{"id":66999,"date":"2019-02-06T10:03:31","date_gmt":"2019-02-06T01:03:31","guid":{"rendered":"https:\/\/www.softantenna.com\/wp\/?p=66999"},"modified":"2019-02-06T10:03:31","modified_gmt":"2019-02-06T01:03:31","slug":"chrome-never-slow-mode","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/chrome-never-slow-mode\/","title":{"rendered":"Google\u3001Chrome\u304c\u6c7a\u3057\u3066\u9045\u304f\u306a\u3089\u306a\u3044\u300c\u30cd\u30d0\u30fc\u30b9\u30ed\u30fc\u30e2\u30fc\u30c9\u300d\u3092\u30c6\u30b9\u30c8\u4e2d"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2019\/02\/s_20190206_93837.jpg\" alt=\"S 20190206 93837\" title=\"s_20190206_93837.jpg\" border=\"0\" width=\"860\" height=\"560\" \/><\/p>\n<p>Google Chrome\u306f\u9ad8\u901f\u306a\u30d6\u30e9\u30a6\u30b6\u3068\u3057\u3066\u9577\u304f\u8a55\u4fa1\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u6700\u8fd1\u306f\u30e1\u30e2\u30ea\u3084CPU\u306a\u3069\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u3044\u3059\u304e\u308b\u3068\u3044\u3046\u6279\u5224\u304c\u884c\u308f\u308c\u308b\u3053\u3068\u3082\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u4eca\u56de\u3001Google\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u30d6\u30e9\u30a6\u30b6\u306e\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u91cf\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u5b9f\u9a13\u7684\u306a\u30d5\u30e9\u30b0\u3092\u8ffd\u52a0\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f(<a href=\"https:\/\/www.neowin.net\/news\/google-is-testing-a-never-slow-mode-for-its-chrome-browser\/\">Neowin<\/a>)\u3002<\/p>\n<p><a href=\"https:\/\/chromium-review.googlesource.com\/c\/chromium\/src\/+\/1265506\">Chromium Gerrit<\/a>\u306b\u767b\u9332\u3055\u308c\u305f\u60c5\u5831\u306b\u3088\u308b\u3068\u3001\u30d5\u30e9\u30b0\u306f\u300cNeverSlowMode\u300d\u3068\u3044\u3046\u540d\u524d\u3067\u3001\u91cd\u3044\u30da\u30fc\u30b8\u3084\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u91cf\u3092\u5236\u9650\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3002\u958b\u767a\u8005\u306eAlex Russell\u6c0f\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u540c\u30d5\u30e9\u30b0\u306e\u6a5f\u80fd\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>\"Adds `--enable-features=NeverSlowMode` to enforce per-interaction budgets designed to keep the main thread clean (design doc currently internal).<\/p>\n<p>\"-enable-features = NeverSlowMode\"\u3092\u8ffd\u52a0\u3057\u3066\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3092\u304d\u308c\u3044\u306b\u4fdd\u3064\u305f\u3081\u306b\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u6bce\u306e\u5272\u5f53\u3092\u5f37\u5236\u3057\u307e\u3059(\u73fe\u5728\u306e\u5185\u90e8\u8a2d\u8a08\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8)\u3002<\/p>\n<p>Currently blocks large scripts, sets budgets for certain resource types (script, font, css, images), turns off document.write(), clobbers sync XHR, enables client-hints pervasively, and buffers resources without `Content-Length` set. Budgets are re-set on interaction (click\/tap\/scroll). Long script tasks (> 200ms) pause all page execution until next interaction.\"<\/p>\n<p>\u73fe\u5728\u306f\u5927\u304d\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3001\u7279\u5b9a\u306e\u30ea\u30bd\u30fc\u30b9\u30bf\u30a4\u30d7(script\u3001font\u3001css\u3001images)\u306e\u5272\u5f53\u3092\u8a2d\u5b9a\u3057\u3001document.write()\u3092\u7121\u52b9\u306b\u3057\u3001sync XHR\u3092\u4e0a\u66f8\u304d\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30d2\u30f3\u30c8\u3092\u5e83\u7bc4\u56f2\u306b\u6709\u52b9\u306b\u3057\u3001 \"Content-Length\"\u3092\u8a2d\u5b9a\u305b\u305a\u306b\u30ea\u30bd\u30fc\u30b9\u3092\u30d0\u30c3\u30d5\u30a1\u3057\u307e\u3059\u3002 \u5272\u5f53\u306f\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3(\u30af\u30ea\u30c3\u30af\/\u30bf\u30c3\u30d7\/\u30b9\u30af\u30ed\u30fc\u30eb)\u3067\u518d\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002 \u9577\u3044\u30b9\u30af\u30ea\u30d7\u30c8\u30bf\u30b9\u30af(> 200ms)\u306f\u3001\u6b21\u306e\u5bfe\u8a71\u307e\u3067\u5ef6\u671f\u3055\u308c\u307e\u3059\u3002\n<\/p><\/blockquote>\n<p>\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u91cf\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u3067\u3001Chrome\u5168\u4f53\u304c\u8efd\u304f\u306a\u308b\u4e8b\u3092\u671f\u5f85\u3057\u3066\u3044\u308b\u6a5f\u80fd\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u73fe\u5728\u306e\u3068\u3053\u308d\u5b9f\u9a13\u7684\u306a\u6027\u8cea\u3092\u6301\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u30d5\u30e9\u30b0\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u65e2\u5b58\u306eWeb\u30b5\u30a4\u30c8\u3084Web\u30a2\u30d7\u30ea\u304c\u6b63\u3057\u304f\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308b\u3053\u3068\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u304c\u3001\u6a5f\u80fd\u304c\u6b63\u5f0f\u306b\u516c\u958b\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308c\u3070\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u6709\u76ca\u306a\u6a5f\u80fd\u306b\u306a\u308b\u3053\u3068\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Google Chrome\u306f\u9ad8\u901f\u306a\u30d6\u30e9\u30a6\u30b6\u3068\u3057\u3066\u9577\u304f\u8a55\u4fa1\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u6700\u8fd1\u306f\u30e1\u30e2\u30ea\u3084CPU\u306a\u3069\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u3044\u3059\u304e\u308b\u3068\u3044\u3046\u6279\u5224\u304c\u884c\u308f\u308c\u308b\u3053\u3068\u3082\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u4eca\u56de\u3001Google\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":67000,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[75],"tags":[26,101],"class_list":["post-66999","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-chrome","tag-google"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/66999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=66999"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/66999\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/67000"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=66999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=66999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=66999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}