{"id":451,"date":"2018-06-26T17:46:44","date_gmt":"2018-06-26T08:46:44","guid":{"rendered":"http:\/\/domore.co.jp\/speedcurve\/?p=451"},"modified":"2019-08-01T14:11:02","modified_gmt":"2019-08-01T05:11:02","slug":"understanding-metrics-6","status":"publish","type":"post","link":"https:\/\/www.domore.co.jp\/speedcurve\/metric\/understanding-metrics-6\/","title":{"rendered":"SpeedCurve\u304c\u6271\u3046\u30c6\u30b9\u30c8\u7d50\u679c\u306e\u6307\u6a19\u306b\u3064\u3044\u3066"},"content":{"rendered":"

SpeedCurve\u304c\u6271\u3046\u30c6\u30b9\u30c8\u7d50\u679c\u306e\u6307\u6a19\u306b\u3064\u3044\u3066\u3000\u3010\u521d\u7d1a\u3011<\/strong><\/h1>\n

2019.8.1 \u66f4\u65b0<\/h3>\n

\u76ee\u7684\uff1aSynthetic\u304a\u3088\u3073LUX\uff08 Real User Monitoring\uff09\u3067\u4f7f\u3046\u8a08\u6e2c\u6307\u6a19\u306e\u7528\u8a9e\u96c6\u3067\u3059\u3002SpeedCurve\u3067\u306f\u3001UX\u3092\u4e2d\u5fc3\u306b\u91cd\u8981\u8996\u3057\u3066\u3044\u308b\u6307\u6a19\u306b\u3064\u3044\u3066\u3002<\/span><\/h3>\n

\"Steve<\/p>\n

Written by\u00a0Steve Souders<\/span><\/p>\n

SpeedCurve\u306e \u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\u30fb\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068Real User Monitoring\uff08RUM\uff09\u3067\u306f\u3001\u6a19\u6e96\u3067\u7528\u610f\u3055\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30fb\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u5229\u7528\u3057\u305f\u308a\u3001\u72ec\u81ea\u306b\u4f5c\u308b\u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30c3\u30af\u306e\u4f5c\u6210\u3092\u9078\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n

\u30e6\u30fc\u30b6\u30fc\u304c\u6c17\u306b\u304b\u3051\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u6307\u6a19(\u30e1\u30c8\u30ea\u30c3\u30af\uff09\u5b9a\u7fa9\u3092\u4e0b\u8a18\u3067\u8aac\u660e\u3057\u307e\u3059\u304c\u3001\u4e3b\u306b\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u95a2\u9023\u3059\u308b\u6307\u6a19\u3067\u3059\u3002<\/span><\/p>\n

SpeedCurve \u306e \u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\u30fb\u30c6\u30b9\u30c8\u306f\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308bWebPageTest\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u3066\u304a\u308a\u3001WebPageTest\u3067\u4f7f\u7528\u3059\u308b \u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\u30fb<\/span>\u30e1\u30c8\u30ea\u30c3\u30af<\/b>\u3068\u540c\u3058\u3067\u3059\u3002 \u307e\u305fSpeedCurve \u306e \u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\u30fb\u30c6\u30b9\u30c8\u3067\u306f\u3001\u72ec\u81ea\u306e<\/span>Hero Rendering Times<\/b>\u306e\u30e1\u30c8\u30ea\u30c3\u30af\u3082\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/span><\/p>\n

SpeedCurve LUX\uff08RUM\uff09\u306f\u3001\u4e00\u822c\u7684\u306a\u30ea\u30a2\u30eb\u30e6\u30fc\u30b6\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff08RUM\uff09\u30e1\u30c8\u30ea\u30c3\u30af\u3068\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u30bf\u30a4\u30e0\uff08<\/span>\u6b21\u306e<\/span><\/a>\u5165\u529b<\/span><\/a>\u304c<\/span>\u53ef\u80fd\u306b\u306a\u308b<\/span><\/a>\u307e\u3067\u306e\u6642\u9593<\/span><\/a>\uff09\u306e\u3088\u3046\u306a\u30e6\u30cb\u30fc\u30af\u306a\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/span><\/p>\n

Backend \uff0f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3000<\/strong>\uff08 \u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af<\/span>\u30fb<\/span>LUX\uff09<\/strong><\/h2>\n

\u300c\u30d5\u30a1\u30fc\u30b9\u30c8\u30d0\u30a4\u30c8\u300d\u3068\u3082\u547c\u3073\u307e\u3059\u3002Backend\u306f\u3001\u6700\u521d\u306e\u64cd\u4f5c\u958b\u59cb\u304b\u3089\u3001HTML\u30da\u30fc\u30b8\u306e\u30d5\u30a1\u30fc\u30b9\u30c8\u30d0\u30a4\u30c8\u304c\u30d6\u30e9\u30a6\u30b6\uff08\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u305f\u5f8c\uff09\u3067\u53d7\u4fe1\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3067\u3059\u3002\u901a\u5e38\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u51e6\u7406\u306e\u305f\u3081\u306e\u5927\u534a\u304c\u542b\u307e\u308c\u3001<\/span>DNS\u306e\u89e3\u6c7a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u691c\u7d22\u3001\u30ea\u30e2\u30fc\u30c8Web\u30b5\u30fc\u30d3\u30b9\u306e\u30b3\u30fc\u30eb\u3001HTML\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306a\u3069\u304c\u3001\u8a72\u5f53\u3057\u307e\u3059\u3002<\/b>
\n<\/b>Backend\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067HTML\u3092\u751f\u6210\u3057\u3001\u305d\u308c\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u914d\u4fe1\u3059\u308b\u305f\u3081\u306b\u304b\u304b\u308b\u6642\u9593\u3068\u3001\u307b\u307c\u8fd1\u4f3c\u5024\u3067\u3059\u3002\u30c9\u30fc\u30e2\u3067\u306f\u30011\u79d2\u4ee5\u5185\u306e\u8868\u793a\u3092\u76ee\u6a19\u5024\u3068\u3057\u307e\u3059\u3002<\/span><\/p>\n

 <\/p>\n

Start Render\uff0f\u30b9\u30bf\u30fc\u30c8\u30ec\u30f3\u30c0\u30fc\u3000\uff08 \u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\u30fbLUX\uff09<\/strong><\/h2>\n

StartRender(\u30b9\u30bf\u30fc\u30c8\u30ec\u30f3\u30c0\u30fc\uff09<\/strong>\u306f\u3001\u64cd\u4f5c\u3092\u59cb\u3081\u3066\u767d\u3044\u30d6\u30e9\u30f3\u30af\u304b\u3089\u6700\u521d\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u30d6\u30e9\u30a6\u30b6\u306b\u63cf\u753b\u3055\u308c\u308b\u307e\u3067\u306e\u6e2c\u5b9a\u5024\u3067\u3059\u3002<\/span>
\n<\/span>\u30da\u30fc\u30b8\u4e0a\u306b\u3042\u308bCSS\u3084\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0JS\u306f\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u524d\u306b\u30d6\u30e9\u30a6\u30b6\u30fc\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u89e3\u6790\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span>
\n<\/span> \u3053\u308c\u306f<\/span>critical rendering path<\/span><\/a>\uff08\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d1\u30b9\uff09<\/b>\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002<\/span>Start Render\u306f\u3001<\/span>\u30b9\u30af\u30ea\u30fc\u30f3\u4e0a\u306b\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306b\u30e6\u30fc\u30b6\u30fc\u304c\u3069\u308c\u304f\u3089\u3044\u9577\u304f\u5f85\u305f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u304b\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u3001\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u30c9\u30fc\u30e2\u3067\u306f\u30012.0 \u79d2\u307e\u3067\u306e\u8868\u793a\u3092\u76ee\u6a19\u3068\u3057\u307e\u3059\u3002<\/span><\/p>\n

 <\/p>\n

Fully Loaded\uff0f\u30d5\u30ea\u30fc\u30ed\u30fc\u30c9\uff08 \u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\uff09<\/strong><\/h2>\n

Fully Loaded(\u30d5\u30ea\u30fc\u30ed\u30fc\u30c9\uff09\u306f\u3001\u6700\u521d\u306e\u64cd\u4f5c\u958b\u59cb\u304b\u3089Document Complete\u5f8c\u306b\u30012\u79d2\u9593\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u306a\u3044\u72b6\u614b\u307e\u3067\u306e\u6642\u9593\u3068\u3057\u3066\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u3002 \u3053\u3053\u3067\u306f\u30e1\u30a4\u30f3\u30da\u30fc\u30b8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u305f\u5f8c\u306bJavaScript\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306a\u3069\u306e\u52d5\u304d\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/span><\/p>\n

 <\/p>\n

Page Load\uff0f\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u3000\uff08 \u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af<\/span>\u30fbLUX\uff09<\/strong><\/h2>\n

Page Load(\u30da\u30fc\u30b8\u30ed\u30fc\u30c9 \u4ee5\u4e0b\u3000Page Load)\u306f\u3001\u64cd\u4f5c\u306e\u958b\u59cb\u304b\u3089<\/span>window load event (onload)<\/span>\u306e\u958b\u59cb\u307e\u3067\u306e\u6642\u9593\u3092\u6e2c\u5b9a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/span>
\n<\/span>Page Load\u306f\u4fbf\u5229\u306a\u30e1\u30c8\u30ea\u30c3\u30af\u3067\u3059\u304c\u3001\u30da\u30fc\u30b8\u306e\u69cb\u7bc9\u65b9\u6cd5\u306b\u3088\u3063\u3066\u306f\u3001\u307e\u3063\u305f\u304f\u9055\u3046\u7d50\u679c\u3068\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002Page Load\u306f\u3001\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u3001\u30da\u30fc\u30b8\u64cd\u4f5c\u304c\u3067\u304d\u308b\u307e\u3067\u3092\u6b63\u3057\u304f\u8868\u3059\u3068\u306f\u9650\u3089\u306a\u3044\u306e\u3067\u3059\u3002<\/span>
\n<\/span>\u6b8b\u5ff5\u306a\u3053\u3068\u306b\u3001\u591a\u304f\u306e\u7d44\u7e54\u3084\u307b\u304b\u306e\u76e3\u8996\u30c4\u30fc\u30eb\u3067\u306f\u3001\u4f9d\u7136\u3068\u3057\u3066\u4e3b\u8981\u306a\u6307\u6a19\u3068\u3057\u3066\u300c\u30da\u30fc\u30b8\u30ed\u30fc\u30c9\u300d\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/span>
\n<\/span>\u3057\u304b\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u8868\u3059\u826f\u3044\u6307\u6a19\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u696d\u754c\u306f\u3001\u3053\u306e\u72b6\u614b\u304b\u3089\u629c\u3051\u51fa\u308b\u3079\u304d\u3067\u3059\u3002<\/span><\/p>\n

\uff08window.onload\uff09\u304b\u3089\u96e2\u308c\u308b<\/p>\n

 <\/p>\n

Visually Complete \uff0f\u30d3\u30b8\u30e5\u30a2\u30ea\u30fc\u30b3\u30f3\u30d7\u30ea\u30fc\u30c8\uff08 \u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af\uff09<\/strong><\/h2>\n

Visually Complete\uff08\u30d3\u30b8\u30e5\u30a2\u30ea\u30fc\u30b3\u30f3\u30d7\u30ea\u30fc\u30c8\uff09\u306f\u3001\u8868\u793a\u9818\u57df\u5185\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u5b8c\u4e86\u3057\u3001\u30da\u30fc\u30b8\u306e\u30ed\u30fc\u30c9\u304c\u7d9a\u884c\u3055\u308c\u305f\u3042\u3068\u3001\u5909\u66f4\u3055\u308c\u308b\u5185\u5bb9\u304c\u306a\u3044\u72b6\u614b\u306e\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u5168\u753b\u9762\u3092\u8a8d\u8b58\u3057\u3001<\/span>\u30b5\u30a4\u30c8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u89e6\u308c\u3089\u308c\u308b\u72b6\u614b\u3068\u306a\u308b\u305f\u3081<\/span>\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306e\u512a\u308c\u305f\u6307\u6a19\u3068\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n

<\/h2>\n

Speed Index \uff0f\u30b9\u30d4\u30fc\u30c9\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3000<\/strong>( \u30b7\u30f3\u30bb\u30c6\u30a3\u30c3\u30af)<\/h2>\n

Speed Index (\u30b9\u30d4\u30fc\u30c9\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3000\u4ee5\u4e0bSpeed Index\uff09\u306f\u3001\u30da\u30fc\u30b8\u306e\u53ef\u8996\u90e8\u5206\u304c\u8868\u793a\u3055\u308c\u308b\u5e73\u5747\u6642\u9593\u3067\u3059\u3002 \u8868\u793a\u9818\u57df\u306b\u4f9d\u5b58\u3057\u3001\u8996\u8a8d\u3067\u304d\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u3069\u308c\u304f\u3089\u3044\u901f\u304f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u305f\u304b\u3092\u8868\u3057\u307e\u3059\uff08\u5c0f\u3055\u3044\u65b9\u304c\u826f\u3044\uff09\u3002 Speed Index\u306f\u3001\u7a7a\u767d\u72b6\u614b\u304b\u3089\u898b\u305f\u76ee\u3067\u5b8c\u5168\u306b\u306a\u308b\u307e\u3067\u306e\u8868\u793a\u6570\u5024\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u6700\u3082\u6b63\u3057\u304f\u8868\u3059\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u6307\u6a19\u3067\u3059\u3002<\/p>\n

WebPageTest\u3067\u306f\u3001<\/span>Speed Index \u3092<\/span>\u30df\u30ea\u79d2\u3067\u8868\u308f\u3057\u307e\u3059\u304c\u3001SpeedCurve\u3067\u306f\u3001\u4ed6\u306e\u6307\u6a19\u3068\u4e00\u81f4\u3055\u305b\u308b\u305f\u3081\u306b\u79d2\u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n

WebPageTest\u304c<\/span>Speed Index <\/span>\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n