{"id":17772,"date":"2026-02-18T08:36:28","date_gmt":"2026-02-18T07:36:28","guid":{"rendered":"https:\/\/webhosting.de\/cdn-konfiguration-performance-fehler-vermeiden-netzwerk\/"},"modified":"2026-02-18T08:36:28","modified_gmt":"2026-02-18T07:36:28","slug":"cdn%e8%a8%ad%e5%ae%9a-%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3%e3%82%b9%e3%82%a8%e3%83%a9%e3%83%bc%e3%82%92%e5%9b%9e%e9%81%bf-%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/cdn-konfiguration-performance-fehler-vermeiden-netzwerk\/","title":{"rendered":"CDN\u8a2d\u5b9a\u304c\u6c17\u3065\u304b\u306a\u3044\u3046\u3061\u306b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u30e1\u30ab\u30cb\u30ba\u30e0"},"content":{"rendered":"<p><strong>CDN\u306e\u8a2d\u5b9a<\/strong> 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<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30eb\u30fc\u30eb<\/strong> \u30a8\u30c3\u30b8\u30b5\u30fc\u30d0\u30fc\u304c\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u4fe1\u3059\u308b\u304b\u3001\u5e38\u306bOrigin\u306b\u8ca0\u62c5\u3092\u304b\u3051\u308b\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u3002.<\/li>\n  <li><strong>SSL\/TLS<\/strong> \u3068\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u9078\u629e\u306b\u3088\u308a\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3068\u518d\u5229\u7528\u304c\u9069\u5408\u3057\u306a\u3044\u5834\u5408\u3001\u30e9\u30a6\u30f3\u30c9\u30c8\u30ea\u30c3\u30d7\u304c\u5897\u52a0\u3059\u308b\u3002.<\/li>\n  <li><strong>\u30aa\u30ea\u30b8\u30f3\u30fb\u30ea\u30bd\u30fc\u30b9<\/strong> \u3068I\/O\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u30a8\u30c3\u30b8\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u5236\u9650\u3059\u308b\u3002.<\/li>\n  <li><strong>DNS\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong> \u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8\u3068\u30d4\u30a2\u30ea\u30f3\u30b0\u304c\u4e0d\u5229\u306a\u5834\u5408\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u304c\u767a\u751f\u3059\u308b\u3002.<\/li>\n  <li><strong>TTL\/\u30d1\u30fc\u30b8<\/strong> \u4ea4\u63db\u5f8c\u306e\u9bae\u5ea6\u3001\u4e00\u8cab\u6027\u3001\u8ca0\u8377\u306e\u30d4\u30fc\u30af\u3092\u7ba1\u7406\u3059\u308b\u3002.<\/li>\n<\/ul>\n\n<h2>\u306a\u305cCDN\u306f\u901f\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u306e\u304b<\/h2>\n\n<p>\u3092\u3088\u304f\u898b\u304b\u3051\u308b\u3002 <strong>\u30a8\u30c3\u30b8<\/strong> \u304c\u7279\u306b\u52b9\u679c\u7684\u306a\u306e\u306f\u3001\u30af\u30ea\u30fc\u30f3\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u53ef\u80fd\u306a\u9650\u308a\u591a\u304f\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u914d\u4fe1\u3057\u3001\u30aa\u30ea\u30b8\u30f3\u3078\u306e\u30af\u30a8\u30ea\u30fc\u3092\u307e\u308c\u306b\u3057\u304b\u884c\u308f\u306a\u3044\u5834\u5408\u3060\u3002\u9759\u7684\u30a2\u30bb\u30c3\u30c8\u3068\u52d5\u7684\u30a2\u30bb\u30c3\u30c8\u304c\u660e\u78ba\u306b\u5206\u96e2\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001CDN\u306f\u7121\u6570\u306e <strong>\u30d0\u30a4\u30d1\u30b9<\/strong> \u3092Origin\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u3001\u512a\u4f4d\u6027\u304c\u8584\u308c\u3066\u3057\u307e\u3046\u3002\u8ffd\u52a0\u306eDNS\u89e3\u6c7a\u3001\u65b0\u3057\u3044TCP\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3001\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u306e\u5931\u6557\u306e\u305f\u3073\u306b\u30df\u30ea\u79d2\u5358\u4f4d\u306e\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b\u3002\u30c7\u30fc\u30bf\u30d1\u30b9\u304c\u96e2\u308c\u305fPoP\u3092\u7d4c\u7531\u3059\u308b\u5834\u5408\u3001\u9045\u5ef6\u306f\u6570\u30db\u30c3\u30d7\u306b\u308f\u305f\u3063\u3066\u84c4\u7a4d\u3055\u308c\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u958b\u59cb\u6642\u306e\u9045\u3055\u3084\u6700\u521d\u306e\u30d0\u30a4\u30c8\u307e\u3067\u306e\u6642\u9593\u3068\u3057\u3066\u3001\u3053\u308c\u3089\u306e\u5408\u8a08\u306b\u6c17\u3065\u304f\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/02\/cdn-serverproblem-8172.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3051\u308b\u96a0\u308c\u305f\u969c\u5bb3<\/h2>\n\n<p>\u9055\u3046 <strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong>-\u30d8\u30c3\u30c0\u3001\u9759\u7684\u30d5\u30a1\u30a4\u30eb\u306e\u30af\u30c3\u30ad\u30fc\u8a2d\u5b9a\u3001\u95a2\u9023\u6027\u306e\u306a\u3044\u30af\u30a8\u30ea\u6587\u5b57\u5217\u306f\u3001\u30a8\u30c3\u30b8\u306b\u30aa\u30ea\u30b8\u30f3\u30d5\u30a7\u30c3\u30c1\u3092\u5f37\u5236\u3057\u307e\u3059\u3002\u79c1\u306f\u307e\u305a\u3001\u30af\u30c3\u30ad\u30fc\u3001\u8a8d\u8a3c\u30d8\u30c3\u30c0\u30fc\u3001CSS\/JS\/\u753b\u50cf\u306e\u30af\u30a8\u30ea\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u5909\u66f4\u304c\u672c\u5f53\u306b\u5fc5\u8981\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002Vary\u30eb\u30fc\u30eb\u304c\u6b63\u3057\u3051\u308c\u3070\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30d2\u30c3\u30c8\u7387\u306f\u9855\u8457\u306b\u5411\u4e0a\u3059\u308b\u3002\u3088\u308a\u6df1\u304f\u6398\u308a\u4e0b\u3052\u305f\u3044\u5834\u5408\u306f\u3001\u7c21\u5358\u306a\u4f8b\u3092\u898b\u3066\u307f\u3088\u3046\u3002 <a href=\"https:\/\/webhosting.de\/ja\/http%e3%82%ad%e3%83%a3%e3%83%83%e3%82%b7%e3%83%a5%e3%83%98%e3%83%83%e3%83%80%e3%83%bc%e3%81%8c%e3%82%ad%e3%83%a3%e3%83%83%e3%82%b7%e3%83%a5%e3%82%92%e5%a6%a8%e5%ae%b3%e3%81%99%e3%82%8b-cachefix\/\">HTTP\u30ad\u30e3\u30c3\u30b7\u30e5\u30d8\u30c3\u30c0<\/a> \u3067\u3042\u308b\u3002\u540c\u69d8\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u904e\u8ca0\u8377\u306ePoP\u306b\u4e0d\u7528\u610f\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8a98\u5c0e\u3057\u3001\u30b3\u30f3\u30de\u4f55\u79d2\u3092\u7121\u99c4\u306b\u3059\u308b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30dd\u30ea\u30b7\u30fc\u3067\u3042\u308b\u3002 <strong>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/strong> \u3092\u8ffd\u52a0\u3057\u305f\u3002.<\/p>\n\n<h2>SSL\/TLS\uff1a\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3068\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6b63\u3057\u304f\u4f7f\u3046<\/h2>\n\n<p>TLS\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u8ffd\u52a0\u3059\u308b\u3068\u30012\u5f80\u5fa9\u5206\u306e\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b\u3002 <strong>\u9045\u5ef6<\/strong>. .\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30a8\u30c3\u30b8\u9593\u306e\u5358\u7d14\u306aRTT\u304c95\u30df\u30ea\u79d2\u3060\u3068\u3059\u308b\u3068\u3001\u6700\u521d\u306e\u30d0\u30a4\u30c8\u304c\u6d41\u308c\u308b\u524d\u306b\u3001\u65b0\u3057\u3044\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c200\u30df\u30ea\u79d2\u8fd1\u304f\u8ffd\u52a0\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308b\u3002\u79c1\u306fTLS 1.3\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u518d\u958b\u30010-RTT\u306b\u983c\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u518d\u8a2a\u554f\u8005\u306f\u9ad8\u4fa1\u306a\u518d\u69cb\u7bc9\u3092\u958b\u59cb\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u3002HTTP\/2\u306f\u30b9\u30c8\u30ea\u30fc\u30e0\u30921\u3064\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306b\u30d0\u30f3\u30c9\u30eb\u3057\u3001HTTP\/3\/QUIC\u306f\u4e0d\u5b89\u5b9a\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306e\u30d8\u30c3\u30c9\u30fb\u30aa\u30d6\u30fb\u30e9\u30a4\u30f3\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3092\u6e1b\u3089\u3059\u3002 <strong>\u5b89\u5b9a\u6027<\/strong> 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\u306a\u305c\u306a\u3089\u3001\u30df\u30b9\u3084\u518d\u691c\u8a3c\u304c\u305d\u3053\u3067\u4fdd\u7559\u3055\u308c\u308b\u304b\u3089\u3067\u3042\u308b\u3002CPU\u304c\u5341\u5206\u3067\u306a\u3044\u5834\u5408\u3001PHP\u3084\u30ce\u30fc\u30c9\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u84c4\u7a4d\u3055\u308c\u308b\u3002RAM\u3068IOPS\u304c\u4e0d\u8db3\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u9045\u304f\u306a\u308a\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30a6\u30a9\u30fc\u30e0\u30d5\u30a7\u30fc\u30ba\u304c\u3059\u3079\u3066\u9855\u8457\u306a\u30ad\u30e5\u30fc\u3067\u7d42\u308f\u308b\u3002\u79c1\u306fCDN\u3092\u8abf\u6574\u3059\u308b\u524d\u306b\u3001CPU\u30b9\u30c6\u30a3\u30fc\u30eb\u3001iowait\u3001\u30aa\u30fc\u30d7\u30f3\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306a\u3069\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002\u30aa\u30ea\u30b8\u30f3\u304c\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3067\u5fdc\u7b54\u3057\u305f\u3068\u304d\u3060\u3051\u3001CDN\u306f\u5927\u898f\u6a21\u306a\u63a5\u7d9a\u3092\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002 <strong>\u52dd\u5229<\/strong> \u7aef\u304b\u3089\u3002.<\/p>\n\n<h2>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3001DNS\u306e\u8a2d\u8a08<\/h2>\n\n<p>\u3092\u6e2c\u5b9a\u3059\u308b\u3002 <strong>\u901a\u4fe1\u4e8b\u696d\u8005<\/strong> 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href=\"https:\/\/webhosting.de\/ja\/%e3%81%aa%e3%81%9canycast-dns%e3%81%af%e8%87%aa%e5%8b%95%e7%9a%84%e3%81%ab%e9%ab%98%e9%80%9f%e3%81%a7%e3%81%af%e3%81%aa%e3%81%84%e3%81%ae%e3%81%8b%ef%bc%9f%e5%ae%9f%e9%9a%9b%e3%81%ae%e3%83%86%e3%82%b9\/\">\u30a8\u30cb\u30fc\u30ad\u30e3\u30b9\u30c8DNS<\/a>. .\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30c6\u30b9\u30c8\u3092\u884c\u3046\u524d\u306b\u3001\u5b9f\u969b\u306e\u30c8\u30ec\u30fc\u30b9\u3067\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u306a\u308b\u5730\u57df\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u308b\u3002 <strong>\u6d41\u901a<\/strong> \u3092\u8a08\u7b97\u3059\u308b\u3002.<\/p>\n\n<h2>\u52b9\u679c\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u30d1\u30fc\u30b8\u3068TTL\u6226\u7565<\/h2>\n\n<p>\u30af\u30ea\u30fc\u30f3\u306a\u3057 <strong>TTL<\/strong>-\u30ed\u30b8\u30c3\u30af\u3001\u30a8\u30c3\u30b8\u306f\u53e4\u3059\u304e\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u4fe1\u3057\u305f\u308a\u3001\u4e0d\u5fc5\u8981\u306a\u518d\u691c\u8a3c\u3092\u30bd\u30fc\u30b9\u306b\u6d74\u3073\u305b\u305f\u308a\u3057\u307e\u3059\u3002\u79c1\u306f\u3001\u30d7\u30ed\u30ad\u30b7\u306b\u306fs-maxage\u3092\u4f7f\u3044\u3001\u6e2c\u5b9a\u53ef\u80fd\u306a\u30d8\u30c3\u30c0\u306b\u306fage\u30d8\u30c3\u30c0\u3092\u4f7f\u3044\u3001If-None-Match\u304c\u672c\u5f53\u306b\u610f\u5473\u3092\u6301\u3064\u5834\u5408\u306e\u307fETags\u3092\u4f7f\u3046\u3002\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d4\u30fc\u30af\u6642\u306b\u306f\u5b8c\u5168\u306a\u30d1\u30fc\u30b8\u306f\u884c\u308f\u305a\u3001\u30bf\u30b0\u3084\u30d1\u30b9\u3054\u3068\u306b\u30d1\u30fc\u30b8\u3092\u884c\u3044\u307e\u3059\u3002\u30c7\u30d7\u30ed\u30a4\u5f8c\u306eDiff\u30d9\u30fc\u30b9\u306e\u30d1\u30fc\u30b8\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u7bc0\u7d04\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30b3\u30fc\u30eb\u30c9\u30b7\u30e7\u30c3\u30af\u3092\u9632\u304e\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f <strong>\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/strong> \u3092\u30b9\u30bf\u30fc\u30c8\u5024\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\uff1a<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u30b3\u30f3\u30c6\u30f3\u30c4\u30bf\u30a4\u30d7<\/th>\n      <th>\u63a8\u5968TTL<\/th>\n      <th>\u30d1\u30fc\u30b8\u30fb\u30c8\u30ea\u30ac\u30fc<\/th>\n      <th>TTL\u304c\u9ad8\u3059\u304e\u308b\uff0f\u4f4e\u3059\u304e\u308b\u5834\u5408\u306e\u30ea\u30b9\u30af<\/th>\n      <th>CDN\u30eb\u30fc\u30eb\u30ce\u30fc\u30c8<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3055\u308c\u305fCSS\/JS\uff08\u4f8b\uff1aapp.v123.js\uff09<\/td>\n      <td>7\uff5e30\u65e5<\/td>\n      <td>\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3<\/td>\n      <td>\u9ad8\u3059\u304e\u308b\uff1a\u30ea\u30b9\u30af\u306f\u307b\u3068\u3093\u3069\u306a\u3044\u3001\u4f4e\u3059\u304e\u308b\uff1a\u30df\u30b9\u304c\u591a\u3044<\/td>\n      <td>\u30af\u30c3\u30ad\u30fc\u306a\u3057\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u3001\u30af\u30a8\u30ea\u30fc\u306f\u7121\u8996<\/td>\n    <\/tr>\n    <tr>\n      <td>\u753b\u50cf\/\u30d5\u30a9\u30f3\u30c8\u306f\u5909\u66f4\u306a\u3057<\/td>\n      <td>30\uff5e365\u65e5<\/td>\n      <td>\u8cc7\u7523\u30b9\u30ef\u30c3\u30d7<\/td>\n      <td>\u9ad8\u3059\u304e\u308b\uff1a\u6642\u4ee3\u9045\u308c\u306e\u8cc7\u7523\u3001\u4f4e\u3059\u304e\u308b\uff1a\u539f\u70b9\u8ca0\u8377<\/td>\n      <td>\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u8a2d\u5b9a\u3001Gzip\/Brotli\u30c1\u30a7\u30c3\u30af<\/td>\n    <\/tr>\n    <tr>\n      <td>HTML\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\uff08\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30da\u30fc\u30b8\uff09<\/td>\n      <td>15\uff5e120\u5206<\/td>\n      <td>\u30b3\u30f3\u30c6\u30f3\u30c4\u66f4\u65b0<\/td>\n      <td>\u9ad8\u3059\u304e\u308b\uff1a\u53e4\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u3001\u4f4e\u3059\u304e\u308b\uff1a\u518d\u691c\u8a3c<\/td>\n      <td>s-maxage\u3001Stale-While-Revalidate<\/td>\n    <\/tr>\n    <tr>\n      <td>HTML\u30c0\u30a4\u30ca\u30df\u30c3\u30af\uff08\u30b7\u30e7\u30c3\u30d7\u3001\u30ed\u30b0\u30a4\u30f3\uff09<\/td>\n      <td>0\uff5e1\u5206<\/td>\n      <td>\u30e6\u30fc\u30b6\u30fc\u30a4\u30d9\u30f3\u30c8<\/td>\n      <td>\u9ad8\u3059\u304e\u308b\uff1a\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u304c\u6b63\u3057\u304f\u306a\u3044\u3002<\/td>\n      <td>\u30af\u30c3\u30ad\u30fc\/\u8a8d\u8a3c\u3054\u3068\u306eBYPASS<\/td>\n    <\/tr>\n    <tr>\n      <td>API (GET)<\/td>\n      <td>30\uff5e300\u79d2<\/td>\n      <td>\u30c7\u30fc\u30bf\u5909\u66f4<\/td>\n      <td>\u9ad8\u3059\u304e\u308b\uff1a\u53e4\u3044\u30c7\u30fc\u30bf\u3001\u4f4e\u3059\u304e\u308b\uff1a\u96f7\u306e\u9cf4\u308b\u708a\u98ef\u5668<\/td>\n      <td>\u30b9\u30bf\u30fc\u30eb\u30fb\u30a4\u30d5\u30fb\u30a8\u30e9\u30fc\u3001\u30cd\u30ac\u30c6\u30a3\u30d6\u30fb\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/02\/cdn-effect-website-performance-6743.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u9759\u7684\u5bfe\u52d5\u7684 - \u9a5a\u304d\u306e\u52b9\u679c<\/h2>\n\n<p>\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u306f\u9759\u7684\u306a <strong>\u30d5\u30a1\u30a4\u30eb<\/strong> \u975e\u5e38\u306b\u9ad8\u901f\u3067\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u52d5\u7684\u30da\u30fc\u30b8\u3088\u308a\u3082\u6841\u9055\u3044\u306b\u9ad8\u901f\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u753b\u50cf\u3084CSS\u306b\u30af\u30c3\u30ad\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001CDN\u306f\u3053\u308c\u3089\u306e\u30a2\u30bb\u30c3\u30c8\u3092\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u3068\u3057\u3066\u30de\u30fc\u30af\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30d0\u30a4\u30d1\u30b9\u3057\u307e\u3059\u3002Edge\u3068\u30d6\u30e9\u30a6\u30b6\u306f\u3001\u305d\u308c\u306b\u5fdc\u3058\u3066\u9577\u3044\u30c1\u30a7\u30fc\u30f3\u3067\u30bd\u30fc\u30b9\u306b\u623b\u308a\u7d9a\u3051\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u3059\u3079\u3066\u306e\u9759\u7684\u30eb\u30fc\u30c8\u306eCookie\u30d5\u30e9\u30b0\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u30bb\u30c3\u30b7\u30e7\u30f3Cookie\u304c\u542b\u307e\u308c\u306a\u3044\u3088\u3046\u306b\u9759\u7684\u30c9\u30e1\u30a4\u30f3\u3092\u5206\u3051\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a <strong>\u30d2\u30c3\u30c8\u7387<\/strong> \u539f\u70b9\u306b\u306f\u672c\u7269\u306e\u30ed\u30b8\u30c3\u30af\u306e\u4f59\u5730\u304c\u3042\u308b\u3002.<\/p>\n\n<h2>\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u3068\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u306e\u8ce2\u3044\u4f7f\u3044\u65b9<\/h2>\n\n<p>\u30b3\u30fc\u30eb\u30c9\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6bba\u3059 <strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong> \u30ea\u30ea\u30fc\u30b9\u5f8c\u3001\u3059\u3079\u3066\u306e\u30d2\u30c3\u30c8\u304c\u30df\u30b9\u306b\u306a\u308a\u3001Origin\u304c\u5149\u308b\u304b\u3089\u3067\u3059\u3002\u79c1\u306f\u7279\u306b\u91cd\u8981\u306a\u30d1\u30b9\u3092\u4e88\u71b1\u3057\u3001\u30b9\u30bf\u30fc\u30c8\u30da\u30fc\u30b8\u3001\u30d9\u30b9\u30c8\u30bb\u30e9\u30fc\u3001\u91cd\u8981\u306aAPI\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u512a\u5148\u9806\u4f4d\u3092\u4ed8\u3051\u307e\u3059\u3002\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u3068\u30d7\u30ea\u30ed\u30fc\u30c9\u30d8\u30c3\u30c0\u30fc\u306f\u3001\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u30a2\u30bb\u30c3\u30c8\u3092\u6e96\u5099\u3057\u3001\u30ed\u30fc\u30f3\u30c1\u30d5\u30a7\u30fc\u30ba\u3092\u5927\u5e45\u306b\u77ed\u7e2e\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u8a08\u753b\u7684\u306b\u8a2d\u5b9a\u3059\u308c\u3070\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30cf\u30a6\u30c4\u30fc\u304c <a href=\"https:\/\/webhosting.de\/ja\/cdn-%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%a0%e3%82%a2%e3%83%83%e3%83%97-%e3%83%97%e3%83%aa%e3%83%95%e3%82%a7%e3%83%83%e3%83%81%e3%83%b3%e3%82%b0-%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%82%a4%e3%83%88\/\">CDN\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7<\/a> \u6709\u7528\u306a\u30a4\u30f3\u30d1\u30eb\u30b9\u3002Stale-While-Revalidate\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u539f\u70b9\u304c\u77ed\u304f\u3066\u3082\u30a8\u30c3\u30b8\u306f\u4f9b\u7d66\u53ef\u80fd\u306a\u307e\u307e\u3067\u3042\u308b\u3002 <strong>\u5403\u97f3<\/strong>.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/02\/CDN_Konfigurationen_Performance1234.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u69cb\u6210\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306e\u30b9\u30c6\u30c3\u30d7\u30fb\u30d0\u30a4\u30fb\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n<p>\u79c1\u306f\u307e\u305a <strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30ad\u30fc<\/strong>\u9759\u7684\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u30af\u30c3\u30ad\u30fc\u3082\u4e0d\u8981\u306a\u30af\u30a8\u30ea\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3082\u4f7f\u308f\u306a\u3044\u3002\u6b21\u306b\u3001Cache-Control\u3001s-maxage\u3001Stale-While-Revalidate\u3001Stale-If-Error\u3092\u30d8\u30c3\u30c0\u30fc\u3067\u76f4\u63a5\u78ba\u8a8d\u3059\u308b\u3002\u7b2c\u4e09\u306b\u3001\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30fb\u30d1\u30b9\u306e\u30af\u30c3\u30ad\u30fc\u30fb\u30dd\u30ea\u30b7\u30fc\u3068\u8a8d\u53ef\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u304c\u6b63\u3057\u304f\u4fdd\u305f\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u7b2c\u56db\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u2192\u30a8\u30c3\u30b8\u3068\u30a8\u30c3\u30b8\u2192\u30aa\u30ea\u30b8\u30f3\u306b\u3064\u3044\u3066\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3001DNS\u6642\u9593\u3001TLS\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u5730\u57df\u304b\u3089\u500b\u5225\u306b\u6e2c\u5b9a\u3059\u308b\u3002\u7b2c\u4e94\u306b\u3001\u30c7\u30d7\u30ed\u30a4\u5f8c\u306e\u30d1\u30fc\u30b8\u81ea\u52d5\u5316\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u3001\u65b0\u9bae\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u3059\u3050\u306b\u3059\u3079\u3066\u306e\u5730\u57df\u3067\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002 <strong>\u30a8\u30c3\u30b8<\/strong> \u5618\u3060\u3002<\/p>\n\n<h2>\u5178\u578b\u7684\u306a\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3068\u305d\u308c\u3092\u907f\u3051\u308b\u65b9\u6cd5<\/h2>\n\n<p>\u79c1\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u6d3b\u52d5\u3057\u306a\u3044 <strong>\u30d5\u30eb\u30d1\u30fc\u30b8<\/strong> \u3068\u3044\u3046\u306e\u3082\u3001\u30d4\u30fc\u30af\u6642\u306b\u306f\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u30cf\u30ba\u30ec\u306b\u5f53\u305f\u3063\u3066\u3057\u307e\u3046\u304b\u3089\u3067\u3059\u3002\u79c1\u306f\u3001\u201e\u5b89\u5168\u306e\u305f\u3081 \u201c\u306b\u753b\u50cf\u306b\u975e\u5e38\u306b\u4f4e\u3044TTL\u3092\u8a2d\u5b9a\u3057\u307e\u305b\u3093\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u5185\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6570\u304c\u7206\u767a\u7684\u306b\u5897\u3048\u308b\u3088\u3046\u306a\u5927\u3052\u3055\u306aVary\u30eb\u30fc\u30eb\u306f\u4f5c\u3089\u306a\u3044\u3002\u305f\u3068\u3048 \u201e\u4fbf\u5229 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<strong>\u30c9\u30ed\u30c3\u30d7\u30a2\u30a6\u30c8<\/strong> \u30e6\u30fc\u30b6\u30fc\u306e\u305f\u3081\u306b\u3002.<\/p>\n\n<h2>\u30a8\u30c3\u30b8\u6a5f\u80fd\uff1a\u30ef\u30fc\u30ab\u30fc\u3001ESI\u3001\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u30fb\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/h2>\n\n<p>\u591a\u304f\u306eCDN\u306f <strong>\u30a8\u30c3\u30b8\u6f14\u7b97<\/strong>\u30d8\u30c3\u30c0\u30fc\u3092\u66f8\u304d\u63db\u3048\u305f\u308a\u3001\u30eb\u30fc\u30c8\u3092\u6c7a\u5b9a\u3057\u305f\u308a\u3001HTML\u3092\u52d5\u7684\u306b\u7d44\u307f\u7acb\u3066\u305f\u308a\u3059\u308b\u5c0f\u3055\u306a\u95a2\u6570\u3067\u3059\u3002\u79c1\u306f\u3053\u308c\u3092\u3001\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u3092\u30a8\u30c3\u30b8\u3067\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3001HTML\u306e\u5927\u90e8\u5206\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u53ef\u80fd\u306a\u72b6\u614b\u306b\u4fdd\u3064\u305f\u3081\u306b\u4f7f\u3063\u3066\u3044\u308b\uff08\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\uff0fESI\u30a2\u30d7\u30ed\u30fc\u30c1\uff09\u3002\u843d\u3068\u3057\u7a74\uff1a\u4f4e\u901f\u306a\u95a2\u6570\u306e\u30b3\u30fc\u30eb\u30c9\u30b9\u30bf\u30fc\u30c8\u3001\u5bdb\u5927\u3059\u304e\u308bCPU\/\u6642\u9593\u5236\u9650\u3001\u518d\u73fe\u6027\u306e\u306a\u3044\u72b6\u614b\u3002\u79c1\u306f\u3001\u95a2\u6570\u3092\u6c7a\u5b9a\u8ad6\u7684\u306a\u3082\u306e\u306b\u4fdd\u3061\u3001p95\u306e\u5b9f\u884c\u6642\u9593\u3092\u6e2c\u5b9a\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30d2\u30c3\u30c8\u3092\u53ef\u80fd\u306b\u3059\u308b\u304b\u9632\u3050\u304b\u3092\u660e\u793a\u7684\u306b\u8a18\u9332\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u753b\u50cf\u3001\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3001\u5727\u7e2e\u306e\u30af\u30ea\u30fc\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/h2>\n\n<p><strong>\u30d6\u30ec\u30c3\u30c9\u30b9\u30c6\u30a3\u30c3\u30af<\/strong> \u30c6\u30ad\u30b9\u30c8\uff08HTML\u3001CSS\u3001JS\uff09\u7528\u306eOrigin\u5727\u7e2e\u306f\u3001Gzip\u3088\u308a\u3082\u5727\u7e2e\u7387\u304c\u9ad8\u3044\u3067\u3059\u304c\u30012\u56de\u4f7f\u7528\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002Edge\u304c\u3059\u3067\u306b\u304d\u308c\u3044\u306b\u5727\u7e2e\u3057\u3066\u3044\u308b\u5834\u5408\u306fOrigin\u5727\u7e2e\u3092\u89e3\u9664\u3057\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u9577\u3055\u3068\u8ee2\u9001\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u6ce8\u610f\u3057\u307e\u3059\u3002WebP\/AVIF\u5f62\u5f0f\u306f\u753b\u50cf\u306b\u306f\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5727\u7e2e\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u53ef\u5909<\/strong>-\u6226\u7565\u3060\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u7206\u767a\u3057\u306a\u3044\u3088\u3046\u306bAccept\u30d8\u30c3\u30c0\u30fc\u3092\u6b63\u898f\u5316\u3057\u3001\u30af\u30a8\u30ea\u30fc\u6587\u5b57\u5217\u3067\u306f\u306a\u304f\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3092\u884c\u3046\u3002.<\/p>\n\n<h2>\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u306e\u6b63\u898f\u5316\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8<\/h2>\n\n<p>\u4e0d\u8981 <strong>\u30af\u30a8\u30ea\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<\/strong> UTM\/Campaign\u306e\u3088\u3046\u306a\u3082\u306e\u306f\u30ed\u30fc\u30d5\u30a1\u30af\u30c8\u30d0\u30ea\u30a2\u30f3\u30c8\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u79c1\u306f\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3084\u30c7\u30fc\u30bf\u3092\u672c\u5f53\u306b\u5909\u66f4\u3059\u308b\u3044\u304f\u3064\u304b\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3060\u3051\u3092\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3057\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u306e\u4ed6\u306e\u3059\u3079\u3066\u3092\u7121\u8996\u3057\u307e\u3059\u3002\u9759\u7684\u30a2\u30bb\u30c3\u30c8\u306b\u3064\u3044\u3066\u306f\u3001\u79c1\u306f\u4e00\u8cab\u3057\u3066\u30ad\u30fc\u304b\u3089\u30af\u30c3\u30ad\u30fc\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u307b\u3068\u3093\u3069\u95a2\u9023\u6027\u306e\u306a\u3044\u30d8\u30c3\u30c0\u30fc\uff08Accept-Language\u306a\u3069\uff09\u3092\u30d5\u30e9\u30c3\u30c8\u306b\u3057\u3066\u3001\u6a5f\u80fd\u3092\u5931\u3046\u3053\u3068\u306a\u304f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7a2e\u985e\u3092\u6e1b\u3089\u3057\u3066\u3044\u308b\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30d2\u30c3\u30c8\u7387\u304c2\u6841\u4e0a\u304c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n<h2>\u8a8d\u8a3c\u3001\u7f72\u540d\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30fb\u30b3\u30f3\u30c6\u30f3\u30c4<\/h2>\n\n<p>\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30ba\u3055\u308c\u305f\u9818\u57df\u306f\u4fdd\u8b77\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304c\u3001\u5b8c\u5168\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u3002\u79c1\u306f 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