{"id":12372477,"date":"2026-03-16T14:18:52","date_gmt":"2026-03-16T06:18:52","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/cdn%e5%8a%a0%e9%80%9f%e5%8e%9f%e7%90%86%e5%85%a8%e8%a7%a3%e6%9e%90%ef%bc%9a%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e5%ae%9e%e8%b7%b5%ef%bc%8c%e6%8f%90%e5%8d%87%e7%bd%91%e7%ab%99%e6%80%a7%e8%83%bd\/"},"modified":"2026-03-16T14:27:28","modified_gmt":"2026-03-16T06:27:28","slug":"cdn-acceleration-principles-guide-boost-website-performance","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/ja\/knowledge\/cdn\/cdn-acceleration-principles-guide-boost-website-performance\/","title":{"rendered":"CDN\uff08Content Delivery Network\uff09\u306e\u52a0\u901f\u539f\u7406\u3092\u5fb9\u5e95\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u521d\u5fc3\u8005\u304b\u3089\u5b9f\u8df5\u8005\u307e\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u7a76\u6975\u306e\u30ac\u30a4\u30c9\u3067\u3059\u3002"},"content":{"rendered":"

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\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001CDN\uff08Content Delivery Network\uff09\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u5fb9\u5e95\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u57fa\u672c\u6982\u5ff5\u304b\u3089\u5b9f\u969b\u306e\u5c0e\u5165\u65b9\u6cd5\u307e\u3067\u3092\u7db2\u7f85\u3057\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

CDN\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n\n\n\n

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CDN\uff08Content Delivery Network\uff09\u306e\u6838\u5fc3\u7684\u306a\u69cb\u6210\u8981\u7d20\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/h3>\n\n\n\n

\u5178\u578b\u7684CDN\uff08Content Delivery Network\uff09\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u4e3b\u306b3\u3064\u306e\u90e8\u5206\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\uff1a\u30a8\u30c3\u30b8\u30ce\u30fc\u30c9\uff08Edge Nodes\uff09\u3001\u5206\u6563\u578b\u30b9\u30c8\u30ec\u30fc\u30b8\u30b7\u30b9\u30c6\u30e0\uff08Distributed Storage Systems\uff09\u3001\u304a\u3088\u3073\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\uff08Intelligent Scheduling Systems\uff09\u3067\u3059\u3002<\/p>\n\n\n\n

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CDN\u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u672c\u52d5\u4f5c\u539f\u7406<\/h2>\n\n\n\n

CDN\u306e\u9ad8\u901f\u5316\u52b9\u679c\u306f\u9b54\u6cd5\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u53b3\u683c\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306b\u57fa\u3065\u3044\u3066\u3044\u308b\u306e\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3001CDN\u6280\u8853\u3092\u7fd2\u5f97\u3059\u308b\u305f\u3081\u306e\u9375\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u30e6\u30fc\u30b6\u30fc\u304c\u521d\u3081\u3066CDN\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u305d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u76f4\u63a5\u30b5\u30fc\u30d0\u30fc\uff08\u30aa\u30ea\u30b8\u30ca\u30eb\u30b5\u30a4\u30c8\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\uff09\u306b\u306f\u5c4a\u304d\u307e\u305b\u3093\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30fc\u30ab\u30ebDNS\uff08Domain Name System\uff09\u304c\u307e\u305a\u3001\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u89e3\u6c7a\u30ea\u30af\u30a8\u30b9\u30c8\u3092CDN\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8\u306aDNS\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n

\u63a8\u85a6\u56f3\u66f8 CDN\u6280\u8853\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u539f\u7406\u304b\u3089\u5fdc\u7528\u307e\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u7a76\u6975\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a>\u3002<\/p>\n\n\n\n\n

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CDN\u7684\u4e3b\u8981\u4f18\u52bf\u4e0e\u9002\u7528\u573a\u666f<\/h2>\n\n\n\n

CDN\uff08Content Delivery Network\uff09\u306e\u5c0e\u5165\u306b\u3088\u308a\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u591a\u89d2\u7684\u306a\u5411\u4e0a\u3092\u9042\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u5229\u70b9\u306f\u300c\u9ad8\u901f\u5316\u300d\u3068\u3044\u3046\u5358\u7d14\u306a\u8868\u73fe\u3060\u3051\u306b\u3068\u3069\u307e\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

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CDN\uff08Content Delivery Network\uff09\u306e\u9078\u629e\u3068\u5b9f\u65bd\u65b9\u6cd5\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n

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\u6982\u8981<\/h2>\n\n\n\n

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FAQ \u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n

\u4f7f\u7528CDN\u540e\uff0c\u6211\u7684\u7f51\u7ad9\u901f\u5ea6\u4e00\u5b9a\u4f1a\u53d8\u5feb\u5417\uff1f<\/h3>\n\n\n\n

\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u7279\u306b\u4e16\u754c\u4e2d\u3084\u8907\u6570\u5730\u57df\u306b\u30e6\u30fc\u30b6\u30fc\u304c\u3044\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u3068\u3063\u3066\u3001CDN\uff08Content Delivery Network\uff09\u306f\u30a2\u30af\u30bb\u30b9\u901f\u5ea6\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u52b9\u679c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u5730\u7406\u7684\u306a\u8ddd\u96e2\u3001CDN\u30ce\u30fc\u30c9\u306e\u914d\u7f6e\u3068\u54c1\u8cea\u3001\u305d\u3057\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u8a2d\u5b9a\u306e\u9069\u5207\u3055\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u7d14\u7c8b\u306b\u30ed\u30fc\u30ab\u30eb\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30fc\u30ab\u30eb\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5834\u5408\u3001\u901f\u5ea6\u5411\u4e0a\u306e\u52b9\u679c\u306f\u3042\u307e\u308a\u9855\u8457\u3067\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001CDN\u306f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6025\u5897\u306b\u5bfe\u3059\u308b\u8010\u6027\u3084\u4fe1\u983c\u6027\u306e\u5411\u4e0a\u3068\u3044\u3046\u70b9\u3067\u4f9d\u7136\u3068\u3057\u3066\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

CDN\uff08Content Delivery Network\uff09\u306f\u4e3b\u306b\u3069\u306e\u3088\u3046\u306a\u30bf\u30a4\u30d7\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u914d\u4fe1\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n

CDN\uff08Content Delivery Network\uff09\u306f\u5f53\u521d\u3001\u753b\u50cf\u3001\u52d5\u753b\u3001CSS\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3001JavaScript\u30d5\u30a1\u30a4\u30eb\u3001\u30d5\u30a9\u30f3\u30c8\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306a\u3069\u306e\u9759\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u9ad8\u901f\u914d\u4fe1\u306b\u7279\u5316\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u983b\u7e41\u306b\u5909\u66f4\u3055\u308c\u308b\u3053\u3068\u304c\u306a\u3044\u305f\u3081\u3001\u30a8\u30c3\u30b8\u30ce\u30fc\u30c9\u306b\u9577\u671f\u9593\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u304a\u304f\u306e\u306b\u975e\u5e38\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u6280\u8853\u306e\u9032\u6b69\u306b\u4f34\u3044\u3001\u73fe\u4ee3\u306eCDN\u3067\u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6700\u9069\u5316\u3001TCP\u306e\u6700\u9069\u5316\u3001\u30a8\u30c3\u30b8\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u3044\u3063\u305f\u6280\u8853\u3092\u6d3b\u7528\u3057\u3066\u3001\u500b\u4eba\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3084API\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306a\u3069\u306e\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u9ad8\u901f\u914d\u4fe1\u3082\u52b9\u679c\u7684\u306b\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

CDN\uff08Content Delivery Network\uff09\u306e\u4f7f\u7528\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eSEO\uff08\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u6700\u9069\u5316\uff09\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n

CDN\u3092\u6b63\u3057\u304f\u5229\u7528\u3059\u308b\u3053\u3068\u306fSEO\u306b\u826f\u3044\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002Google\u306a\u3069\u306e\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3067\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u901f\u5ea6\u3092\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u8981\u7d20\u306e\u4e00\u3064\u3068\u3057\u3066\u8003\u616e\u3057\u3066\u304a\u308a\u3001CDN\u306b\u3088\u3063\u3066\u5411\u4e0a\u3059\u308b\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306fSEO\u306b\u6709\u5229\u3067\u3059\u3002\u307e\u305f\u3001CDN\u304c\u3082\u305f\u3089\u3059\u9ad8\u3044\u53ef\u7528\u6027\u306b\u3088\u308a\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u30af\u30ed\u30fc\u30e9\u30fc\u304c\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u5b89\u5b9a\u3057\u3066\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6ce8\u610f\u3059\u3079\u304d\u70b9\u306f\u3001CDN\u306e\u8a2d\u5b9a\u304c\u6b63\u3057\u304f\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u8aa4\u3063\u305fCNAME\u8a2d\u5b9a\u306a\u3069\u306b\u3088\u308a\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u91cd\u8907\u304c\u3042\u308b\u3068\u5224\u65ad\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u5b9f\u969b\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u6b63\u78ba\u306b\u8ee2\u9001\u3067\u304d\u308bCDN\u30b5\u30fc\u30d3\u30b9\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u6b63\u78ba\u306a\u30a2\u30af\u30bb\u30b9\u5206\u6790\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

CDN\uff08Content Delivery Network\uff09\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u9bae\u5ea6\u3092\u3069\u306e\u3088\u3046\u306b\u4fdd\u8a3c\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n\n\n\n

CDN\u306f\u3055\u307e\u3056\u307e\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u901a\u3058\u3066\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u9bae\u5ea6\u3092\u4fdd\u8a3c\u3057\u3066\u3044\u307e\u3059\u3002\u4e3b\u306b\u3001\u30bd\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc\u304cHTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u30fc\u306b\u8a2d\u5b9a\u3059\u308b\u30ad\u30e3\u30c3\u30b7\u30e5\u5236\u5fa1\u30b3\u30de\u30f3\u30c9\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002Cache-Control<\/code>\u3068Expires<\/code>\u30a8\u30c3\u30b8\u30ce\u30fc\u30c9\u306f\u3053\u308c\u3089\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001\u671f\u9650\u304c\u5207\u308c\u308b\u307e\u3067\u4fdd\u6301\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001CDN\u30b5\u30fc\u30d3\u30b9\u306b\u306f\u901a\u5e38\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u66f4\u65b0\u300d\u6a5f\u80fd\u304c\u5099\u308f\u3063\u3066\u304a\u308a\u3001\u7ba1\u7406\u8005\u304c\u6307\u5b9a\u3057\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u53e4\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u81ea\u52d5\u7684\u306b\u524a\u9664\u3057\u3001\u30a8\u30c3\u30b8\u30ce\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u30aa\u30ea\u30b8\u30ca\u30eb\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u53d6\u5f97\u3059\u308b\u3088\u3046\u5f37\u5236\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u90e8\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3067\u306f\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u5909\u66f4\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u81ea\u52d5\u7684\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u7121\u52b9\u306b\u3059\u308b\u6a5f\u80fd\u3082\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

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