{"id":1927,"date":"2015-05-30T15:44:59","date_gmt":"2015-05-30T06:44:59","guid":{"rendered":"http:\/\/blog.xcir.net\/?p=1927"},"modified":"2017-02-17T23:10:02","modified_gmt":"2017-02-17T14:10:02","slug":"%e3%82%b5%e3%82%a4%e3%83%88%e3%81%ae%e9%ab%98%e9%80%9f%e5%8c%96%e3%82%92%e9%9b%a3%e3%81%97%e3%81%8f%e8%80%83%e3%81%88%e3%82%8b%e5%89%8d%e3%81%ab","status":"publish","type":"post","link":"http:\/\/blog.xcir.net\/?p=1927","title":{"rendered":"\u30b5\u30a4\u30c8\u306e\u9ad8\u901f\u5316\u3092\u96e3\u3057\u304f\u8003\u3048\u308b\u524d\u306b"},"content":{"rendered":"<p>\u3053\u3053\u6700\u8fd1\u3044\u304f\u3064\u304b\u306e\u30b5\u30a4\u30c8\u3092\u898b\u3066\u3044\u3066\u3001\u30a2\u30ec\uff1f\u5999\u306b\u91cd\u304f\u306a\u3044\uff1f\u3068DevTools\u7b49\u3092\u898b\u3066\u307f\u305f\u3089\u3044\u308d\u3044\u308d\u306a\u554f\u984c\u70b9\u3092\u898b\u3064\u3051\u307e\u3057\u305f\u3002<br 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\/>\n\u30de\u30b7\u30f3\u30b9\u30da\u30c3\u30af\u3084\u30d6\u30e9\u30a6\u30b6\u306e\u9ad8\u901f\u5316\u7b49\u3044\u308d\u3044\u308d\u3042\u308a\u307e\u3059\u304c\u3001\u30e9\u30b9\u30c8\u30ef\u30f3\u30de\u30a4\u30eb\u306eNW\u5e2f\u57df\u304c\u6539\u5584\u3057\u305f\u306e\u304c\u5927\u304d\u3044\u3068\u500b\u4eba\u7684\u306b\u306f\u611f\u3058\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u3001\u305d\u308c\u306b\u7518\u3048\u3066\u4e0d\u5fc5\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u305b\u3066\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n\u6700\u8fd1\u306eChrome\u306fLTE\u30843G\u306a\u3069\u306eNW\u74b0\u5883\u3092\u30a8\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u3001\u3069\u306e\u7a0b\u5ea6\u6642\u9593\u304c\u304b\u304b\u308b\u304b\u306a\u3069\u304c\u308f\u304b\u308b\u306e\u3067\u65e9\u901f\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\uff08\u3082\u3061\u308d\u3093\u5b9f\u6a5f\u304c\u4e00\u756a\u306a\u306e\u3067\u7c21\u6613\u7684\u624b\u6bb5\u3067\u3059\uff09<\/p>\n<div id=\"attachment_1939\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1939\" class=\"size-medium wp-image-1939\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/1-300x228.jpg\" alt=\"iPhone6(LTE)\u507d\u88c5 11.82sec 4.8MB\" width=\"300\" height=\"228\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/1-300x228.jpg 300w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/1-1024x780.jpg 1024w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/1.jpg 1119w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1939\" class=\"wp-caption-text\">iPhone6(LTE)\u507d\u88c5 11.82sec 4.8MB<\/p><\/div>\n<p>\u4f8b\u3048\u3070\u3053\u306e\u30b5\u30a4\u30c8\u306f\u30b9\u30de\u30db\u30da\u30fc\u30b8\u30674.8MB\u3082\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u901a\u4fe1\u74b0\u5883\u306e\u60aa\u3044\u3068\u3053\u308d\u3067\u5feb\u9069\u306b\u95b2\u89a7\u3067\u304d\u308b\u3088\u3046\u306a\u30b5\u30a4\u30c8\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<div id=\"attachment_1943\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1943\" class=\"size-medium wp-image-1943\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/2-300x228.jpg\" alt=\"iPhone6(LTE)\u507d\u88c5 2.8min 83.6MB\" width=\"300\" height=\"228\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/2-300x228.jpg 300w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/2-1024x780.jpg 1024w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/2.jpg 1119w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1943\" class=\"wp-caption-text\">iPhone6(LTE)\u507d\u88c5 2.8min 83.6MB<\/p><\/div>\n<p>\u3053\u306e\u30da\u30fc\u30b8\u306b\u95a2\u3057\u3066\u306f13\u56de\u898b\u308b\u3068\u30ad\u30e3\u30ea\u30a2\u306e\u5236\u9650\u306b\u9054\u3059\u308b\u3068\u3044\u3046\u305d\u3082\u305d\u3082\u8ad6\u5916\u306a\u30ec\u30d9\u30eb\u3067\u3059\u3002<\/p>\n<div id=\"attachment_1944\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/3.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1944\" class=\"size-medium wp-image-1944\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/3-300x228.jpg\" alt=\"PC(FTTH) 25.06sec 11.2MB\" width=\"300\" height=\"228\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/3-300x228.jpg 300w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/3-1024x780.jpg 1024w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/3.jpg 1119w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1944\" class=\"wp-caption-text\">PC(FTTH) 25.06sec 11.2MB<\/p><\/div>\n<p>\u3053\u308c\u306f\u3068\u3042\u308b\u30ad\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30b5\u30a4\u30c8\u306e\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u306a\u306e\u3067\u3059\u304c\u3001PC\u74b0\u5883\u306a\u3089\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u4f8b\u3048\u3070\u304a\u7d75\u304b\u304dSNS\u3068\u3057\u3066\u6709\u540d\u306aPixiv\u3067\u3059\u304c<br \/>\nPC\u306e\u30de\u30a4\u30da\u30fc\u30b8\u3092\u898b\u305f\u3068\u3053\u308d4.07sec 3.2MB\u3067\u3001iPhone6(LTE)\u507d\u88c5\u30673.58sec 1.1MB\u3067\u3057\u305f\u3002<br \/>\n\u753b\u50cf\u304c\u4e3b\u5f79\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044\u3060\u308d\u3046\u3068\u4e88\u60f3\u3055\u308c\u308b\u30b5\u30a4\u30c8\u3067\u3082\u3053\u306e\u7a0b\u5ea6\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u50d5\u304c\u898b\u305f\u554f\u984c\u306e\u3042\u308b\u30b5\u30a4\u30c8\u306e\u591a\u304f\u306f\u4e0d\u5fc5\u8981\u306b\u753b\u50cf\u306e\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304b\u3063\u305f\u308a\u3001\u305d\u3082\u305d\u3082\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u52b9\u304b\u306a\u304b\u3063\u305f\u308a\u3057\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\n\u5931\u793c\u306a\u304c\u3089\u958b\u767a\u3059\u308b\u969b\u306b\u5b9f\u6a5f\u3067\u306f\u3042\u307e\u308a\u898b\u3066\u306a\u3044\u3088\u3046\u306b\u601d\u3048\u307e\u3059\u3002\uff08\u898b\u3066\u3044\u305f\u3068\u3057\u3066\u3082wifi\u63a5\u7d9a\u3067\u3068\u304b\uff09<br \/>\n\u91cd\u3044\u30b5\u30a4\u30c8\u3092\u3067\u3082\u8010\u3048\u3066\u898b\u305f\u304f\u306a\u308b\u3088\u3046\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u3042\u308b\u3088\u3046\u306a\u5834\u5408\u3084\u9045\u304f\u3066\u3082\u4f53\u611f\u901f\u5ea6\u306f\u901f\u3044\u5834\u5408\u306f\u9055\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u666e\u901a\u306b\u8003\u3048\u3066\u983b\u7e41\u306b\u898b\u3088\u3046\u3068\u306f\u601d\u308f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3082\u3046\u4f7f\u3044\u53e4\u3055\u308c\u305f\u3088\u3046\u306a\u8a71(2006\u5e74)\u3067\u3059\u304c\u3001Amazon\u3067\u306f0.1\u79d2\u9045\u304f\u306a\u308b\u3068\u58f2\u4e0a\u304c1%\u6e1b\u5c11\u3059\u308b\u3068\u3044\u3046\u306e\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u3053\u308c\u3089\u306e\u591a\u304f\u306e\u30b5\u30a4\u30c8\u306f\u30af\u30e9\u30a6\u30c9\u3067\u69cb\u7bc9\u3055\u308c\u3066\u304a\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u8ee2\u9001\u8ab2\u91d1\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u7d14\u7c8b\u306b\u30b3\u30b9\u30c8\u7684\u89b3\u70b9\u304b\u3089\u3067\u3082\u3044\u3044\u3067\u3059\u3057\u3001\u30e6\u30fc\u30b6\u304b\u3089\u306e\u8996\u70b9\u3067\u3082\u3044\u3044\u306e\u3067\u3001\u307e\u305a\u306f\u81ea\u5206\u306e\u30b5\u30a4\u30c8\u3092\u8a8d\u8b58\u3059\u308b\u3068\u3053\u308d\u304b\u3089\u306f\u3058\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30ea\u30bd\u30fc\u30b9\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u6e1b\u3089\u305d\u3046(INM\/IMS)<\/h3>\n<p>\u30ea\u30bd\u30fc\u30b9\u3092\u898b\u3066\u3044\u308b\u3068Cache-Control\/Expires\u304c\u3064\u3044\u3066\u3044\u306a\u3044\u305f\u3081<br \/>\n\u540c\u3058\u30ea\u30bd\u30fc\u30b9\u3092\u6bce\u56de\u66f4\u65b0\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3068\u30b5\u30fc\u30d0\u306b\u554f\u3044\u5408\u308f\u305b\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u6709\u308a\u307e\u3057\u305f\u3002<br \/>\n\u305d\u306e\u30da\u30fc\u30b8\u3067\u3057\u304b\u5229\u7528\u3057\u306a\u3044\u753b\u50cf\u306a\u3089\u3068\u3082\u304b\u304fCSS\u3084js\u306e\u7528\u306b\u8907\u6570\u306e\u30da\u30fc\u30b8\u3067\u5229\u7528\u3055\u308c\u308b\u3082\u306e\u3082\u3053\u3046\u3060\u3068\u305d\u308c\u3060\u3051\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u60aa\u5316\u3057\u307e\u3059\u3002<\/p>\n<div id=\"attachment_1951\" style=\"width: 208px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/4.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1951\" class=\"size-medium wp-image-1951\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/4-198x300.jpg\" alt=\"304 Not Modified\u3044\u3063\u3071\u3044\" width=\"198\" height=\"300\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/4-198x300.jpg 198w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/4.jpg 561w\" sizes=\"auto, (max-width: 198px) 100vw, 198px\" \/><\/a><p id=\"caption-attachment-1951\" class=\"wp-caption-text\">304 Not Modified\u3044\u3063\u3071\u3044<\/p><\/div>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u304c\u30ea\u30bd\u30fc\u30b9\u3092\u65e2\u306b\u6301\u3063\u3066\u3044\u308b\u5834\u5408\u306fIf-None-Match(INM)\u3082\u3057\u304f\u306fIf-Modified-Since(IMS)\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u3044\u3046\u306e\u3092\u767a\u884c\u3057\u3066\u66f4\u65b0\u304c\u3042\u308b\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002<br \/>\n\uff08\u3061\u306a\u307f\u306bINM\u306fETag\u3092IMS\u306fLast-Modified\u304c\u542b\u3080\u5834\u5408\u306b\u52d5\u4f5c\u3057\u3001\u305d\u306e\u4e21\u65b9\u304c\u306a\u304fcache-control\/Expires\u3082\u7121\u3044\u5834\u5408\u306f\u6bce\u56de\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u53d6\u5f97\u3057\u307e\u3059\uff09<br \/>\n\u66f4\u65b0\u304c\u306a\u3044\u5834\u5408\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u305d\u308c\u3067\u3082\u30b5\u30fc\u30d0\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3059\u308b\u5206\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3057\u3001\u30b5\u30fc\u30d0\u306e\u8ca0\u8377\u3084\u30ea\u30af\u30a8\u30b9\u30c8\u8ab2\u91d1\u304c\u3042\u308b\u3088\u3046\u306a\u5834\u5408\u306f\u30b3\u30b9\u30c8\u5897\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081Cache-Control\/Expires\/ETag\/Last-Modified\u306f\u9069\u5207\u306b\u6307\u5b9a\u3059\u308b\u3079\u304d\u3067\u3059\u3002\uff08\u53c2\u8003\uff1a<a href=\"https:\/\/developers.google.com\/web\/fundamentals\/performance\/optimizing-content-efficiency\/http-caching?hl=ja\">HTTP\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4f5c\u6210<\/a>\uff09<br \/>\n\u3061\u306a\u307f\u306bCache-Control\u3060\u3051\u3067\u3082\u826f\u3044\u306e\u3067\u306f\u3068\u601d\u3046\u4eba\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001ETag\/Last-Modified\u304c\u3042\u308c\u3070\u671f\u9650\u304c\u5207\u308c\u305f\u969b\u306bINM\/IMS\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u884c\u308f\u308c\u30ea\u30bd\u30fc\u30b9\u306b\u66f4\u65b0\u304c\u7121\u3051\u308c\u3070\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u305d\u306e\u307e\u307e\u4f7f\u3046\u305f\u3081\u4e0d\u5fc5\u8981\u306a\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u767a\u751f\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>TTL\u306e\u76ee\u5b89<\/strong><br \/>\n\u4eca\u307e\u3067\u6bce\u56de\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u98db\u3093\u3067\u3044\u305f\u3068\u3053\u308d\u3092\u3001\u3058\u3083\u3042\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3057\u3088\u3046\u3068\u3042\u307e\u308a\u8003\u3048\u305a\u306b\u9577\u3081\u306bTTL\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u554f\u984c\u304c\u8d77\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\n\u7c21\u5358\u306b\u3044\u3046\u3068\u30d5\u30a1\u30a4\u30eb\u3092\u66f4\u65b0\u3057\u305f\u306e\u306b\uff08\u5f53\u7136\u3067\u3059\u304c\uff09\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u5909\u308f\u3089\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u30d5\u30a1\u30a4\u30eb\u540d\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u3084\u65e5\u4ed8\u306a\u3069\u3092\u3064\u3051\u305f\u308a\u3057\u3066\u7570\u306a\u308bURL\u306b\u3057\u3066\u3057\u307e\u3046\u3068\u89e3\u6c7a\u304c\u3067\u304d\u307e\u3059\u3002(ex: hoge.js?20150526)<br \/>\n\u3053\u308c\u306f\u975e\u5e38\u306b\u5f37\u529b\u3067\u3059\u304c\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u4fee\u6b63\u306a\u3069\u304c\u5fc5\u8981\u306b\u306a\u308b\u305f\u3081\u3059\u3050\u306b\u9069\u7528\u3067\u304d\u306a\u3044\u3053\u3068\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002<br \/>\n\u3068\u306f\u3044\u3063\u3066\u3082TTL\u3092\u77ed\u304f\u3057\u3066\u3057\u307e\u3063\u3066\u306f\u3042\u307e\u308a\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u3058\u3083\u3041\u3069\u306e\u7a0b\u5ea6\u306eTTL\u304c\u3042\u308c\u3070\u826f\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n\u4e00\u3064\u306e\u76ee\u5b89\u3067\u3059\u304c\u30b5\u30a4\u30c8\u306e\u6ede\u5728\u6642\u9593\u3092\u76ee\u5b89\u3068\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<div id=\"attachment_1959\" style=\"width: 195px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/5.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1959\" class=\"size-full wp-image-1959\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/5.png\" alt=\"GoogleAnalytics\u3088\u308a\u4f8b\" width=\"185\" height=\"96\" \/><\/a><p id=\"caption-attachment-1959\" class=\"wp-caption-text\">GoogleAnalytics\u3088\u308a\u4f8b<\/p><\/div>\n<p>\u898b\u3066\u308b\u9593\u306b\u4e0d\u8981\u306a\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u767a\u751f\u3057\u306a\u3051\u308c\u3070\u826f\u3044\u306e\u3067\u305d\u308c\u306b\u5408\u308f\u305b\u3066\u3057\u307e\u3048\u3070\u6bd4\u8f03\u7684\u77ed\u304f\u3001\u305d\u3057\u3066\u52b9\u679c\u7684\u306a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u51fa\u6765\u308b\u3067\u3057\u3087\u3046\u3002<br \/>\n\u3082\u3061\u308d\u3093\u3053\u308c\u306f\u5c0f\u624b\u5148\u306e\u5bfe\u5fdc\u3067\u6700\u7d42\u7684\u306b\u306fURL\u3092\u5909\u3048\u308b\u5bfe\u5fdc\u3092\u884c\u3063\u3066TTL\u306f\u9577\u3081\u306b\u8a2d\u5b9a\u3059\u308b\u306e\u304c\u826f\u3044\u3067\u3059\u3002<\/p>\n<h3>\u305d\u306eETag\u9069\u5207\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u3068\u3042\u308b\u30b5\u30a4\u30c8\u3092\u898b\u3066\u3044\u308b\u3068304\u306b\u6df7\u3058\u3063\u3066\u6bce\u56de\u4f55\u6545\u304b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3044\u308b\u3082\u306e\u3092\u898b\u3064\u3051\u307e\u3057\u305f\u3002<br \/>\n\u305d\u3053\u3067\u539f\u56e0\u3092\u8abf\u3079\u3066\u307f\u308b\u3068\u30d5\u30a1\u30a4\u30eb\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u306bETag\u304c\u5909\u308f\u308b\u306e\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002<\/p>\n<div id=\"attachment_1967\" style=\"width: 590px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/7.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1967\" class=\"size-full wp-image-1967\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/7.png\" alt=\"\u30cf\u30c3\u30b7\u30e5\u5024\u304c\u540c\u3058\u306a\u306e\u306bETag\u304c\u9055\u3046\u30d5\u30a1\u30a4\u30eb\" width=\"580\" height=\"297\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/7.png 580w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/7-300x154.png 300w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><\/a><p id=\"caption-attachment-1967\" class=\"wp-caption-text\">\u30cf\u30c3\u30b7\u30e5\u5024\u304c\u540c\u3058\u306a\u306e\u306bETag\u304c\u9055\u3046\u30d5\u30a1\u30a4\u30eb<\/p><\/div>\n<p>\u5148\u307b\u3069\u306e\u30ea\u30bd\u30fc\u30b9\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u6e1b\u3089\u305d\u3046\u3067\u3082\u89e6\u308c\u307e\u3057\u305f\u304cINM\u3067\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u4fdd\u6301\u3057\u3066\u3044\u308bETag\u3092\u30b5\u30fc\u30d0\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3057\u3066\u66f4\u65b0\u304c\u3042\u308c\u3070\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3092\u884c\u3046\u3082\u306e\u3067\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081ETag\u304c\u5909\u308f\u308c\u3070\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3068\u3057\u3066\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<div id=\"attachment_1965\" style=\"width: 576px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/6.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1965\" class=\"size-full wp-image-1965\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/6.png\" alt=\"\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u306a\u306e\u306bETag\u304c\u9055\u3046\u305f\u3081\u30dc\u30c7\u30a3\u3092\u53d6\u5f97\u3057\u305f\u4f8b\" width=\"566\" height=\"464\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/6.png 566w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/6-300x246.png 300w\" sizes=\"auto, (max-width: 566px) 100vw, 566px\" \/><\/a><p id=\"caption-attachment-1965\" class=\"wp-caption-text\">\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u306a\u306e\u306bETag\u304c\u9055\u3046\u305f\u3081\u30dc\u30c7\u30a3\u3092\u53d6\u5f97\u3057\u305f\u4f8b<\/p><\/div>\n<p>\u3053\u306e\u30b5\u30a4\u30c8\u306e\u5834\u5408\u306fjs\/css\u3067\u8d77\u304d\u3066\u3044\u3066\u3001\u306a\u304a\u304b\u3064cache-control\u304c\u306a\u304b\u3063\u305f\u306e\u3067\u30da\u30fc\u30b8\u9077\u79fb\u3092\u3059\u308b\u5ea6\u306b\u904b\u304c\u60aa\u3044\u3068\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3057\u305f\uff08\u904b\u304c\u3088\u3044\u3068304\uff09<br \/>\n\u3067\u306f\u306a\u305c\u3053\u3046\u3044\u3046\u73fe\u8c61\u304c\u8d77\u304d\u308b\u304b\u3068\u3044\u3046\u3068\u3001\u5927\u4f53\u306e\u5834\u5408\u306f\u30b5\u30fc\u30d0\u5074\u306e\u8a2d\u5b9a\u4e0d\u5099\u304bDeploy\u306e\u554f\u984c\u306b\u5206\u3051\u3089\u308c\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\nApache\u306eETag\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306fINode-MTime-Size\u3067\u3059(<a href=\"http:\/\/httpd.apache.org\/docs\/2.2\/ja\/mod\/core.html#fileetag\">\u53c2\u7167<\/a>)<br \/>\n\u5358\u4e00\u30b5\u30fc\u30d0\u3067\u914d\u4fe1\u3059\u308b\u5834\u5408\u306f\u3053\u308c\u3067\u554f\u984c\u306f\u8d77\u304d\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u8907\u6570\u30b5\u30fc\u30d0\u306e\u5834\u5408\u3060\u3068\u30b5\u30fc\u30d0\u9593\u3067INode\u304c\u540c\u4e00\u3067\u306a\u3044\u305f\u3081\u3053\u3053\u304c\u305a\u308c\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u306f\u540c\u4e00\u3067\u3042\u3063\u3066\u3082ETag\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u3092\u9632\u3050\u306b\u306fINode\u3092\u4f7f\u308f\u306a\u3051\u308c\u3070OK\u3067\u3059\u3002<br \/>\n\u6b21\u306bdeploy\u306e\u554f\u984c\u3067\u3059\u304c\u3001\u5358\u7d14\u306b\u8907\u6570\u306e\u30b5\u30fc\u30d0\u306b\u914d\u3063\u3066\u308b\u9593\u306b\u6642\u9593\u304c\u305a\u308c\u3066\u3057\u307e\u3046\u305f\u3081\u304a\u304d\u307e\u3059(MTime\u90e8\u5206\u304c\u30ba\u30ec\u308b)<br \/>\n\u4f8b\u3048\u3070deploy\u306brsync\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3042\u308c\u3070-t\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u3066\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u7dad\u6301\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30b3\u30f3\u30c6\u30f3\u30c4\u306egzip\u5727\u7e2e\u8ee2\u9001\u3092\u6709\u52b9\u306b\u3057\u3088\u3046<\/h3>\n<p>\u4f8b\u3048\u3070jquery.js(1.11.2)\u306e\u5834\u5408\u3001gzip\u306e\u6709\u7121\u3067\u3053\u308c\u3060\u3051\u9055\u3044\u307e\u3059\uff08\u78ba\u304b\u3053\u306e\u6570\u5024\u306fApache\u304bNginx\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u53d6\u3063\u305f\u306e\u3067\u5727\u7e2e\u7387\u4e0a\u3052\u308c\u3070\u3082\u3063\u3068\u884c\u304f\u306f\u305a\uff09<\/p>\n<table>\n<tr>\n<th>gzip<\/th>\n<th>Size<\/th>\n<th>Per<\/th>\n<\/tr>\n<tr>\n<th>Off<\/th>\n<td>95,952B(94KB)<\/td>\n<td>100%<\/td>\n<\/tr>\n<tr>\n<th>On<\/th>\n<td>33,287B(33KB)<\/td>\n<td>34.7%<\/td>\n<\/tr>\n<\/table>\n<p>\u753b\u50cf\u306a\u3069\u306e\u65e2\u306b\u5727\u7e2e\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u3082\u306e\u306b\u306f\u52b9\u304b\u306a\u3044\u3067\u3059\u304cCSS\u3084js\u7b49\u306e\u30c6\u30ad\u30b9\u30c8\u7cfb\u306b\u306f\u975e\u5e38\u306b\u52b9\u679c\u7684\u3067\u3059\u3002\uff08\u3082\u3061\u308d\u3093\u30d9\u30fc\u30b9\u30da\u30fc\u30b8\u3082\uff09<br \/>\n\u30c6\u30ad\u30b9\u30c8\u7cfb\u306e\u3082\u306e\u306b\u306f\u9069\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046<\/p>\n<p><strong>2015\/11\/02\u8ffd\u8a18<\/strong><br \/>\nAmazonS3\u306bcss\u3084js\u3092\u76f4\u63a5\u7f6e\u3044\u3066\u3044\u308b\u30b5\u30a4\u30c8\u304c\u7d50\u69cb\u3042\u308a\u307e\u3059\u304c\u3001gzip\u306e\u8003\u616e\u304c\u3082\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u601d\u308f\u308c\u307e\u3059\u3002<br \/>\n\u500b\u4eba\u7684\u306b\u306f\u753b\u50cf\u3068\u304b\u306f\u3068\u3082\u304b\u304fcss\/js\u3092S3\u304b\u3089\u76f4\u63a5\u914d\u4fe1\u3059\u308b\u306e\u306f\u30aa\u30b9\u30b9\u30e1\u3057\u307e\u305b\u3093\u3002\uff08\u30aa\u30ea\u30b8\u30f3\u3068\u3057\u3066\u7f6e\u304f\u306b\u306f\u826f\u3044\u3068\u601d\u3044\u307e\u3059\uff09<br \/>\n\u6700\u8fd1js\u30671MB\u3092\u8ee2\u9001\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u3092\u898b\u304b\u3051\u307e\u3057\u3066\u5c11\u3057\u304d\u306b\u306a\u308a\u307e\u3057\u305f\u306e\u3067\u8ffd\u8a18\u3057\u307e\u3057\u305f\u3002<\/p>\n<h3>\u753b\u50cf\u306e\u30af\u30aa\u30ea\u30c6\u30a3\u3092\u8abf\u6574\u3057\u3088\u3046<\/h3>\n<p>JPG\u306f\u753b\u50cf\u306e\u30af\u30aa\u30ea\u30c6\u30a3(\u4ee5\u4e0bq)\u3092\u8abf\u7bc0\u3059\u308b\u3053\u3068\u3067\u30b5\u30a4\u30ba\u3092\u5927\u5e45\u306b\u5c0f\u3055\u304f\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002(PNG\u3082\u5727\u7e2e\u7387\u7b49\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u591a\u5c11\u5c0f\u3055\u304f\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd)<br \/>\n\u5f53\u7136\u306a\u304c\u3089q\u304c\u4f4e\u3051\u308c\u3070\u753b\u8cea\u306f\u60aa\u5316\u3057\u307e\u3059\u304c\u305d\u306e\u5206\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002<br \/>\n<div id=\"attachment_1973\" style=\"width: 824px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/9.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1973\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/9.png\" alt=\"q=100\u306e\u753b\u50cf\u306e\u30af\u30aa\u30ea\u30c6\u30a3\u3092\u4e0b\u3052\u3066\u3044\u3063\u305f\u5834\u5408\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\" width=\"814\" height=\"458\" class=\"size-full wp-image-1973\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/9.png 814w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/9-300x169.png 300w\" sizes=\"auto, (max-width: 814px) 100vw, 814px\" \/><\/a><p id=\"caption-attachment-1973\" class=\"wp-caption-text\">q=100\u306e\u753b\u50cf\u306e\u30af\u30aa\u30ea\u30c6\u30a3\u3092\u4e0b\u3052\u3066\u3044\u3063\u305f\u5834\u5408\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba<\/p><\/div><br \/>\n\u3057\u304b\u3057q=90\u3050\u3089\u3044\u843d\u3068\u3057\u3066\u3082web\u3067\u4f7f\u3046\u5206\u306b\u306f\u5341\u5206\u306a\u753b\u8cea\u304c\u6709\u308a\u307e\u3059\u3002<br \/>\n<div id=\"attachment_1975\" style=\"width: 677px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/100.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1975\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/100.jpg\" alt=\"q=100\" width=\"667\" height=\"500\" class=\"size-full wp-image-1975\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/100.jpg 667w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/100-300x225.jpg 300w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/a><p id=\"caption-attachment-1975\" class=\"wp-caption-text\">q=100 \/ 368KB(\u30aa\u30ea\u30b8\u30ca\u30eb \u713c\u8089\u5962\u3063\u3066\u304f\u308c\u308b\u4eba\u52df\u96c6\u3057\u3066\u3044\u307e\u3059)<\/p><\/div><br \/>\n<div id=\"attachment_1976\" style=\"width: 677px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/90.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1976\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/90.jpg\" alt=\"q=90\" width=\"667\" height=\"500\" class=\"size-full wp-image-1976\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/90.jpg 667w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/90-300x225.jpg 300w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/a><p id=\"caption-attachment-1976\" class=\"wp-caption-text\">q=90 \/ 122KB<\/p><\/div><br \/>\n<div id=\"attachment_1977\" style=\"width: 677px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/80.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1977\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/80.jpg\" alt=\"q=80\" width=\"667\" height=\"500\" class=\"size-full wp-image-1977\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/80.jpg 667w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/80-300x225.jpg 300w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/a><p id=\"caption-attachment-1977\" class=\"wp-caption-text\">q=80 \/ 81.2KB<\/p><\/div><br \/>\n<div id=\"attachment_1978\" style=\"width: 677px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/70.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1978\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/70.jpg\" alt=\"q=70\" width=\"667\" height=\"500\" class=\"size-full wp-image-1978\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/70.jpg 667w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/70-300x225.jpg 300w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/a><p id=\"caption-attachment-1978\" class=\"wp-caption-text\">q=70 \/ 63.6KB<\/p><\/div><br \/>\n<div id=\"attachment_1980\" style=\"width: 677px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/11.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1980\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/11.jpg\" alt=\"q=1\" width=\"667\" height=\"500\" class=\"size-full wp-image-1980\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/11.jpg 667w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/11-300x225.jpg 300w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/a><p id=\"caption-attachment-1980\" class=\"wp-caption-text\">q=1 \/ 6.4KB<\/p><\/div><\/p>\n<p>\u3069\u308c\u4f4d\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u308b\u304b\u306f\u753b\u50cf\u306b\u3088\u3063\u3066\u9055\u3044\u307e\u3059\u3057<br \/>\n\u3069\u306e\u7a0b\u5ea6\u306eq\u304c\u5fc5\u8981\u304b\u306f\u30b5\u30a4\u30c8\u306e\u7279\u6027\u306b\u5bfe\u3059\u308b\u8003\u616e\u3001\u305d\u306e\u4ed6\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3092\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u3059\u304c\u666e\u901a\u306f90\u3082\u3042\u308c\u3070\u5341\u5206\u7dba\u9e97\u3067\u3059\u300280\u3067\u3082\u3088\u304f\u898b\u306a\u3051\u308c\u3070\u6c17\u3065\u304d\u306b\u304f\u3044\u3068\u304a\u3082\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u5f53\u7136\u306e\u3053\u3068\u306a\u306e\u3067\u3059\u304c\u5143\u3005q\u304c\u4f4e\u3044\u753b\u50cf\u306eq\u3092\u4e0a\u3052\u305f\u5834\u5408\u3082\u7121\u610f\u5473\u3067\u3059\u3002<\/p>\n<div id=\"attachment_1987\" style=\"width: 677px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/1_100.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1987\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/1_100.jpg\" alt=\"q=1\u306e\u3082\u306e\u3092100\u306b\u3057\u305f\u753b\u50cf (30.8KB)\" width=\"667\" height=\"500\" class=\"size-full wp-image-1987\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/1_100.jpg 667w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/1_100-300x225.jpg 300w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/a><p id=\"caption-attachment-1987\" class=\"wp-caption-text\">q=1\u306e\u3082\u306e\u3092100\u306b\u3057\u305f\u753b\u50cf (30.8KB)<\/p><\/div>\n<p>\u3082\u3057\u30b5\u30a4\u30c8\u753b\u50cf\u306eq\u304c\u65e2\u306b90\u4ee5\u4e0b\u3067\u4e00\u62ec\u306790\u306b\u3042\u3052\u3088\u3046\u3068\u3057\u305f\u5834\u5408\u306f\u9006\u306b\u30b5\u30a4\u30ba\u304c\u5897\u3048\u308b\u3067\u306e\u3067\u304d\u3061\u3093\u3068\u8abf\u3079\u3066\u304a\u304f\u3068\u826f\u3044\u3067\u3059\u3002<\/p>\n<h3>\u753b\u50cf\u306e\u30b5\u30a4\u30ba\u3092\u9069\u5207\u306b\u3057\u3088\u3046 \/ \u30b5\u30e0\u30cd\u3092\u4f5c\u308d\u3046<\/h3>\n<p>\u5f53\u7136\u3067\u3059\u304c\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044\u753b\u50cf\u306f\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044\u3067\u3059\u3002<br \/>\n\u9069\u5207\u306a\u30b5\u30a4\u30ba\u30fb\u30af\u30aa\u30ea\u30c6\u30a3\u3067\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u30da\u30fc\u30b8\u306f\u8efd\u304f\u306a\u308a\u307e\u3059\u3002<br \/>\n\u5148\u307b\u3069\u306e\u753b\u50cf\u306e\u5143\u30b5\u30a4\u30ba\u3092100%\u3068\u3057\u306610%\u523b\u307f\u3067\u30b5\u30a4\u30ba\u3092\u843d\u3068\u3057\u3066\u3044\u304f\u3068\u3053\u3046\u306a\u308a\u307e\u3059\uff08q=100\u306e\u307e\u307e\uff09<\/p>\n<p><div id=\"attachment_1990\" style=\"width: 468px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/10.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1990\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/10.png\" alt=\"10%\u523b\u307f\u3067\u5c0f\u3055\u304f\u3057\u3066\u307f\u305f\" width=\"458\" height=\"321\" class=\"size-full wp-image-1990\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/10.png 458w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/10-300x210.png 300w\" sizes=\"auto, (max-width: 458px) 100vw, 458px\" \/><\/a><p id=\"caption-attachment-1990\" class=\"wp-caption-text\">10%\u523b\u307f\u3067\u5c0f\u3055\u304f\u3057\u3066\u307f\u305f<\/p><\/div><br \/>\n\u306a\u308b\u3060\u3051\u8868\u793a\u30b5\u30a4\u30ba\u306b\u5408\u308f\u305b\u3066\u753b\u50cf\u3092\u751f\u6210\u3059\u308b\u3079\u304d\u3067\u3057\u3087\u3046\u3002<br \/>\n\u52d5\u7684\u306b\u30b5\u30a4\u30ba\u3092\u6307\u5b9a\u3057\u3066\u30b5\u30e0\u30cd\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308bMW\u3082\u3042\u308b\u306e\u3067\u305d\u308c\u3068\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u306a\u3069\u3057\u3066\u3082\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>\u305d\u306e\u5199\u771f\u306f\u672c\u5f53\u306bPNG(\u53ef\u9006\u5727\u7e2e)\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u5148\u307b\u3069\u306e\u5199\u771f(JPG\/q=100)\u3092PNG(24bit)\u306b\u5909\u63db\u3059\u308b\u3068\u30b5\u30a4\u30ba\u304c\u5927\u62b5\u306e\u5834\u5408\u81a8\u308c\u307e\u3059\u3002<\/p>\n<table>\n<tr>\n<th>JPG(q=100 667&#215;500)<\/th>\n<th>PNG(24bit 667&#215;500)<\/th>\n<\/tr>\n<tr>\n<td>313,885B(306KB)<\/td>\n<td>597,334B(583KB)<\/td>\n<\/tr>\n<\/table>\n<p>\u3082\u3061\u308d\u30938bit(256\u8272\u4ee5\u4e0b)\u3067\u3042\u308c\u3070\u5c0f\u3055\u304f\u306f\u306a\u308a\u307e\u3059\u3002<br \/>\n<div id=\"attachment_1994\" style=\"width: 677px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/niku2.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1994\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/niku2.png\" alt=\"PNG8(256Color) \/ 186KB\" width=\"667\" height=\"500\" class=\"size-full wp-image-1994\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/niku2.png 667w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/niku2-300x225.png 300w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/a><p id=\"caption-attachment-1994\" class=\"wp-caption-text\">PNG8(256Color) \/ 186KB<\/p><\/div><br \/>\n\u3067\u3059\u304c\u500b\u4eba\u7684\u306b\u306fq\u3092\u4e0b\u3052\u305f\u307b\u3046\u304c\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3082\u3061\u308d\u3093\u30a2\u30a4\u30b3\u30f3\u7b49\u306etooltip\u306fPNG8\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>PageSpeed Insights\u3092\u6d3b\u7528\u3057\u3088\u3046<\/h3>\n<p><div id=\"attachment_1996\" style=\"width: 705px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/11.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1996\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/11-958x1024.png\" alt=\"PageSpeed Insights\" width=\"695\" height=\"743\" class=\"size-large wp-image-1996\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/11-958x1024.png 958w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/11-281x300.png 281w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/11.png 1139w\" sizes=\"auto, (max-width: 695px) 100vw, 695px\" \/><\/a><p id=\"caption-attachment-1996\" class=\"wp-caption-text\"><a href=\"https:\/\/developers.google.com\/speed\/pagespeed\/insights\/?hl=ja\">PageSpeed Insights<\/a><\/p><\/div><br \/>\nGoogle\u5148\u751f\u304c\u5272\u3068\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002<br \/>\n\u3068\u308a\u3042\u3048\u305a\u304b\u3051\u3066\u307f\u3066\u53c2\u8003\u306b\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>Apache\u306eMPM\u306e\u9055\u3044\u3068\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3067\u306e\u30ad\u30e3\u30c3\u30b7\u30e5<\/h3>\n<p>Apache\u3067PHP\u3092\u4f7f\u3046\u5834\u5408\u5927\u4f53mod_php\u3092\u5229\u7528\u3059\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3053\u308c\u306fPrefork\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<br \/>\nPrefork\u306f1\u30d7\u30ed\u30bb\u30b9\u304c1\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u634c\u304f\u3082\u306e\u3067\u3059\u3002<br \/>\n\u30d7\u30ed\u30bb\u30b9\u306f\u305d\u308c\u305e\u308c\u3067\u72ec\u7acb\u3057\u305f\u30e1\u30e2\u30ea\u7a7a\u9593\u3092\u6301\u3064\u305f\u3081\u30b9\u30ec\u30c3\u30c9\u3067\u52d5\u304fworker\u306b\u6bd4\u3079\u540c\u6642\u306b\u634c\u3051\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u306f\u5c11\u306a\u3044\u3067\u3059(worker\u306f1\u30b9\u30ec\u30c3\u30c91\u30ea\u30af\u30a8\u30b9\u30c8)<br \/>\n\u3053\u308c\u304c\u306a\u3093\u306e\u554f\u984c\u304c\u3042\u308b\u304b\u3068\u3044\u3046\u3068\u753b\u50cf\u7b49\u306e\u9759\u7684\u30ea\u30bd\u30fc\u30b9\u3092Prefoek\u3067\u52d5\u3044\u3066\u3044\u308b\u30b5\u30fc\u30d0\u3067\u30ec\u30b9\u30dd\u30f3\u30b9\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3059\u3002<br \/>\n\u901a\u5e38\u3001\u30d9\u30fc\u30b9\u30da\u30fc\u30b8\u306b\u7d10\u3065\u304f\u9759\u7684\u30ea\u30bd\u30fc\u30b9\u306f\u591a\u3044\u305f\u3081\u5927\u91cf\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6765\u307e\u3059\u3001\u9759\u7684\u306a\u306e\u3067\u9ad8\u901f\u306b\u30ec\u30b9\u30dd\u30f3\u30b9\u51fa\u6765\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u7121\u99c4\u306b\u30b5\u30fc\u30d0\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u306f\u78ba\u304b\u3067\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u53ef\u80fd\u3067\u3042\u308c\u3070\u9759\u7684\u30ea\u30bd\u30fc\u30b9\u306fworker\u306a\u30b5\u30fc\u30d0\u3067\u30ec\u30b9\u30dd\u30f3\u30b9\u3057\u3066\u3001\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u307f\u3092prefork\u306a\u30b5\u30fc\u30d0\u3067\u8fd4\u3057\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002<br \/>\n\u30c9\u30e1\u30a4\u30f3\u3092\u5206\u3051\u308b\u306e\u3082\u624b\u3067\u3059\u304c\u3001\u305d\u308c\u304c\u96e3\u3057\u3044\u3070\u3042\u3044\u306f\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3092\u5165\u308c\u308b\u306e\u3082\u624b\u3067\u3059\u3002<br \/>\n\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3067\u9759\u7684\u30ea\u30bd\u30fc\u30b9\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u3057\u307e\u3044prefork\u306a\u30aa\u30ea\u30b8\u30f3\u30b5\u30fc\u30d0\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u3042\u307e\u308a\u6765\u306a\u3044\u3088\u3046\u306b\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u3002<br \/>\n\u307e\u305f\u3001\u3053\u308c\u306f\u901a\u4fe1\u74b0\u5883\u304c\u60aa\u304f\u3066\u9045\u3044\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u5f71\u97ff\u3092\u5c0f\u3055\u304f\u3059\u308b\u5bfe\u3059\u308b\u5bfe\u7b56\u306b\u3082\u306a\u308a\u307e\u3059\u3002<br \/>\n\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u306eMW\u306fNginx\u3084Apache\u3084Varnish\u3092\u4f7f\u3046\u3068\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u50d5\u306fVarnish\u304c\u597d\u304d\u3067\u3059\u3002 <\/p>\n<h3>\u305d\u306e\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u66f4\u65b0\u3055\u308c\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u30b5\u30a4\u30c8\u306b\u3082\u3088\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3057\u3066\u3082\u6bce\u56de\u540c\u3058\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8fd4\u3059\u5834\u5408\u306f\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3059\u308b\u306e\u3082\u3088\u3044\u3067\u3057\u3087\u3046\u3002<br \/>\n\u9ad8\u30b3\u30b9\u30c8\u306aLL\u3067\u30da\u30fc\u30b8\u3092\u751f\u6210\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u7a81\u7136buzz\u3063\u3066\u3082\u5272\u3068\u8010\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u307e\u305f\u5168\u4f53\u3067\u30b5\u30fc\u30d0\u30b3\u30b9\u30c8\u3092\u6e1b\u3089\u3059\u3053\u3068\u3082\u53ef\u80fd\u3067\u3057\u3087\u3046\u3002<br \/>\n\u4f55\u304b\u3057\u3089\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306bLL\u3092\u52d5\u304b\u3059\u5fc5\u8981\u304c\u3042\u308b\u3068\u3044\u3046\u306e\u3067\u3042\u308c\u3070\u3001\u305d\u308c\u306fjs\u3067\u4ee3\u7528\u304c\u3067\u304d\u306a\u3044\u304b\u3068\u304b\u691c\u8a0e\u3059\u308b\u306e\u3082\u3088\u3044\u3067\u3057\u3087\u3046\uff08\u3082\u3057\u304f\u306f<a href=\"http:\/\/blog.xcir.net\/?p=1695\">ESI<\/a>\u3092\u691c\u8a0e\u3059\u308b\u306e\u3082\u3088\u3044\u3067\u3057\u3087\u3046\uff09<br \/>\n\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u3067\u4e00\u6c17\u306b\u8efd\u304f\u3001\u305d\u3057\u3066\u30b3\u30b9\u30c8\u3092\u6e1b\u3089\u305b\u308b\u3067\u3057\u3087\u3046\u3002 <\/p>\n<h3>\u30b5\u30fc\u30d0\u60c5\u5831\u3092\u96a0\u305d\u3046<\/h3>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u306f\u95a2\u4fc2\u3042\u308a\u307e\u305b\u3093\u304c<br \/>\n\u5358\u7d14\u306b\u5371\u306a\u3044\u306e\u3067\u4e0d\u8981\u306a\u60c5\u5831(\u7279\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831)\u306f\u6d88\u3059\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n<div id=\"attachment_1999\" style=\"width: 592px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/12.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1999\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/12.png\" alt=\"php\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u307e\u3067\u51fa\u3066\u308b\" width=\"582\" height=\"193\" class=\"size-full wp-image-1999\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/12.png 582w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/12-300x99.png 300w\" sizes=\"auto, (max-width: 582px) 100vw, 582px\" \/><\/a><p id=\"caption-attachment-1999\" class=\"wp-caption-text\">php\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u307e\u3067\u51fa\u3066\u308b<\/p><\/div><\/p>\n<h3>HTTPS(SSL\/TLS)\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u3088\u3046<\/h3>\n<p>\u5c11\u3057\u524d\u306b\u8a71\u984c\u306b\u306a\u3063\u305f<a href=\"http:\/\/ja.wikipedia.org\/wiki\/Transport_Layer_Security#POODLE\">POODLE<\/a>\u3084<a href=\"http:\/\/ja.wikipedia.org\/wiki\/%E3%83%8F%E3%83%BC%E3%83%88%E3%83%96%E3%83%AA%E3%83%BC%E3%83%89\">Heartbleed<\/a>\u306a\u3069\uff08\u76f4\u8fd1\u3060\u3068Logjam\u3084FREAK\uff09HTTPS\u306b\u95a2\u308f\u308b\u8106\u5f31\u6027\u3092\u3088\u304f\u805e\u304d\u307e\u3059\u3002<br \/>\n\u3044\u308d\u3044\u308d\u3042\u308b\u3082\u306e\u306e\u4eca\u81ea\u5206\u306e\u30b5\u30a4\u30c8\u306e\u72b6\u614b\u304c\u308f\u304b\u3089\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u3068\u308a\u3042\u3048\u305a<a href=\"https:\/\/sslcheck.globalsign.com\/ja\">GlobalSign<\/a>\u304b<a href=\"https:\/\/www.ssllabs.com\/ssltest\/\">QUALYS SSL Labs<\/a>\u306e\u8a3a\u65ad\u3092\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\nGlobalSign\u306e\u8a3a\u65ad\u306fSSL Labs\u306e\u3092\u5143\u306b\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u65e5\u672c\u8a9e\u306a\u306e\u3067\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002<br \/>\n\u3068\u308a\u3042\u3048\u305a\u6307\u6458\u4e8b\u9805\u3092\u898b\u3064\u3064\u30b5\u30fc\u30d0\u8a2d\u5b9a\u3092\u76f4\u3057\u3066\u3044\u304f\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002\uff08\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3060\u3051\u3067\u306f\u306a\u304f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3059\u308b\u9805\u76ee\u3082\u3042\u308a\u307e\u3059\uff09<br \/>\n<div id=\"attachment_2010\" style=\"width: 705px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/13.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2010\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/13-757x1024.png\" alt=\"SSL\u4f7f\u7528\u3092\u30a2\u30d4\u30fc\u30eb\u3057\u3066\u308b\u3082\u306e\u306e\u8a2d\u5b9a\u306f\u30fb\u30fb\u30fb\" width=\"695\" height=\"940\" class=\"size-large wp-image-2010\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/13-757x1024.png 757w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/13-222x300.png 222w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/13.png 977w\" sizes=\"auto, (max-width: 695px) 100vw, 695px\" \/><\/a><p id=\"caption-attachment-2010\" class=\"wp-caption-text\">SSL\u4f7f\u7528\u3092\u30a2\u30d4\u30fc\u30eb\u3057\u3066\u308b\u3082\u306e\u306e\u8a2d\u5b9a\u306f\u30fb\u30fb\u30fb<\/p><\/div><br \/>\nSSL Labs\u306e\u307b\u3046\u3060\u3068\u3069\u306e\u3088\u3046\u306a\u74b0\u5883\u3067\u898b\u308c\u308b\u304b\u3082\u78ba\u8a8d\u3067\u304d\u308b\u306e\u3067\u4e21\u65b9\u307f\u308b\u3068\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n<div id=\"attachment_2011\" style=\"width: 705px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/14.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2011\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/14-795x1024.png\" alt=\"SSL Labs\u306f\u74b0\u5883\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u3084\u3063\u3066\u304f\u308c\u308b\" width=\"695\" height=\"895\" class=\"size-large wp-image-2011\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/14-795x1024.png 795w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/14-233x300.png 233w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/14.png 841w\" sizes=\"auto, (max-width: 695px) 100vw, 695px\" \/><\/a><p id=\"caption-attachment-2011\" class=\"wp-caption-text\">SSL Labs\u306f\u74b0\u5883\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u3084\u3063\u3066\u304f\u308c\u308b<\/p><\/div><br \/>\n\u53e4\u3044Android\u3084\u30ac\u30e9\u30b1\u30fc\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306a\u3069\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3079\u304d\u74b0\u5883\u306a\u3069\u306b\u3088\u3063\u3066\u8a2d\u5b9a\u306f\u5909\u308f\u308b\u306e\u3067A\u3092\u53d6\u308b\u306e\u306f\u96e3\u3057\u3044\u306e\u3067\u3059\u304c\u53ef\u80fd\u306a\u9650\u308a\u4e0d\u7528\u610f\u306a\u8a2d\u5b9a\u7b49\u306f\u6392\u9664\u3057\u305f\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n<h3>\u305d\u306eVary\u30d8\u30c3\u30c0\u672c\u5f53\u306b\u5927\u4e08\u592b\u3067\u3059\u304b\uff1f(2017\/02\/17\u8ffd\u8a18)<\/h3>\n<p>CDN\u3084\u30ea\u30d0\u30d7\u30ed\u7b49\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30fb\u30b5\u30fc\u30d0\u9593\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u884c\u3046\u5834\u5408\u304d\u3061\u3093\u3068\u8003\u3048\u3066\u8a2d\u5b9a\u3057\u305f\u3044Vary\u3068\u3044\u3046\u30d8\u30c3\u30c0\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u591a\u304f\u306e\u5834\u5408\u306fVary: Accept-Encoding\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<br \/>\n\u3053\u306e\u30d8\u30c3\u30c0\u304c\u610f\u5473\u3059\u308b\u3068\u3053\u308d\u306f<br \/>\nAccept-Encoding\u306b\u3088\u3063\u3066\u5185\u5bb9\u304c\u5909\u308f\u308b\u306e\u3067\u3001\u4e2d\u9593\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u5834\u5408\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u9001\u3089\u308c\u308bAccept-Encoding\u30d8\u30c3\u30c0\u6bce\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u6301\u3063\u3066\u306d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br \/>\ncss\u3084js\u306fgzip\u5727\u7e2e\u3057\u3066\u8ee2\u9001\u3057\u305f\u308a\u3057\u307e\u3059\u304c\u3001gzip\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3082\u5b58\u5728\u3057\u307e\u3059\u3002<br \/>\n\u3082\u3057\u3001Vary\u3092\u6307\u5b9a\u3057\u3066\u306a\u3044\u72b6\u614b\u3067\u3001\u5148\u306bgzip\u5727\u7e2e\u3055\u308c\u305fcss\u304c\u4e2d\u9593\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u3001gzip\u975e\u5bfe\u5fdc\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u3059\u308b\u3068gzip\u306acss\u304c\u30ec\u30b9\u30dd\u30f3\u30b9\u3055\u308c\u3066\u56f0\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081Vary\u3092\u4f7f\u3046\u3053\u3068\u3067\u3053\u306eURL\u306fAccept-Encoding\u3067\u5185\u5bb9\u304c\u5909\u5316\u3059\u308b\u3053\u3068\u3092\u5ba3\u8a00\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>\u306a\u308b\u307b\u3069\u3001\u3053\u308c\u306f\u4fbf\u5229\u3060\u3068\u3044\u3046\u3053\u3068\u3067User-Agent(\u4ee5\u4e0bUA)\u3092\u6307\u5b9a\u3092\u3059\u308b\u30b5\u30a4\u30c8\u3082\u3042\u308b\u3088\u3046\u3067\u3059\u3002<br \/>\n\u304a\u305d\u3089\u304fPC\u30fb\u30b9\u30de\u30db\u30fb\u30ac\u30e9\u30b1\u30fc\u3067\u3082\u540c\u4e00URL\u3067\u51e6\u7406\u3057\u305f\u3044\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u304b\u306a\u3068\u601d\u3044\u3064\u3064<br \/>\n\u3053\u308c\u306f\u975e\u5e38\u306b\u3082\u3063\u305f\u3044\u306a\u3044\u8a2d\u5b9a\u3067\u3059\u3002<br \/>\n\u306a\u305c\u306a\u3089User-Agent\u306f\u975e\u5e38\u306b\u591a\u3044\u305f\u3081\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30d2\u30c3\u30c8\u7387\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002\uff08\u3082\u3061\u308d\u3093\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\uff09<br \/>\n\u308f\u304b\u308a\u3084\u3059\u3044\u3068\u3053\u308d\u3060\u3068\u3001Android\u306eUA\u306f\u6a5f\u7a2e\u540d\u304c\u5165\u3063\u3066\u305f\u308a\u3057\u307e\u3059\u3002<br \/>\n\u3064\u307e\u308a\u305d\u306e\u6a5f\u7a2e\u6bce\u30fb\u305d\u3057\u3066\u30d0\u30fc\u30b8\u30e7\u30f3\u6bce\u306b\u500b\u5225\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u4f5c\u3089\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\n\u3082\u3061\u308d\u3093\u610f\u56f3\u3057\u305f\u3082\u306e\u3067\u3042\u308c\u3070\u554f\u984c\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u5927\u62b5\u306e\u5834\u5408\u306f\u306a\u3093\u3068\u306a\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u306f\u8003\u3048\u3066\u3057\u307e\u3046\u3082\u306e\u304c\u591a\u3044\u3067\u3059\u3002<br \/>\n<a href=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/vary.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/vary.png\" alt=\"\" width=\"869\" height=\"411\" class=\"aligncenter size-full wp-image-2474\" srcset=\"http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/vary.png 869w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/vary-300x142.png 300w, http:\/\/blog.xcir.net\/wp-content\/uploads\/2015\/05\/vary-768x363.png 768w\" sizes=\"auto, (max-width: 869px) 100vw, 869px\" \/><\/a><br \/>\n\u4e0a\u8a18\u306f\u5272\u3068\u5927\u304d\u306a\u97f3\u697d\u30fb\u672c\u306e\u914d\u4fe1\u30b5\u30a4\u30c8\u306a\u3093\u3067\u3059\u3002\u898b\u305f\u3068\u3053\u308d\u753b\u50cf\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u3088\u3063\u3066\u52d5\u7684\u306b\u30ea\u30b5\u30a4\u30ba\u3057\u3066\u304a\u308a\u305d\u308c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u304cVary\u306bUA\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u5f53\u7136\u306a\u306e\u3067\u3059\u304cUA\u3092\u5909\u3048\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u3057\u305f\u3068\u3053\u308dMiss\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\n\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u751f\u6210\u6761\u4ef6\u3092\u5909\u3048\u3066\u3044\u308b\u305f\u3081\u304a\u305d\u3089\u304fUA\u3067\u30e6\u30cb\u30fc\u30af\u3067\u3042\u308b\u5fc5\u8981\u306f\u306a\u3044\u3068\u8003\u3048\u3089\u308c\u3001\u305d\u3082\u305d\u3082\u5916\u3059\u304b\uff08\u753b\u50cf\u306f\u65e2\u306b\u5727\u7e2e\u3055\u308c\u3066\u308b\u306e\u3067gzip\u304c\u3042\u307e\u308a\u52b9\u304b\u306a\u3044\u305f\u3081\u305d\u306e\u307e\u307e\u9001\u308b\u3053\u3068\u304c\u591a\u3044\uff09Accept-Encoding\u6307\u5b9a\u3067\u3088\u3044\u306e\u3067\u306f\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3061\u306a\u307f\u306b\u3001CDN\u3084\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u306b\u3088\u3063\u3066\u306f\u3053\u306e\u3042\u305f\u308a\u3092\u8ce2\u304f\u5236\u5fa1(PC\/\u30b9\u30de\u30db\u3067\u500b\u5225\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6301\u3064\uff09\u306a\u3069\u3082\u3067\u304d\u305f\u308a\u3057\u307e\u3059\u3002<br \/>\nCDN\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001Vary\u306b\u6c17\u3092\u3064\u3051\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\uff08\u5c0f\u30cd\u30bf\uff09\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068CDN\/\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3067\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u9055\u3044<\/h3>\n<p>\u3055\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068CDN\/\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3067\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u4f55\u304c\u9055\u3046\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n\u3059\u3054\u304f\u7c21\u5358\u306b\u3044\u3046\u3068\u305d\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u53c2\u7167\u3055\u308c\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u6570\u304c1\u306a\u306e\u304b\u591a\u306a\u306e\u304b\u3060\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<br \/>\n\u5f53\u7136\u306a\u304c\u3089\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u4ed6\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u53c2\u7167\u3055\u308c\u307e\u305b\u3093\u3002<br \/>\n\u305d\u306e\u305f\u3081\u6975\u7aef\u306a\u3053\u3068\u3092\u8a00\u3063\u3066\u3057\u307e\u3048\u3070\u3001\u30b5\u30a4\u30c8\u304c\u307b\u307c100%\u76f4\u5e30\u3055\u308c\u3066\u518d\u8a2a\u3082\u306a\u3044\u306e\u3067\u3042\u308c\u3070\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u3044\u304f\u3089\u9811\u5f35\u3063\u3066\u3082\u7121\u610f\u5473\u3067\u3059\uff08\u305d\u3093\u306a\u30b5\u30a4\u30c8\u7121\u3044\u3068\u601d\u3044\u307e\u3059\u304c\uff09<br \/>\n\u5bfe\u3059\u308bCDN\/\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3067\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u305d\u306e\u5834\u5408\u3067\u3082\u3046\u307e\u304f\u52d5\u304d\u307e\u3059(\u3061\u306a\u307f\u306b\/\u3068\u3057\u3066\u3044\u307e\u3059\u304cCDN=\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3068\u8a00\u3063\u3066\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3067\u3059\u4f75\u7528\u3059\u308b\u306e\u304c\u5927\u4e8b\u3067\u3059)<br \/>\n\u4e21\u8005\u306e\u9055\u3044\u3092\u610f\u8b58\u3057\u3066\u3046\u307e\u304f\u4f75\u7528\u3067\u304d\u308b\u3068\u826f\u3044\u304b\u306a\u3068\u601d\u3044\u307e\u3059<\/p>\n<h3>\u307e\u3068\u3081<\/h3>\n<p>\u3082\u3061\u308d\u3093\u30b5\u30a4\u30c8\u306e\u72b6\u6cc1\u306b\u3088\u3063\u3066\u3044\u308d\u3044\u308d\u5909\u308f\u308b\u3068\u601d\u3044\u307e\u3059\u304c<br \/>\n\u3053\u308c\u3089\u306e\u5bfe\u7b56\u3092\u3084\u308b\u3060\u3051\u3067\u5272\u3068\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u826f\u304f\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u4eca\u56de\u7d39\u4ecb\u3057\u305f\u306e\u306f\u5272\u3068\u57fa\u672c\u7684\u306a\u3068\u3053\u308d\u3067\u4ed6\u306b\u3082\u3044\u308d\u3093\u306a\u9ad8\u901f\u5316\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u4ed6\u306b\u3082\u6700\u4f4e\u9650\u6c17\u306b\u3059\u3079\u304d\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u306f\u3042\u307e\u308a\u95a2\u4fc2\u306a\u3044\u306e\u3067\u524a\u308a\u307e\u3057\u305f\u3002\uff08\u306a\u3093\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306bmysql\u306e\u30dd\u30fc\u30c8\u3092\u958b\u3051\u3066\u308b\u3068\u3053\u304c\u3042\u308a\u307e\u3057\u305f\u30fb\u30fb\uff09<br \/>\n\u307f\u306a\u3055\u3093\u306e\u30b5\u30a4\u30c8\u304c\u901f\u304f\u306a\u308c\u3070\u3044\u3044\u306a\u30fc\u3068\u304a\u3082\u3063\u3066\u307e\u3059\u3002<br \/>\n\u53c2\u8003\u306b\u306a\u308c\u3070\u5b09\u3057\u3044\u3067\u3059\u3002<\/p>\n<h3>\u53c2\u8003\u30ea\u30f3\u30af<\/h3>\n<p><a href=\"https:\/\/developers.google.com\/web\/fundamentals\/performance\/?hl=ja\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/a><br \/>\n<a href=\"http:\/\/blog.xcir.net\/?p=1695\">ESI\u306e\u52b9\u679c\u3068\u6c17\u3092\u3064\u3051\u305f\u70b9<\/a><br \/>\n<a href=\"http:\/\/blog.xcir.net\/?p=1751\">Varnish\u3092\u591a\u6bb5\u306b\u3059\u308b\u5229\u70b9\u3068\u6ce8\u610f\u3059\u308b\u3068\u3053\u308d<\/a><br \/>\n<a href=\"http:\/\/d.hatena.ne.jp\/tmatsuu\/20130924\/1379977293\">SSL\u8a3c\u660e\u66f8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30c1\u30a7\u30c3\u30af\u306f\u3069\u306e\u30b5\u30a4\u30c8\u3092\u5229\u7528\u3059\u3079\u304d\u304b<\/a><br \/>\n<a 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