SpeedCurve\u3067\u306f\u3001\u6570\u4e07\u306eWeb\u30da\u30fc\u30b8\u304b\u3089\u8a73\u7d30\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c7\u30fc\u30bf\u3092\u7d99\u7d9a\u7684\u306b\u53ce\u96c6\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u5206\u6790\u306e\u305f\u3081\u306e\u30e6\u30cb\u30fc\u30af\u306a\u6a5f\u4f1a\u304c\u5f97\u3089\u308c\u3001\u8208\u5473\u6df1\u3044\u6d1e\u5bdf\u3092\u5f97\u308b\u305f\u3081\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e1\u30c8\u30ea\u30af\u30b9\u304c\u53ce\u96c6\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u30d9\u30fc\u30b9\u306e\u30da\u30a4\u30f3\u30c8\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u5206\u6790\u3057\u307e\u3059\uff1aFirst Paint \u3068<\/span>\uff08Paint Timing spec<\/a>\u3067\u5b9a\u7fa9\u3055\u308c\u3001Chrome\u3067\u5b9f\u88c5\u3055\u308c\u305f\uff09First Contentful Paint \u3002 \u307e\u305f\u3001\u79c1\u305f\u3061\u306f\u3001\uff08draft spec<\/a>\u3067\u5b9a\u7fa9\u3055\u308c\u3001chrome\u30c8\u30ec\u30fc\u30b9\u30e1\u30c8\u30ea\u30c3\u30af\u3068\u3057\u3066\u5b9f\u88c5\u3055\u308c\u308b\uff09First Meaningful Paint\u3092\u5206\u6790\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n Web\u306b\u304a\u3051\u308b\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u76ee\u7684\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u3067\u3059\u3002 Google\u306e\u4eba\u3005\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30ad\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u95a2\u3059\u308b4\u3064\u306e\u8cea\u554f\u306b\u7b54\u3048\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3001<\/span>\u30e6\u30fc\u30b6\u4e2d\u5fc3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e1\u30c8\u30ea\u30c3\u30af<\/span><\/a>\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3001\u3053\u306e\u8003\u3048\u3092\u62bc\u3057\u9032\u3081\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n First Paint\uff08FP\uff09<\/b>\u306f\u3001\u65b0\u3057\u3044\u30da\u30fc\u30b8\u306b\u79fb\u52d5\u3057\u305f\u5f8c\u3001\u30d4\u30af\u30bb\u30eb\u304c\u6700\u521d\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/span>First Contentful Paint\uff08FCP\uff09<\/b>\u306f\u5c11\u3057\u7279\u6b8a\u3067\u3001\u30c6\u30ad\u30b9\u30c8\u3084\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u6700\u521d\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4e21\u65b9\u306e\u6307\u6a19\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9API\u3092\u901a\u3058\u3066\u3001\u30af\u30ed\u30fc\u30e0\u30d6\u30e9\u30a6\u30b6\uff08Chrome\u3001Opera\u3001Samsung Internet\u306a\u3069\uff09\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n paint timing metrics\u306e\u6e2c\u5b9a\u57fa\u6e96\u306f\u3001\u6700\u521d\u306e\u8cea\u554f\u306b\u7b54\u3048\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u308b\u305f\u3081\u91cd\u8981\u3067\u3059\u3002\u79c1\u306e\u5206\u6790\u3067\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u4eba\u6c17\u306e\u3042\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c7\u30fc\u30bf\u3092\u898b\u3066\u3001paint timing\u306e\u6e2c\u5b9a\u57fa\u6e96\u304c\u672c\u5f53\u306b\u305d\u306e\u8cea\u554f\u306b\u7b54\u3048\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u8abf\u3079\u3066\u3044\u307e\u3059\u3002<\/b><\/p>\n paint timing metrics\u304c\u30e6\u30fc\u30b6\u30fc\u30a8\u30ad\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u6b63\u78ba\u306b\u53cd\u6620\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u306e\u60c5\u5831\u3092\u5b9f\u969b\u306ereal user monitoring\uff08RUM\uff09\u3067\u4f7f\u7528\u3057\u3066\u3001\u5b9f\u969b\u306eWeb\u30da\u30fc\u30b8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u628a\u63e1\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u30e1\u30c8\u30ea\u30c3\u30af\uff08\u6e2c\u5b9a\u57fa\u6e96\uff09\u306f\u3001\u300c\u8d77\u52d5\u3057\u3066\u3044\u307e\u3059\u304b\uff1f\u300d\u3068\u3044\u3046\u8cea\u554f\u306b\u7b54\u3048\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u7528\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306fPaint Timing\u306e\u4ed5\u69d8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b<\/span>\u91cd\u8981\u306a\u6ce8\u610f\u70b9<\/span><\/a>\u3067\u3059\u3002<\/span><\/p>\n \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u6d41\u308c\u306f\u8907\u96d1\u3067\u3059\u3002\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306f\u30d6\u30e9\u30a6\u30b6\u304c\u3053\u306e\u6d41\u308c\uff08\u30d9\u30b9\u30c8\u30a8\u30d5\u30a9\u30fc\u30c8\uff09\u3067\u30e1\u30e2\u3067\u304d\u308b\u6700\u65b0\u306e\u3082\u306e\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002 \u901a\u5e38\u3001\u8868\u793a\u306e\u305f\u3081\u306bOS\u306b\u9001\u4fe1\u3055\u308c\u308b\u30d5\u30ec\u30fc\u30e0\u306e\u6642\u9593\u306f\u3001\u3053\u306eAPI\u306e\u305f\u3081\u306b\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/i><\/b><\/p>\n \u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u304c\u30d5\u30ec\u30fc\u30e0\u3092\u53d6\u5f97\u3057\u3066\u3082\u3001\u305d\u306e\u30d5\u30ec\u30fc\u30e0\u304c\u5b9f\u969b\u306b\u30b9\u30af\u30ea\u30fc\u30f3\u306b\u8868\u793a\u3055\u308c\u308b\u524d\u306b\u3001\u304b\u306a\u308a\u306e\u9045\u5ef6\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30d6\u30e9\u30a6\u30b6\u306epaint metrics\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5b9f\u969b\u306b\u753b\u9762\u4e0a\u3067\u4f55\u304b\u3092\u898b\u305f\u3068\u304d\u306b\u3001\u305d\u308c\u3089\u304c\u6b63\u3057\u304f\u8868\u793a\u3055\u308c\u306a\u3044\u53ef\u80fd\u6027\u306b\u5bfe\u51e6\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n paint timing metrics\u3092\u3001<\/span>WebPageTest<\/span><\/a>\u306e<\/span>Start Render<\/b> metrics\u3068\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067paint timing metrics\u306e\u7cbe\u5ea6\u3092\u30c6\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002WebPageTest\u306f\u3001\u5b9f\u969b\u306eWeb\u30d6\u30e9\u30a6\u30b6\u3067Web\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u306b\u753b\u9762\u306e\u30d3\u30c7\u30aa\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u307e\u3059\u3002\u6700\u521d\u306e\u30d4\u30af\u30bb\u30eb\u304c\u30b9\u30af\u30ea\u30fc\u30f3\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u898b\u3064\u3051\u3001\u30d5\u30ec\u30fc\u30e0\u3054\u3068\u306b\u6bd4\u8f03\u3057\u3066Start Render time\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001Start Render\u306f\u300116.6667ms\uff0860fps\u3067\u30ad\u30e3\u30d7\u30c1\u30e3\u3055\u308c\u305f\u30d3\u30c7\u30aa\u306e\u30d5\u30ec\u30fc\u30e0\u6642\u9593\uff09\u5185\u306b\u6b63\u78ba\u306b\u30d4\u30af\u30bb\u30eb\u304c\u8868\u793a\u3055\u308c\u305f\u3068\u304d\u3092\u8868\u3057\u307e\u3059\u3002<\/span><\/p>\n \u7d9a\u3051\u308b\u524d\u306b\u3001First Paint\u306fStart Render\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001First Contentful Paint\u3068\u306f\u5b9a\u7fa9\u4e0a\u4f3c\u3066\u3044\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u79c1\u306f\u3053\u306e\u5206\u6790\u65b9\u6cd5\u306b\u3001First Contentful Paint\u3092\u542b\u3081\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\u30c7\u30fc\u30bf\u306f\u304b\u306a\u308a\u8208\u5473\u6df1\u3044\u3082\u306e\u3060\u304b\u3089\u3067\u3059\u3002<\/span><\/p>\n SpeedCurve\u306f\u3001WebPageTest\u3092\u4f7f\u7528\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30da\u30a4\u30f3\u30c8\u30e1\u30c8\u30ea\u30c3\u30af\u3068WebPageTest\u306eStart Render\u3092\u6bd4\u8f03\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u8c4a\u5bcc\u306a\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002 \u79c1\u306f\u3001Alexa\u30c8\u30c3\u30d7\u30b5\u30a4\u30c840\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u3092\u5b9a\u671f\u7684\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u3001\u305d\u308c\u3089\u306e\u30c6\u30b9\u30c8\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\uff11\u3064\u3068\u30c7\u30fc\u30bf\u3068\u7167\u5408\u3057\u3001\u7d71\u8a08\u5206\u6790\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u30c7\u30fc\u30bf\u3068\u79c1\u304c\u5206\u6790\u306b\u4f7f\u3063\u305f\u30b3\u30fc\u30c9\u306fGitHub<\/a>\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n paint metrics\u306b\u3064\u3044\u3066\u306e\u7591\u554f\u306f\u3001<\/span>Start Render\u3068\u3069\u306e\u304f\u3089\u3044\u9055\u3046\u306e\u304b\uff1f<\/b> \u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u3059\u3079\u3066\u306e\u30c6\u30b9\u30c8\u7d50\u679c\uff08FP – SR\u3068FCP – SR\uff09\u3067First Paint\u3068Contentful Paint\u304c\u3069\u306e\u3088\u3046\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u304b\u3092\u8a08\u7b97\u3057\u307e\u3057\u305f\u3002\u4ee5\u4e0b\u306f\u3001\u3053\u306e\u30c7\u30fc\u30bf\u3092\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u306b\u3057\u307e\u3057\u305f\u3002<\/span><\/p>\n \u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u306b\u6163\u308c\u3066\u3044\u306a\u3044\u65b9\u306f\u4e0b\u8a18\u3092\u8aad\u3093\u3067\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n \u3053\u306e\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u3067\u3001\u6700\u521d\u306b\u6c17\u3065\u304f\u306e\u306f\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u958b\u59cb\u3059\u308b\u524d\u306bpaint timing metrics\u304c\u983b\u7e41\u306b\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3067\u3059\u3002 \u3053\u308c\u3068\u306f\u5225\u306b\u3001<\/span>FP\u3084FCP\u306f\u4f55\u304b\u304c\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u308b\u524d\u306b\u8a18\u9332\u3055\u308c\u308b<\/b>\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u306f\u8208\u5473\u6df1\u3044\u767a\u898b\u3067\u3059\u304c\u3001\u300c\u8907\u96d1\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u300d\u306e\u8b66\u544a\u3068\u8003\u3048\u308c\u3070\u3001\u307e\u3063\u305f\u304f\u4e88\u60f3\u5916\u306e\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n \u3044\u304f\u3064\u304b\u306e\u767e\u5206\u4f4d\u6570(\u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb)\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u3053\u306e\u30c7\u30fc\u30bf\u304b\u3089\u4eba\u306b\u512a\u3057\u3044\u7d50\u8ad6\u3092\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n \u3053\u306e\u30c7\u30fc\u30bf\u306f\u30ed\u30fc\u30c9\u6642\u9593\u304c\u7570\u306a\u308b\u30da\u30fc\u30b8\u304b\u3089\u6765\u308b\u305f\u3081\u3001Start Render\u306e\u30d1\u30fc\u30bb\u30f3\u30c6\u30fc\u30b8\u3068\u3057\u3066\u30c7\u30eb\u30bf\u3092\u8868\u793a\u3059\u308b\u65b9\u304c\u4fbf\u5229\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/span><\/p>\n \u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u306e\u5f62\u306f\u3042\u307e\u308a\u5909\u308f\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u4eca\u56de\u306f\u3082\u3046\u5c11\u3057\u6709\u7528\u306a\u30b9\u30b1\u30fc\u30eb\u304c\u3042\u308a\u3001\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001Paint Timing metrics\u306fStart Render\u306e10\uff05\u5185\u306b\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u30c7\u30fc\u30bf\u304b\u3089\u3044\u304f\u3064\u304b\u306e\u4eba\u306b\u512a\u3057\u3044\u7d50\u8ad6\u3068\u3057\u3066<\/span><\/p>\n \u3053\u308c\u306b\u95a2\u9023\u3057\u3066\u3001paint timing metrics\u3068Start Render\u306e\u9055\u3044\u306f\u306f\u308b\u304b\u306b\u5408\u7406\u7684\u3067\u3059\u3002<\/span><\/p>\n 10\uff05\u304c\u5408\u7406\u7684\u306a\u8aa4\u5dee\u30de\u30fc\u30b8\u30f3\u3067\u3042\u308b\u3068\u53d7\u3051\u5165\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3001\u3053\u306e\u30c7\u30fc\u30bf\u306fFP\u3068FCP\u6642\u9593\u306e80\uff05\u304c\u6700\u521d\u306e\u30d4\u30af\u30bb\u30eb\u304c\u30e6\u30fc\u30b6\u30fc\u306e\u753b\u9762\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u3068\u304d\u306e\u5408\u7406\u7684\u306b\u6b63\u78ba\u306a\u8868\u73fe\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n \u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u306e\u6b8b\u308a\u306e20\uff05\u306f\u3069\u3046\u3067\u3059\u304b\uff1f<\/b><\/p>\n 10\uff05\u306e\u8aa4\u5dee\u306e\u7bc4\u56f2\u5916\u306b\u3042\u308bFP\u5024\u306f\u3001Start Render time\u306e\u524d\u306b\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u304c\u307e\u3060\u7a7a\u767d\u306b\u306a\u3063\u3066\u3044\u308b\u6642\u70b9\u3092\u8868\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u5916\u5074\u306eFCP\u5024\u306f\u3001\u307b\u3068\u3093\u3069\u304cStart Render time\u306e\u5f8c\u306b\u3042\u308a\u307e\u3059\u3002 \u79c1\u306f\u3053\u308c\u304cFirst Contentful Paint\u306e\u52b9\u679c\u304c\u30d7\u30e9\u30b9\u306b\u50cd\u3044\u3066\u3044\u308b\u3068\u3053\u308d\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7570\u5e38\u5024\u306f\u6700\u521d\u306e\u30ec\u30f3\u30c0\u30fc\u3092\u8868\u3057\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u5c11\u306a\u304f\u3068\u3082\u4f55\u304b\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u6642\u70b9\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u9055\u3044\u304c\u3001FCP\u304cFP\u3088\u308a\u3082\u308f\u305a\u304b\u306b\u6709\u7528\u306a\u30e1\u30c8\u30ea\u30c3\u30af\u306b\u306a\u3063\u3066\u3044\u308b\u3088\u3046\u306b\u611f\u3058\u307e\u3059\u3002\u5c11\u306a\u304f\u3068\u3082\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u753b\u9762\u4e0a\u306efirst render\u3092\u898b\u308b\u3068\u304d\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n \u79c1\u306fFirst Meaningful Paint\u3082\u5206\u6790\u3059\u308b\u3068\u8a00\u3044\u307e\u3057\u305f\u3002First Contentful Paint\u306e\u3088\u3046\u306b\u3001FMP\u306fStart Render\u3068\u306f\u6839\u672c\u7684\u306b\u7570\u306a\u308b\u30e1\u30c8\u30ea\u30c3\u30af\u3092\u610f\u56f3\u3057\u3066\u3044\u307e\u3059\u3002First Meaningful Paint\u306e\u300cmeaningful\u300d\u306e\u90e8\u5206\u306f\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6570\u3001\u30da\u30fc\u30b8\u306e\u9ad8\u3055\u3001\u304a\u3088\u3073Web\u30d5\u30a9\u30f3\u30c8\u306e\u3088\u3046\u306a\u30d2\u30e5\u30fc\u30ea\u30b9\u30c6\u30a3\u30c3\u30af\u30b9\u304b\u3089\u6765\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n \u00a0\u00a0\u3057\u305f\u304c\u3063\u3066\u3001FMP\u306fStart Render\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u5f8c\u3067\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u4e88\u60f3\u3055\u308c\u307e\u3059\u3002 Start Render\u3068FP\u3001FCP\u3001FMP\u306e\u9055\u3044\u306e\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n \u9a5a\u3044\u305f\u3053\u3068\u306b\u3001FMP\u306fStart Render\u306e\u524d\u306b\u5b9a\u671f\u7684\u306b\u767a\u751f\u3059\u308b\u3068\u3044\u3046\u70b9\u3067\u3001\u4ed6\u306e2\u3064\u306e\u6e2c\u5b9a\u57fa\u6e96\u3068\u540c\u3058\u554f\u984c\u3092\u62b1\u3048\u3066\u3044\u307e\u3057\u305f\u3002 FMP\u306f\u9ad8\u5ea6\u306a\u7d4c\u9a13\u5247\u306e\u304a\u304b\u3052\u3067\u3001\u753b\u9762\u4e0a\u306b\u5b9f\u969b\u306b\u30d4\u30af\u30bb\u30eb\u304c\u3042\u308b\u6642\u70b9\u3092\u8868\u3059\u53ef\u80fd\u6027\u304c\u975e\u5e38\u306b\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u00a0<\/span><\/p>\n \u3053\u306e\u5206\u6790\u304b\u3089\u91cd\u8981\u306a\u767a\u898b\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059<\/span><\/p>\n \u6700\u7d42\u7684\u306a\u514d\u8cac\u4e8b\u9805\uff1a\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u5c0f\u3055\u306a\u30b5\u30f3\u30d7\u30eb\u304b\u3089\u5c11\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u5206\u6790\u3057\u305f\u3053\u3068\u306b\u7559\u610f\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002 \u73fe\u4ee3\u306eWeb\u30da\u30fc\u30b8\u306f\u975e\u5e38\u306b\u8907\u96d1\u3067\u3001\u307e\u308c\u306b2\u30da\u30fc\u30b8\u3082\u540c\u3058\u3088\u3046\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 \u81ea\u5206\u306eWeb\u30da\u30fc\u30b8\u306e\u30c7\u30fc\u30bf\u3092\u5e38\u306b\u4f7f\u7528\u3057\u3066\u3001\u30da\u30fc\u30b8\u306e\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u6700\u3082\u3088\u304f\u8868\u3057\u3066\u3044\u308b\u3082\u306e\u3092\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"2018\u5e749\u670826\u65e5\u6c34\u66dc\u65e5 \u3000Joseph Wynn SpeedCurve\u3067\u306f\u3001\u6570\u4e07\u306eWeb\u30da\u30fc\u30b8\u304b\u3089\u8a73\u7d30\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c7\u30fc\u30bf\u3092\u7d99\u7d9a\u7684\u306b\u53ce\u96c6\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u5206\u6790\u306e\u305f\u3081\u306e\u30e6\u30cb\u30fc\u30af\u306a\u6a5f\u4f1a\u304c\u5f97\u3089\u308c\u3001\u8208\u5473\u6df1\u3044\u6d1e\u5bdf\u3092\u5f97\u308b\u305f […]","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9,16],"tags":[],"_links":{"self":[{"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/posts\/1995"}],"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=1995"}],"version-history":[{"count":1,"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/posts\/1995\/revisions"}],"predecessor-version":[{"id":2652,"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/posts\/1995\/revisions\/2652"}],"wp:attachment":[{"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/media?parent=1995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/categories?post=1995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.domore.co.jp\/speedcurve\/wp-json\/wp\/v2\/tags?post=1995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"\"](\"http:\/\/domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/joseph-wynn.424.jpg\")
\u3000Joseph Wynn<\/span><\/p>\npaint timing metrics<\/span>\u3068\u306f\uff1f<\/span><\/h3>\n
\n
![\"\"](\"http:\/\/domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/paint-timing-metrics-dist-seconds-1024x271.png\")
<\/p>\n\u5f79\u7acb\u3064\u30e1\u30c8\u30ea\u30c3\u30af\u306f\u4f55\u3067\u3059\u304b\uff1f<\/span><\/h3>\n
\u5206\u6790<\/span><\/h3>\n
![\"\"](\"http:\/\/domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/paint-timing-metrics-deltas-absolute-1024x526.png\")
<\/p>\n\n
\n
![\"\"](\"http:\/\/domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/paint-timing-metrics-deltas-relative-1024x526.png\")
<\/p>\n\n
\u3053\u308c\u3089\u306e\u6570\u5b57\u3092\u3069\u3046\u3057\u305f\u3089\u3044\u3044\u306e\u304b\uff1f<\/span><\/h3>\n
First Meaningful Paint\u306f\u3069\u3046\u3067\u3059\u304b\uff1f<\/span><\/h3>\n
![\"\"](\"http:\/\/domore.co.jp\/speedcurve\/wp-content\/uploads\/2019\/07\/paint-timing-metrics-with-fmp-deltas-relative-1024x526.png\")
<\/p>\n\n
\u4e3b\u306a\u6240\u898b<\/span><\/h3>\n
\n