{"id":589,"date":"2023-09-25T12:56:07","date_gmt":"2023-09-25T03:56:07","guid":{"rendered":"https:\/\/fastest.jp\/blog\/?p=589"},"modified":"2023-10-13T19:23:48","modified_gmt":"2023-10-13T10:23:48","slug":"time-to-first-byte","status":"publish","type":"post","link":"https:\/\/fastest.jp\/blog\/time-to-first-byte\/","title":{"rendered":"Time To First Byte\uff08TTFB\uff09\u3068\u306f\uff1f\u6982\u8981\u304b\u3089\u6539\u5584\u65b9\u6cd5\u307e\u3067\u89e3\u8aac"},"content":{"rendered":"\n<p>Time To First Byte\uff08TTFB\uff09\u3068\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u793a\u3059\u6307\u6a19\u3067\u3059\u3002<br><span class=\"fastest-text-marker\">\u30d6\u30e9\u30a6\u30b6\u304c\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30c7\u30fc\u30bf\u306e\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u3051\u53d6\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u8a08\u6e2c\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p><span class=\"fastest-text-marker\">TTFB \u304c\u9577\u3044\u3068\u3001\u305d\u308c\u306b\u7d9a\u304f FCP \u3084 LCP \u306a\u3069\u306e\u6307\u6a19\u306b\u3082\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/span><br>\u307e\u305f\u3001\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u304c\u9045\u3044\u3068\u76f4\u5e30\u7387\u306e\u5897\u52a0\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><span class=\"fastest-text-marker\">TTFB \u306e\u6307\u6a19\u306f\u305d\u308c\u81ea\u4f53\u3092\u76ee\u6a19\u306b\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u6307\u91dd\u3092\u6c7a\u3081\u308b\u305f\u3081\u306b\u7528\u3044\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001TTFB \u306e\u6982\u8981\u304b\u3089\u6539\u5584\u65b9\u6cd5\u307e\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">TTFB \u3068\u306f<\/h2>\n\n\n\n<p>\u3053\u306e\u7ae0\u3067\u306f\u3001TTFB \u306e\u6982\u8981\u3068\u5f79\u5272\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">TTFB\u306e\u6982\u8981<\/h3>\n\n\n\n<p>TTFB \u306f\u524d\u8ff0\u3057\u305f\u901a\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30c7\u30fc\u30bf\u306e\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u3051\u53d6\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30ea\u30bd\u30fc\u30b9\u306e\u8981\u6c42\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u304c\u5fdc\u7b54\u3057\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u304c\u5230\u7740\u3059\u308b\u307e\u3067\u306e\u6d41\u308c\u306f\u4ee5\u4e0b\u306e\u56f3\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"674\" src=\"https:\/\/storage.fastest.jp\/2023\/09\/image-3.png\" alt=\"\u30ea\u30bd\u30fc\u30b9\u306e\u8981\u6c42\u304b\u3089\u30d6\u30e9\u30a6\u30b6\u304c\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u3051\u53d6\u308b\u307e\u3067\u306e\u6d41\u308c\" class=\"wp-image-601\" srcset=\"https:\/\/storage.fastest.jp\/2023\/09\/image-3.png 1600w, https:\/\/storage.fastest.jp\/2023\/09\/image-3-300x126.png 300w, https:\/\/storage.fastest.jp\/2023\/09\/image-3-1024x431.png 1024w, https:\/\/storage.fastest.jp\/2023\/09\/image-3-768x324.png 768w, https:\/\/storage.fastest.jp\/2023\/09\/image-3-1536x647.png 1536w, https:\/\/storage.fastest.jp\/2023\/09\/image-3-1568x661.png 1568w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">\u753b\u50cf\u5f15\u7528\u5143\uff1a<a href=\"https:\/\/web.dev\/articles\/ttfb?hl=ja\" target=\"_blank\" rel=\"noreferrer noopener\">Time To First Byte (TTFB) &#8211; Web.dev<\/a><\/p>\n\n\n\n<p><span class=\"fastest-text-marker\">\u753b\u50cf\u306e startTime \u304b\u3089 responseStart \u307e\u3067\u306e\u6642\u9593\u304c TTFB \u3067\u3059\u3002<\/span><br>URL \u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304b\u3089\u3001\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u3051\u53d6\u308b\u307e\u3067\u306b TTFB \u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3082\u306e\u306f\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e4\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30fb\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306e\u8981\u6c42<br>\u30fbService Worker \u306e\u8d77\u52d5\u6642\u9593 (\u8a72\u5f53\u3059\u308b\u5834\u5408)<br>\u30fbDNS \u30eb\u30c3\u30af\u30a2\u30c3\u30d7<br>\u30fbSSL\/TLS \u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306e\u8981\u6c42<\/h4>\n\n\n\n<p>\u30da\u30fc\u30b8\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3068\u306f\u3001Web \u30b5\u30a4\u30c8\u5168\u4f53\u3084\u30da\u30fc\u30b8\u3092\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u3057\u305f\u969b\u306b\u65e7 URL \u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u3092\u81ea\u52d5\u7684\u306b\u65b0 URL \u3078\u8ee2\u9001\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<br>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u65e7 URL \u3092\u77e5\u3063\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u65b0 URL \u306b\u8a98\u5c0e\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3060\u3051\u3067\u306a\u304f\u3001SEO \u306e\u8a55\u4fa1\u3092\u5f15\u304d\u7d99\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3063\u305f\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Service Worker \u306e\u8d77\u52d5\u6642\u9593<\/h4>\n\n\n\n<p>Service Worker \u3068\u306f\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067 JavaScript \u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u74b0\u5883\u3067\u3059\u3002<br>\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6d3b\u7528\u3057\u3066\u30aa\u30d5\u30e9\u30a4\u30f3\u3067\u5229\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">DNS \u30eb\u30c3\u30af\u30a2\u30c3\u30d7<\/h4>\n\n\n\n<p>DNS \u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u306f DNS\uff08Domain Name System\uff09\u3092\u7528\u3044\u3066\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u304b\u3089\u30db\u30b9\u30c8\u540d\u3084 IP \u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u3079\u305f\u308a\u3001\u9006\u306b\u30db\u30b9\u30c8\u540d\u3084 IP \u30a2\u30c9\u30ec\u30b9\u304b\u3089\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u8abf\u3079\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">SSL\/TLS \u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3<\/h4>\n\n\n\n<p>SSL\/TLS \u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u3069\u306e\u3088\u3046\u306b\u30c7\u30fc\u30bf\u3092\u6697\u53f7\u5316\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">TTFB\u306e\u5f79\u5272<\/h3>\n\n\n\n<p>TTFB \u306b\u3064\u3044\u3066 Google \u306f\u4ee5\u4e0b\u306e\u898b\u89e3\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>TTFB \u306fCore Web Vitals\u6307\u6a19\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u91cd\u8981\u306a\u6307\u6a19\u3067\u826f\u597d\u306a\u30b9\u30b3\u30a2\u3092\u7372\u5f97\u3059\u308b\u80fd\u529b\u3092\u59a8\u3052\u306a\u3044\u9650\u308a\u3001\u30b5\u30a4\u30c8\u304c\u300c\u826f\u597d\u306a\u300dTTFB \u3057\u304d\u3044\u5024\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u7d76\u5bfe\u306b\u5fc5\u8981\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>Web \u30b5\u30a4\u30c8\u306b\u3088\u3063\u3066\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u914d\u4fe1\u65b9\u6cd5\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u3092\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u9001\u4fe1\u3059\u308b\u306b\u306f\u3001TTFB \u304c\u4f4e\u3044\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u30b7\u30f3\u30b0\u30eb \u30da\u30fc\u30b8 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 (SPA) \u306e\u5834\u5408\u306e\u3088\u3046\u306b\u3001Web \u30b5\u30a4\u30c8\u304c\u6700\u521d\u306e\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u3092\u8fc5\u901f\u306b\u914d\u4fe1\u3059\u308b\u3082\u306e\u306e\u3001\u305d\u306e\u5f8c\u305d\u306e\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u306b\u610f\u5473\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306b JavaScript \u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u306f\u3001\u53ef\u80fd\u306a\u9650\u308a\u4f4e\u3044 TTFB \u3092\u9054\u6210\u3059\u308b\u3053\u3068\u304c\u7279\u306b\u91cd\u8981\u3067\u3059\u3002 -\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u3088\u308a\u65e9\u304f\u884c\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u9006\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u306e\u4f5c\u696d\u304c\u305d\u308c\u307b\u3069\u5fc5\u8981\u3068\u3057\u306a\u3044\u30b5\u30fc\u30d0\u30fc\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30b5\u30a4\u30c8\u3067\u306f\u3001\u5b8c\u5168\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3088\u308a\u3082 TTFB \u306f\u9ad8\u304f\u306a\u308a\u307e\u3059\u304c\u3001FCP \u3068 LCP \u306e\u5024\u304c\u512a\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001TTFB \u306e\u3057\u304d\u3044\u5024\u306f\u300c\u5927\u307e\u304b\u306a\u30ac\u30a4\u30c9\u300d\u3067\u3042\u308a\u3001\u30b5\u30a4\u30c8\u306e\u30b3\u30a2 \u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u914d\u4fe1\u65b9\u6cd5\u3068\u6bd4\u8f03\u3057\u3066\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<cite>Time to First Byte\uff08TTFB\uff09- Web.dev<br><a href=\"https:\/\/web.dev\/ttfb\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/web.dev\/ttfb\/<\/a><\/cite><\/blockquote>\n\n\n\n<p>TTFB \u306f\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u793a\u3059\u6307\u6a19\u3067\u3001\u30b9\u30b3\u30a2\u3092\u826f\u597d\u306b\u4fdd\u3064\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<br>\u3057\u304b\u3057\u3001<span class=\"fastest-text-marker\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u4f5c\u696d\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u30b5\u30fc\u30d0\u30fc\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u30b5\u30a4\u30c8\u306f\u3001TTFB \u306e\u30b9\u30b3\u30a2\u306f\u9ad8\u304f\u306a\u308a\u307e\u3059\u304c\u3001FCP \u3084 LCP \u306e\u5024\u304c\u512a\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p><span class=\"fastest-text-marker\">LCP \u306f Core Web Vitals \u306e\u6307\u6a19\u306e\u3072\u3068\u3064\u3067\u3042\u308a\u3001TTFB \u3088\u308a\u3082\u91cd\u8981\u5ea6\u304c\u9ad8\u3044\u3067\u3059\u3002<\/span><br>\u305d\u306e\u305f\u3081\u3001TTFB \u306e\u30b9\u30b3\u30a2\u306f\u5927\u307e\u304b\u306a\u30ac\u30a4\u30c9\u3067\u3042\u308a\u3001<span class=\"fastest-text-marker\">\u30b5\u30a4\u30c8\u306e\u914d\u4fe1\u65b9\u6cd5\u3092\u8003\u616e\u3057\u3066\u6539\u5584\u306e\u512a\u5148\u5ea6\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n\n\n\n<p>FCP \u3084 LCP \u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<br>\u3010\u53c2\u8003\u3011<a href=\"https:\/\/fastest.jp\/blog\/first-contentful-paint\/\" target=\"_blank\" rel=\"noreferrer noopener\">First Contentful Paint\uff08FCP\uff09\u3068\u306f\uff1f\u6982\u8981\u3068\u6539\u5584\u65b9\u6cd5\u3092\u89e3\u8aac<\/a><br>\u3010\u53c2\u8003\u3011<a href=\"https:\/\/fastest.jp\/blog\/largest-contentful-paint\/\" target=\"_blank\" rel=\"noreferrer noopener\">Core Web Vitals \u306e\u6307\u6a19 LCP \u3068\u306f\uff1f\u6982\u8981\u304b\u3089\u6539\u5584\u65b9\u6cd5\u307e\u3067\u89e3\u8aac<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">TTFB \u3092\u6e2c\u5b9a\u3067\u304d\u308b\u30c4\u30fc\u30eb<\/h2>\n\n\n\n<p>Google \u306f TTFB \u306e\u6e2c\u5b9a\u30c4\u30fc\u30eb\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u4ee3\u8868\u7684\u306a\u30c4\u30fc\u30eb\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306e2\u3064\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30fbPageSpeed Insights<br>\u30fbWeb Vitals<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PageSpeed Insights<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"730\" height=\"418\" src=\"https:\/\/storage.fastest.jp\/2023\/09\/image-1.png\" alt=\"PageSpeed Insights\u306eTTFB\u78ba\u8a8d\u65b9\u6cd5\" class=\"wp-image-598\" srcset=\"https:\/\/storage.fastest.jp\/2023\/09\/image-1.png 730w, https:\/\/storage.fastest.jp\/2023\/09\/image-1-300x172.png 300w\" sizes=\"auto, (max-width: 730px) 100vw, 730px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/pagespeed.web.dev\/?hl=ja\" target=\"_blank\" rel=\"noreferrer noopener\">PageSpeed Insights<\/a> \u306f\u3001Web \u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u306e\u6e2c\u5b9a\u3084\u6539\u5584\u70b9\u3092\u628a\u63e1\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p>TTFB \u306f PageSpeed insights \u306e\u30ec\u30dd\u30fc\u30c8\u306e\u3001\u300c\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u74b0\u5883\u3067\u8a55\u4fa1\u3059\u308b\u300d\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><span class=\"fastest-text-marker\">TTFB \u306e\u30b9\u30b3\u30a2\u306f\u79d2\u6570\u3067\u8868\u793a\u3055\u308c\u30010.8\u79d2\u4ee5\u4e0b\u3067\u3042\u308c\u3070\u826f\u597d\u30011.8\u79d2\u3088\u308a\u9577\u3044\u3068\u4e0d\u826f\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"412\" src=\"https:\/\/storage.fastest.jp\/2023\/09\/image-2.png\" alt=\"TTFB\u306e\u30b9\u30b3\u30a2\u306e\u8a55\u4fa1\" class=\"wp-image-599\" style=\"width:380px;height:undefinedpx\" srcset=\"https:\/\/storage.fastest.jp\/2023\/09\/image-2.png 558w, https:\/\/storage.fastest.jp\/2023\/09\/image-2-300x222.png 300w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Web Vitals<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"557\" height=\"597\" src=\"https:\/\/storage.fastest.jp\/2023\/09\/image.png\" alt=\"Web Vitals\u306eTTFB\u78ba\u8a8d\u65b9\u6cd5\" class=\"wp-image-600\" srcset=\"https:\/\/storage.fastest.jp\/2023\/09\/image.png 557w, https:\/\/storage.fastest.jp\/2023\/09\/image-280x300.png 280w\" sizes=\"auto, (max-width: 557px) 100vw, 557px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/chrome.google.com\/webstore\/detail\/web-vitals\/ahfhijdlegdabablpippeagghigmibma?hl=ja\" target=\"_blank\" rel=\"noreferrer noopener\">Web Vitals<\/a> \u306f Google Chrome \u306e\u62e1\u5f35\u6a5f\u80fd\u3067\u3059\u3002<br>\u8a08\u6e2c\u5bfe\u8c61\u306e Web \u30b5\u30a4\u30c8\u304b\u3089\u62e1\u5f35\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001TTFB \u306e\u30b9\u30b3\u30a2\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">TTFB \u306e\u6539\u5584\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u3053\u306e\u7ae0\u3067\u306f\u3001TTFB \u306e\u6539\u5584\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<br>TTFB \u306e\u6539\u5584\u65b9\u6cd5\u306f\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e6\u3064\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30fb\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u306e\u6539\u5584<br>\u30fb\u8907\u6570\u30da\u30fc\u30b8\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u907f\u3051\u308b<br>\u30fb\u30d7\u30ec\u30df\u30a2\u30e0DNS\u3092\u5229\u7528\u3059\u308b<br>\u30fbPHP \u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u308b<br>\u30fbHTTP\/3\u3092\u4f7f\u7528\u3059\u308b<br>\u30fb\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u4e8b\u524d\u63a5\u7d9a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u306e\u6539\u5584<\/h3>\n\n\n\n<p>\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u5fdc\u7b54\u6642\u9593\u304c\u9577\u3044\u3068\u3001\u753b\u9762\u306b\u8868\u793a\u3055\u305b\u308b\u307e\u3067\u306e\u6642\u9593\u3082\u9577\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><span class=\"fastest-text-marker\">\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3067\u3001TTFB \u3092\u542b\u3080\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u306b\u95a2\u9023\u3059\u308b\u6307\u6a19\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u3092\u884c\u3046\u3053\u3068\u3067\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b5\u30fc\u30d0\u30fc\u306e\u6700\u9069\u5316<\/h4>\n\n\n\n<p>\u5229\u7528\u3057\u3066\u3044\u308b\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u901f\u3055\u306f TTFB \u306e\u6307\u6a19\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<br><span class=\"fastest-text-marker\">\u3088\u308a\u901f\u5ea6\u304c\u901f\u3044\u30b5\u30fc\u30d0\u30fc\u306b\u4e57\u308a\u63db\u3048\u308b\u3053\u3068\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p>\u307e\u305f\u3001<span class=\"fastest-text-marker\">\u30b5\u30fc\u30d0\u30fc\u306b\u8ca0\u8377\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u30bf\u30b9\u30af\uff08\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u3084\u975e\u52b9\u7387\u306a\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u306a\u3069\uff09\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30bf\u30b9\u30af\u3092\u52b9\u7387\u5316\u3055\u305b\u308b\u3053\u3068\u3067\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528<\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1539\" height=\"889\" src=\"https:\/\/storage.fastest.jp\/2023\/09\/image-4.png\" alt=\"\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3057\u3068\u30ad\u30e3\u30c3\u30b7\u30e5\u3042\u308a\u306e\u6bd4\u8f03\" class=\"wp-image-602\" srcset=\"https:\/\/storage.fastest.jp\/2023\/09\/image-4.png 1539w, https:\/\/storage.fastest.jp\/2023\/09\/image-4-300x173.png 300w, https:\/\/storage.fastest.jp\/2023\/09\/image-4-1024x592.png 1024w, https:\/\/storage.fastest.jp\/2023\/09\/image-4-768x444.png 768w, https:\/\/storage.fastest.jp\/2023\/09\/image-4-1536x887.png 1536w\" sizes=\"auto, (max-width: 1539px) 100vw, 1539px\" \/><\/figure>\n\n\n\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u306f\u3001\u4f7f\u7528\u983b\u5ea6\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u3084\u76f4\u8fd1\u306b\u8aad\u307f\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u3092\u4e00\u6642\u7684\u306b\u4fdd\u5b58\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002<br>\u4e00\u5ea6\u4fdd\u5b58\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u3001\u6539\u3081\u3066\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093<br><span class=\"fastest-text-marker\">\u4fdd\u5b58\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u3067\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u5fdc\u7b54\u3092\u77ed\u7e2e\u3067\u304d\u308b\u305f\u3081 TTFB \u306e\u6539\u5584\u304c\u53ef\u80fd\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u5730\u7406\u7684\u306b\u8fd1\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30ea\u30d0\u30ea\u30fc\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09\u3092\u6d3b\u7528\u3059\u308b<\/h4>\n\n\n\n<p>CDN \u3068\u306f\u3001\u69d8\u3005\u306a\u5834\u6240\u306b\u5206\u6563\u3057\u3066\u8a2d\u7f6e\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3059\u3002<br>\u30b5\u30fc\u30d0\u30fc\u3068\u30e6\u30fc\u30b6\u30fc\u304c\u5730\u7406\u7684\u306b\u9060\u3044\u3068\u3001\u30c7\u30fc\u30bf\u306e\u9001\u53d7\u4fe1\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002<br><span class=\"fastest-text-marker\">\u30e6\u30fc\u30b6\u30fc\u306b\u8fd1\u3044 CDN \u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8907\u6570\u30da\u30fc\u30b8\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u907f\u3051\u308b<\/h3>\n\n\n\n<p>\u30da\u30fc\u30b8\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306f\u3001\u65e7 URL \u3092\u77e5\u3063\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u65b0 URL \u306b\u8a98\u5c0e\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u4e00\u65b9\u3067<span class=\"fastest-text-marker\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ea\u30bd\u30fc\u30b9\u306e\u53d6\u5f97\u306e\u624b\u9593\u304c\u5897\u3048\u307e\u3059\u3002<\/span>\u305d\u306e\u305f\u3081\u3001\u8907\u6570\u30da\u30fc\u30b8\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u304c\u3042\u308b\u5834\u5408\u306f\u3001TTFB \u306e\u30b9\u30b3\u30a2\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d7\u30ec\u30df\u30a2\u30e0DNS\u3092\u5229\u7528\u3059\u308b<\/h3>\n\n\n\n<p>DNS\uff08Domain Name System\uff09\u3068\u306f\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3068 IP \u30a2\u30c9\u30ec\u30b9\u3092\u7d10\u3065\u3051\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002<br><span class=\"fastest-text-marker\">\u30d7\u30ec\u30df\u30a2\u30e0 DNS \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306f\u3001\u7121\u6599\u306e DNS \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3068\u6bd4\u3079\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u3068\u3044\u3063\u305f\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u3001TTFB \u306e\u6539\u5584\u304c\u53ef\u80fd\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PHP \u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u308b<\/h3>\n\n\n\n<p>PHP \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3059\u308b\u3053\u3068\u3067 TTFB \u3092\u6539\u5584\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br><span class=\"fastest-text-marker\"><a rel=\"noreferrer noopener\" href=\"https:\/\/ja.wordpress.org\/about\/requirements\/\" target=\"_blank\">WordPress \u306e\u516c\u5f0f\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u3001 PHP \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f7.4\u4ee5\u4e0a\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/span><br>\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">HTTP\/3\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n\n\n\n<p>HTTP\/3\u306f2022\u5e746\u6708\u306b\u6a19\u6e96\u5316\u3055\u308c\u305f\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<br>\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u3001\u7570\u306a\u308b\u30c7\u30d0\u30a4\u30b9\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u4e92\u3044\u306b\u901a\u4fe1\u3059\u308b\u305f\u3081\u306b\u5236\u5b9a\u3055\u308c\u305f\u898f\u7d04\u3067\u3059\u3002<br>HTTP \u306f Web \u30b5\u30fc\u30d0\u30fc\u3068 Web \u30d6\u30e9\u30a6\u30b6\u306e\u9593\u3067\u60c5\u5831\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u305f\u3081\u306e\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3001HTTP\/3\u306f HTTP \u306e3\u3064\u3081\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<p><span class=\"fastest-text-marker\">2\u3064\u3081\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308b HTTP\/2\u3068\u6bd4\u3079\u3066\u3001\u3088\u308a\u65e9\u304f Web \u30b5\u30a4\u30c8\u3092\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u6539\u826f\u3055\u308c\u307e\u3057\u305f\u3002<\/span><\/p>\n\n\n\n<p>HTTP\/3 \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067 TTFB \u306e\u30b9\u30b3\u30a2\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u4e8b\u524d\u63a5\u7d9a<\/h3>\n\n\n\n<p>Web \u30da\u30fc\u30b8\u3067\u306f\u3001JavaScript \u3084 Web \u30d5\u30a9\u30f3\u30c8\u306a\u3069\u306e\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<br>\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u306e\u30bf\u30b9\u30af\u304c\u5897\u3048\u308b\u305f\u3081\u3001TTFB \u306e\u5897\u52a0\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u306b\u4e8b\u524d\u306b\u63a5\u7d9a\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001TTFB \u306e\u30b9\u30b3\u30a2\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u4f8b\u3048\u3070\u3001<span class=\"fastest-text-marker\">link \u8981\u7d20\u306e rel \u5c5e\u6027\u306b preconnect \u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u30ea\u30f3\u30af\u5148\u3078\u4e8b\u524d\u306b\u63a5\u7d9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>link rel=\"preconnect\" href=\"https:\/\/sample.com\"<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001PageSpeed Insights \u306e\u6307\u6a19\u306e\u3072\u3068\u3064\u3067\u3042\u308b TTFB \u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>TTFB \u306f\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u793a\u3059\u6307\u6a19\u3067\u3059\u3002<br>TTFB \u306e\u30b9\u30b3\u30a2\u306f\u3001\u305d\u308c\u306b\u7d9a\u304f FCP \u3084 LCP \u306a\u3069\u306e\u6307\u6a19\u306b\u3082\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001TTFB \u306e\u30b9\u30b3\u30a2\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3067 FCP \u3084 LCP \u306e\u30b9\u30b3\u30a2\u3082\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>TTFB \u3092\u7528\u3044\u3066\u6539\u5584\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u6c7a\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001\u5f53\u793e\u3067\u306f\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u306e\u6539\u5584\u30921\u30af\u30ea\u30c3\u30af\u3067\u884c\u3048\u308b\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u30da\u30fc\u30b8\u9ad8\u901f\u5316\u30c4\u30fc\u30eb FasTest\uff08\u30d5\u30a1\u30fc\u30b9\u30c6\u30b9\u30c8\uff09 \u3092\u958b\u767a\u30fb\u8ca9\u58f2\u3057\u3066\u3044\u307e\u3059\u3002<br>\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3082\u5b9f\u65bd\u3057\u3066\u304a\u308a\u307e\u3059\u306e\u3067\u3001\u3054\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u305c\u3072\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<div class=\"fastest-button\">\n  <a\n    class=\"cta-button cta-button--primary-color cta-button--m-size\"\n    href=\"https:\/\/fastest.jp\/trial\/\"\n    target=\"_blank\"\n  >\n    \u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u306f\u3053\u3061\u3089  <\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Time To First Byte\uff08TTFB\uff09\u3068\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u793a\u3059\u6307\u6a19\u3067\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u304c\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30c7\u30fc\u30bf\u306e\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u3051\u53d6\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u8a08\u6e2c\u3057\u307e\u3059\u3002 TTFB \u304c\u9577\u3044\u3068\u3001\u305d\u308c\u306b\u7d9a\u304f FCP \u3084 L&hellip; <a class=\"more-link\" href=\"https:\/\/fastest.jp\/blog\/time-to-first-byte\/\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">Time To First Byte\uff08TTFB\uff09\u3068\u306f\uff1f\u6982\u8981\u304b\u3089\u6539\u5584\u65b9\u6cd5\u307e\u3067\u89e3\u8aac<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":596,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-589","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-page-speed","entry"],"acf":[],"_links":{"self":[{"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/posts\/589","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/comments?post=589"}],"version-history":[{"count":4,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/posts\/589\/revisions"}],"predecessor-version":[{"id":614,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/posts\/589\/revisions\/614"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/media\/596"}],"wp:attachment":[{"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/media?parent=589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/categories?post=589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/tags?post=589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}