{"id":409,"date":"2021-12-06T09:07:53","date_gmt":"2021-12-06T09:07:53","guid":{"rendered":"https:\/\/affiv.com\/?p=409"},"modified":"2021-12-23T04:22:05","modified_gmt":"2021-12-23T04:22:05","slug":"how-to-speed-up-time-to-first-byte-ttfb","status":"publish","type":"post","link":"https:\/\/affiv.com\/ja\/%e6%9c%80%e5%88%9d%e3%81%ae%e3%83%90%e3%82%a4%e3%83%88ttfb%e3%81%be%e3%81%a7%e3%81%ae%e6%99%82%e9%96%93%e3%82%92%e9%ab%98%e9%80%9f%e5%8c%96%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u6700\u521d\u306e\u30d0\u30a4\u30c8\u307e\u3067\u306e\u6642\u9593\u3092\u9ad8\u901f\u5316\u3059\u308b\u65b9\u6cd5\uff08TTFB\uff09"},"content":{"rendered":"<p>Web\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5fc3\u914d\u306a\u5834\u5408\u306f\u3001Web\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u3068\u304d\u306b\u3001Time to First Byte\uff08TTFB\uff09\u306e\u5f85\u3061\u6642\u9593\u304c\u9577\u304f\u306a\u308b\u3068\u3044\u3046\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u306a\u3044WordPress\u30b5\u30a4\u30c8\u306e\u5834\u5408\u3001TTFB\u6642\u9593\u304c\u30da\u30fc\u30b8\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u6642\u9593\u3092\u8d85\u3048\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u4e0d\u8981\u306a\u5f85\u6a5f\u6642\u9593\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306e\u4e3b\u306a\u7406\u7531\u306f\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u3042\u308a\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306e\u904b\u7528\u3068\u4fdd\u5b88\u306b\u7cbe\u901a\u3057\u3066\u3044\u306a\u3044\u4eba\u306f\u3069\u3053\u304b\u3089\u59cb\u3081\u308c\u3070\u3088\u3044\u304b\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u672c\u65e5\u306fTTFB\u306e\u539f\u56e0\u3068\u89e3\u6c7a\u7b56\u306e\u3055\u307e\u3056\u307e\u306a\u5074\u9762\u3092\u5206\u6790\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-ht-block-toc is-style-outline htoc htoc--position-wide toc-list-style-plain\" data-htoc-state=\"expanded\"><span class=\"htoc__title\"><span class=\"ht_toc_title\">\u76ee\u6b21\u3092\u898b\u308b<\/span><span class=\"htoc__toggle\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\"><g fill=\"#444\"><path d=\"M15 7H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1z\"><\/path><path d=\"M15 1H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1zM15 13H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1z\"><\/path><\/g><\/svg><\/span><\/span><div class=\"htoc__itemswrap\"><ul class=\"ht_toc_list\"><li class=\"\"><a href=\"#what-is-time-to-first-byte-ttfb\">\u6700\u521d\u306e\u30d0\u30a4\u30c8\u307e\u3067\u306e\u6642\u9593\uff08TTFB\uff09\u3068\u306f<\/a><\/li><li class=\"\"><a href=\"#how-long-is-ttfb-time-considered-long\">TTFB\u6642\u9593\u306f\u3069\u306e\u304f\u3089\u3044\u9577\u3044\u3068\u898b\u306a\u3055\u308c\u307e\u3059\u304b\uff1f<\/a><\/li><li class=\"\"><a href=\"#static-webpage-waiting-time-ttfb\">\u9759\u7684Web\u30da\u30fc\u30b8\u5f85\u6a5f\u6642\u9593\uff08TTFB\uff09<\/a><\/li><li class=\"\"><a href=\"#dynamic-webpage-waiting-time-ttfb\">\u52d5\u7684Web\u30da\u30fc\u30b8\u5f85\u6a5f\u6642\u9593\uff08TTFB\uff09<\/a><\/li><li class=\"\"><a href=\"#reasons-for-long-ttfb\">TTFB\u304c\u9577\u3044\u7406\u7531<\/a><\/li><li class=\"\"><a href=\"#the-solution-for-long-ttfb\">\u9577\u3044TTFB\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a><\/li><\/ul><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-is-time-to-first-byte-ttfb\">\u6700\u521d\u306e\u30d0\u30a4\u30c8\u307e\u3067\u306e\u6642\u9593\uff08TTFB\uff09\u3068\u306f<\/h2>\n\n\n\n<p>TTFB\u306fTimeto First Byte\u306e\u7565\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u5fdc\u7b54\u30c7\u30fc\u30bf\u306e\u53d7\u4fe1\u3092\u958b\u59cb\u3059\u308b\u6642\u9593\uff08\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u51e6\u7406\u6642\u9593+\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u6642\u9593\uff09\u3092\u6307\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u901f\u5ea6\u306e\u91cd\u8981\u306a\u6307\u6a19\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u53cb\u9054\u306b\u8cea\u554f\u3059\u308b\u5834\u5408\u3001\u53cb\u9054\u304c\u8003\u3048\u308b\u6642\u9593\u304c\u77ed\u3044\u307b\u3069\u3001\u53cb\u9054\u306f\u8ce2\u304f\u306a\u308a\u3001\u554f\u984c\u306b\u7cbe\u901a\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306e\u5834\u5408\u3001TTFB\u6642\u9593\u304c\u77ed\u3044\u307b\u3069\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u306f\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-long-is-ttfb-time-considered-long\">TTFB\u6642\u9593\u306f\u3069\u306e\u304f\u3089\u3044\u9577\u3044\u3068\u898b\u306a\u3055\u308c\u307e\u3059\u304b\uff1f<\/h2>\n\n\n\n<p>\u5404\u30b5\u30fc\u30d0\u30fc\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u5404\u30b5\u30fc\u30d0\u30fc\u306eTTFB\u6642\u9593\u3082\u7570\u306a\u308a\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u3092\u3069\u3053\u307e\u3067\u6700\u9069\u5316\u3067\u304d\u308b\u304b\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001\u9759\u7684HTML\u30da\u30fc\u30b8\u3092\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066\u304b\u3089\u3001\u3053\u308c\u3089\u306e\u9759\u7684\u30da\u30fc\u30b8\u3092\u958b\u3044\u3066\u3001\u3053\u308c\u3089\u306e\u30da\u30fc\u30b8\u306eTTFB\u6642\u9593\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30b5\u30fc\u30d0\u30fc\u306eTTFB\u6642\u9593\u306f50\u30df\u30ea\u79d2\u3001\u4eca\u56de\u306f\u6700\u9069\u5316\u3092\u8ffd\u6c42\u3067\u304d\u308b\u6642\u9593\u3067\u3059\u3002\u6b21\u306e2\u3064\u306e\u56f3\u306eTTFB\u6642\u9593\u306f\u3001\u3053\u306e\u30b5\u30a4\u30c8\u304c\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u9759\u7684\u30da\u30fc\u30b8\u3068\u52d5\u7684\u30da\u30fc\u30b8\u306eTTFB\u5f85\u6a5f\u6642\u9593\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"static-webpage-waiting-time-ttfb\">\u9759\u7684Web\u30da\u30fc\u30b8\u5f85\u6a5f\u6642\u9593\uff08TTFB\uff09<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-static.png\" alt=\"TTFB\u3092\u30b9\u30d4\u30fc\u30c9\u30a2\u30c3\u30d7\" class=\"wp-image-410 lazyload\"\/><noscript><img decoding=\"async\" width=\"857\" height=\"336\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-static.png?resize=857%2C336&#038;ssl=1\" alt=\"TTFB\u3092\u30b9\u30d4\u30fc\u30c9\u30a2\u30c3\u30d7\" class=\"wp-image-410 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-static.png?w=857&amp;ssl=1 857w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-static.png?resize=300%2C118&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-static.png?resize=768%2C301&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-static.png?resize=18%2C7&amp;ssl=1 18w\" sizes=\"(max-width: 857px) 100vw, 857px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dynamic-webpage-waiting-time-ttfb\">\u52d5\u7684Web\u30da\u30fc\u30b8\u5f85\u6a5f\u6642\u9593\uff08TTFB\uff09<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-dynamic.png\" alt=\"TTFB\u3092\u30b9\u30d4\u30fc\u30c9\u30a2\u30c3\u30d7\" class=\"wp-image-411 lazyload\"\/><noscript><img decoding=\"async\" width=\"860\" height=\"336\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-dynamic.png?resize=860%2C336&#038;ssl=1\" alt=\"TTFB\u3092\u30b9\u30d4\u30fc\u30c9\u30a2\u30c3\u30d7\" class=\"wp-image-411 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-dynamic.png?w=860&amp;ssl=1 860w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-dynamic.png?resize=300%2C117&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-dynamic.png?resize=768%2C300&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/ttfb-dynamic.png?resize=18%2C7&amp;ssl=1 18w\" sizes=\"(max-width: 860px) 100vw, 860px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<p>\u79c1\u305f\u3061\u306e\u30c6\u30b9\u30c8\u306b\u3088\u308b\u3068\u3001TTFB\u6642\u9593\u304c500\u30df\u30ea\u79d2\u3092\u8d85\u3048\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306fWeb\u30da\u30fc\u30b8\u3092\u958b\u304f\u3068\u304d\u306b\u304b\u306a\u308a\u306e\u5f85\u3061\u6642\u9593\u3092\u611f\u3058\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002 500\u30df\u30ea\u79d2\u304c\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3068\u898b\u306a\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" 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