{"id":34,"date":"2015-09-09T03:49:30","date_gmt":"2015-09-08T18:49:30","guid":{"rendered":"http:\/\/blog.srytk.com\/webfontloader-note\/?p=34"},"modified":"2015-09-09T03:49:30","modified_gmt":"2015-09-08T18:49:30","slug":"fout%ef%bc%88%e3%83%95%e3%82%a9%e3%83%b3%e3%83%88%e5%88%87%e3%82%8a%e6%9b%bf%e3%81%88%e3%81%ae%e3%81%a1%e3%82%89%e3%81%a4%e3%81%8d%ef%bc%89%e3%82%92%e9%98%b2%e3%81%90","status":"publish","type":"post","link":"https:\/\/blog.srytk.com\/webfontloader-note\/2015\/09\/09\/fout%ef%bc%88%e3%83%95%e3%82%a9%e3%83%b3%e3%83%88%e5%88%87%e3%82%8a%e6%9b%bf%e3%81%88%e3%81%ae%e3%81%a1%e3%82%89%e3%81%a4%e3%81%8d%ef%bc%89%e3%82%92%e9%98%b2%e3%81%90\/","title":{"rendered":"FOUT\uff08\u30d5\u30a9\u30f3\u30c8\u5207\u308a\u66ff\u3048\u306e\u3061\u3089\u3064\u304d\uff09\u3092\u9632\u3050"},"content":{"rendered":"<p>\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u306f\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3066\u521d\u3081\u3066\u5229\u7528\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002IE\u306a\u3069\u4e00\u90e8\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3044\u308b\u9593\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3042\u308b\u5225\u306e\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u201d\u3068\u308a\u3042\u3048\u305a\u201d\u30c6\u30ad\u30b9\u30c8\u3092\u8868\u793a\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u30d5\u30a9\u30f3\u30c8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u3067\u30c6\u30ad\u30b9\u30c8\u3092\u518d\u8868\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u69d8\u306a\u52d5\u4f5c\u306f\u30d3\u30b8\u30bf\u30fc\u304c\u3059\u3050\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u8aad\u307f\u59cb\u3081\u3089\u308c\u308b\u53cd\u9762\u3001\u30d5\u30a9\u30f3\u30c8\u304c\u6025\u306b\u5165\u308c\u66ff\u308f\u3063\u3066\u9055\u548c\u611f\u3084\u30c1\u30e9\u3064\u304d\u3092\u611f\u3058\u3055\u305b\u308b\u8981\u56e0\u306b\u3082\u306a\u308a\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u4e00\u77ac\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3092FOUT(Flash of Unstyled Text)\u3068\u8a00\u3044\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<h1>FOUT<\/h1>\n<p>\u3053\u306e\u30d3\u30c7\u30aa\u306fGoogle Fonts\u304b\u3089\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u3092\u8aad\u307f\u8fbc\u3093\u3067FOUT\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u69d8\u5b50\u306e\u30d6\u30e9\u30a6\u30b6\u753b\u9762\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u305f\u3082\u306e\u3067\u3059\u3002<a href=\"http:\/\/www.webpagetest.org\/video\/compare.php?tests=150908_F2_e5ccb5a0f34dec8132c96b1abeaa7429-r:1-c:0\">WEBPAGETEST\u3092\u4f7f\u3044\u3001\u30d6\u30e9\u30a6\u30b6\u306fIE11<\/a>\u3067\u3059\u3002<a href=\"http:\/\/jsbin.com\/cimovu\/1\/edit?html,css,output\">HTML\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n<p><a href=\"https:\/\/blog.srytk.com\/webfontloader-note\/wp-content\/uploads\/sites\/4\/2015\/09\/fout_ie11.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-43 aligncenter\" src=\"https:\/\/blog.srytk.com\/webfontloader-note\/wp-content\/uploads\/sites\/4\/2015\/09\/fout_ie11.gif\" alt=\"fout_ie11\" width=\"520\" height=\"464\" \/><\/a><\/p>\n<p>\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u3092\u958b\u59cb\u3057\u3066\u304b\u30891,4\u79d2\u5f8c\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30d5\u30a9\u30f3\u30c8\u3067\u8868\u793a\u3055\u308c\u30012\u79d2\u5f8c\u306b\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h1>\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3044\u308b\u9593\u3001\u30c6\u30ad\u30b9\u30c8\u3092\u975e\u8868\u793a\u306b\u3059\u308b<\/h1>\n<p>Web Font Loader\u3092\u4f7f\u3063\u3066\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u3092\u8aad\u307f\u8fbc\u3080\u3068\u3001&lt;html&gt;\u306b<a href=\"https:\/\/github.com\/typekit\/webfontloader#events\">\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u306e\u30ed\u30fc\u30c9\u72b6\u6cc1\u3092\u793a\u3059\u30af\u30e9\u30b9\u3092\u8ffd\u52a0<\/a>\u3057\u307e\u3059\u3002<\/p>\n<blockquote><p>.wf-loading<br \/>\n.wf-active<br \/>\n.wf-inactive<br \/>\n.wf-&lt;familyname&gt;-&lt;fvd&gt;-loading<br \/>\n.wf-&lt;familyname&gt;-&lt;fvd&gt;-active<br \/>\n.wf-&lt;familyname&gt;-&lt;fvd&gt;-inactive<\/p><\/blockquote>\n<p>\u4f8b\u3048\u3070<a href=\"https:\/\/www.google.com\/fonts\/specimen\/Open+Sans\">Open Sans<\/a>\u306e\u6a19\u6e96\u30d5\u30a9\u30f3\u30c8\u304c\u30ed\u30fc\u30c9\u4e2d\u306f\u3001.wf-opensans-n4-loading\u3001\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001.wf-opensans-n4-active\u3001\u30ed\u30fc\u30c9\u306b\u5931\u6557\u3059\u308b\u3068\u3001wf-opensans-n4-inactive\u3068\u3044\u3046\u30af\u30e9\u30b9\u306b\u306a\u308a\u307e\u3059\u3002n4\u3068\u3044\u3046\u306e\u306f<a href=\"https:\/\/github.com\/typekit\/fvd\/blob\/master\/README.md\">fvd<\/a>\u3068\u3044\u3063\u3066\u3001\u30d5\u30a9\u30f3\u30c8\u306e@font-face\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u30b7\u30f3\u30d7\u30eb\u306b\u8868\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001<\/p>\n<pre><code>font-style: italic;\r\nfont-weight: 500;<\/code><\/pre>\n<p>\u3053\u308c\u306f<var>i5<\/var>\u3068\u3044\u3046fvd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>FOUT\u3092\u9632\u3050\u306b\u306f\u3001\u3053\u308c\u3089Web Font Loader\u304c\u8ffd\u52a0\u3059\u308b\u30af\u30e9\u30b9\u3092\u5229\u7528\u3057\u3066\u3001\u30d5\u30a9\u30f3\u30c8\u30ed\u30fc\u30c9\u4e2d\u306f\u30c6\u30ad\u30b9\u30c8\u3092\u975e\u8868\u793a\u306b\u3057\u307e\u3059\u3002\u30d5\u30a9\u30f3\u30c8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3057\u3001wf-&lt;familyname&gt;-&lt;fvd&gt;-active\u306b\u306a\u308b\u3068\u3001\u975e\u8868\u793a\u304b\u3089\u8868\u793a\u306b\u5909\u66f4\u3057\u3001FOUT\u3092\u56de\u907f\u3057\u307e\u3059\u3002<\/p>\n<pre><code>p{\r\n  font-family:'Lobster', sans-serif;\r\n  font-size:5em;\r\n  visibility:hidden;\r\n}\r\n\r\n.wf-lobster-n4-active p{\r\n  visibility:visible;\r\n}<\/code><\/pre>\n<p>\u3053\u306e\u69d8\u306a\u3001\u30b9\u30bf\u30a4\u30eb\u306b\u3059\u308b\u3068\u6b21\u306e\u3088\u3046\u306a\u8868\u793a\u306b\u306a\u308a\u307e\u3059\u3002\u4e0a\u306e\u30d3\u30c7\u30aa\u3068\u540c\u3058\u304f\u3001<a href=\"http:\/\/www.webpagetest.org\/video\/compare.php?tests=150908_55_5a710f6c5cdbb5467312843368bcb056-r:1-c:0\">WEBPAGETEST\u3067IE11<\/a>\u3067\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"http:\/\/jsbin.com\/cimovu\/3\/edit?html,css,js,output\">HTML\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n<p><a href=\"\/\/blog.srytk.com\/webfontloader-note\/wp-content\/uploads\/sites\/4\/2015\/09\/nofout.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-46 aligncenter\" src=\"\/\/blog.srytk.com\/webfontloader-note\/wp-content\/uploads\/sites\/4\/2015\/09\/nofout.gif\" alt=\"nofout\" width=\"512\" height=\"432\" \/><\/a><\/p>\n<p>\u3044\u304d\u306a\u308a\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u3067\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u3001FOUT\u304c\u767a\u751f\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u8907\u6570\u306e\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306f.wf-active\u306a\u3069\u306e\u30af\u30e9\u30b9\u3092\u30bb\u30ec\u30af\u30bf\u306b\u5229\u7528\u3059\u308b\u3068\u4fbf\u5229\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30af\u30e9\u30b9\u306f\u5168\u3066\u306e\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u306e\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3059\u308b\u3068\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n<h1>FOUT\u306f\u907f\u3051\u308b\u3079\u304d\u304b<\/h1>\n<p>Firefox\u3084Chrome\u3067\u306f\u57fa\u672c\u7684\u306bFOUT\u306f\u767a\u751f\u3057\u307e\u305b\u3093\u3002<a href=\"https:\/\/developers.google.com\/web\/fundamentals\/performance\/optimizing-content-efficiency\/webfont-optimization?hl=ja\">\u3053\u306e\u30dd\u30b9\u30c8<\/a>\u306b\u3088\u308c\u3070\u3001\u3053\u308c\u3089\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u6587\u5b57\u3092\u900f\u660e\u72b6\u614b\u3067\u8868\u793a\u3057\u3001\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u306e\u30ed\u30fc\u30c9\u958b\u59cb\u304b\u30893\u79d2\u4ee5\u4e0a\u7d4c\u3063\u3066\u3082\u30ed\u30fc\u30c9\u304c\u7d42\u308f\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u306e\u307f\u30c7\u30d5\u30a9\u30eb\u30c8\u30d5\u30a9\u30f3\u30c8\uff08\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u30d5\u30a9\u30f3\u30c8\uff09\u3067\u8868\u793a\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u306e\u30ed\u30fc\u30c9\u306b\uff13\u79d2\u4ee5\u4e0a\u304b\u304b\u3063\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u306e\u307fFOUT\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<blockquote><p>Safari \u3067\u306f\u3001\u30d5\u30a9\u30f3\u30c8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u30c6\u30ad\u30b9\u30c8\u306e\u8868\u793a\u304c\u4fdd\u7559\u3055\u308c\u307e\u3059\u3002<br \/>\nChrome \u3068 Firefox \u3067\u306f\u3001\u30d5\u30a9\u30f3\u30c8\u306e\u8868\u793a\u304c\u6700\u5927 3 \u79d2\u9593\u4fdd\u7559\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3067\u4ee3\u66ff\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3001\u30d5\u30a9\u30f3\u30c8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3082\u3046\u4e00\u5ea6\u30c6\u30ad\u30b9\u30c8\u3092\u518d\u8868\u793a\u3057\u307e\u3059\u3002<br \/>\nIE \u3067\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3055\u308c\u305f\u30d5\u30a9\u30f3\u30c8\u304c\u307e\u3060\u4f7f\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u4ee3\u66ff\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u5373\u5ea7\u306b\u8868\u793a\u3092\u884c\u3044\u3001\u30d5\u30a9\u30f3\u30c8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3057\u305f\u6642\u70b9\u3067\u518d\u8868\u793a\u3092\u884c\u3044\u307e\u3059\u3002<\/p><\/blockquote>\n<p>FOUT\u306e\u767a\u751f\u3059\u308bIE\u306f\u52a3\u3063\u3066\u3044\u3066\u3001FOUT\u304c\u767a\u751f\u3057\u306b\u304f\u3044Chrome\u3084Firefox\u304c\u512a\u308c\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u305d\u3046\u3068\u3082\u8a00\u3044\u5207\u308c\u306a\u3044\u306f\u305a\u3067\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u8b70\u8ad6\u306e\u3042\u308b\u3068\u3053\u308d\u3067\u3042\u3063\u3066\u3001\u500b\u4eba\u306e\u597d\u307f\u3084\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u7a2e\u985e\u3001\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u306e\u4f7f\u3044\u65b9\u306b\u5927\u304d\u304f\u5de6\u53f3\u3055\u308c\u308b\u304b\u3089\u3067\u3059\u3002\u91cd\u8981\u306a\u306e\u306fWeb Font Loader\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u5236\u4f5c\u8005\u304cFOUT\u3092\u9632\u3050\u3053\u3068\u3082\u3001\u6216\u3044\u306f\u3001\u5f37\u5236\u7684\u306bFOUT\u3092\u8d77\u3053\u3059\u3053\u3068\u3082\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u53ef\u80fd\u306a\u70b9\u3067\u3059\u3002A\/B\u30c6\u30b9\u30c8\u7b49\u3067\u6700\u3082\u9069\u3057\u305f\u8868\u793a\u3092\u63a2\u3063\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Web Font Loader\u3092\u4f7f\u3063\u3066FOUT(Flash of Unstyled Text)\u3068\u3044\u3046\u3001\u4e00\u77ac\u5225\u306e\u30d5\u30a9\u30f3\u30c8\u304c\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3046\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6,5],"class_list":["post-34","post","type-post","status-publish","format-standard","hentry","category-3","tag-fouc","tag-fout"],"_links":{"self":[{"href":"https:\/\/blog.srytk.com\/webfontloader-note\/wp-json\/wp\/v2\/posts\/34","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.srytk.com\/webfontloader-note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.srytk.com\/webfontloader-note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.srytk.com\/webfontloader-note\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.srytk.com\/webfontloader-note\/wp-json\/wp\/v2\/comments?post=34"}],"version-history":[{"count":12,"href":"https:\/\/blog.srytk.com\/webfontloader-note\/wp-json\/wp\/v2\/posts\/34\/revisions"}],"predecessor-version":[{"id":51,"href":"https:\/\/blog.srytk.com\/webfontloader-note\/wp-json\/wp\/v2\/posts\/34\/revisions\/51"}],"wp:attachment":[{"href":"https:\/\/blog.srytk.com\/webfontloader-note\/wp-json\/wp\/v2\/media?parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.srytk.com\/webfontloader-note\/wp-json\/wp\/v2\/categories?post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.srytk.com\/webfontloader-note\/wp-json\/wp\/v2\/tags?post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}