ea6\u3092\u8ffd\u8de1\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><span style=\"font-weight: 400;\">\u3054\u8cea\u554f\u3084\u304a\u554f\u5408\u305b\u306f\u3001<\/span><a href=\"mailto:speedcurve@domore.co.jp\"><span style=\"font-weight: 400;\">speedcurve@domore.co.jp<\/span><\/a>\u00a0<span style=\"font-weight: 400;\">\u307e\u3067\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3057\u307e\u3059\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"2015\u5e7411\u670812\u65e5\u6728\u66dc\u65e5 Steve Souders \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6539\u5584\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u8a08\u6e2c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u4f55\u3092\u8a08\u6e2c\u3059\u3079\u304d\u3067\u3057\u3087\u3046\u304b\uff1f \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u696d\u754c\u3067\u6700\u3082\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u6307\u6a19\u306f\u300cpage load  [&hellip;]","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"_links":{"self":[{"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/posts\/1956"}],"collection":[{"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/comments?post=1956"}],"version-history":[{"count":1,"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/posts\/1956\/revisions"}],"predecessor-version":[{"id":2650,"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/posts\/1956\/revisions\/2650"}],"wp:attachment":[{"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/media?parent=1956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/categories?post=1956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/tags?post=1956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}