{"id":12358602,"date":"2026-03-10T15:58:05","date_gmt":"2026-03-10T07:58:05","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/cdn-%e5%85%a8%e6%96%b9%e4%bd%8d%e8%a7%a3%e6%9e%90%ef%bc%9a%e4%bb%8e%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86%e5%88%b0%e9%80%89%e5%9e%8b%e6%8c%87%e5%8d%97%ef%bc%8c%e6%8f%90%e5%8d%87%e4%bd%a0%e7%9a%84\/"},"modified":"2026-03-11T12:56:59","modified_gmt":"2026-03-11T04:56:59","slug":"cdn-comprehensive-guide-how-it-works-and-choosing-the-right-one-to-boost-website-speed","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/zh-hant\/knowledge\/cdn\/cdn-comprehensive-guide-how-it-works-and-choosing-the-right-one-to-boost-website-speed\/","title":{"rendered":"CDN \u5168\u65b9\u4f4d\u89e3\u6790\uff1a\u4ece\u5de5\u4f5c\u539f\u7406\u5230\u9009\u578b\u6307\u5357\uff0c\u63d0\u5347\u4f60\u7684\u7f51\u7ad9\u52a0\u8f7d\u901f\u5ea6"},"content":{"rendered":"

\u5728\u5f53\u4eca\u4ee5\u7528\u6237\u4f53\u9a8c\u4e3a\u6838\u5fc3\u7684\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u7f51\u7ad9\u548c\u5e94\u7528\u7684\u901f\u5ea6\u662f\u51b3\u5b9a\u7528\u6237\u7559\u5b58\u4e0e\u4e1a\u52a1\u6210\u8d25\u7684\u5173\u952e\u56e0\u7d20\u4e4b\u4e00\u3002\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u5e94\u8fd0\u800c\u751f\uff0c\u6210\u4e3a\u4e86\u73b0\u4ee3\u7f51\u7edc\u67b6\u6784\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u52a0\u901f\u4e0e\u7a33\u5b9a\u89e3\u51b3\u65b9\u6848\u3002\u5b83\u7684\u6838\u5fc3\u4ef7\u503c\u5728\u4e8e\u5c06\u6e90\u7ad9\u7684\u5185\u5bb9\u9ad8\u6548\u3001\u5b89\u5168\u5730\u5206\u53d1\u81f3\u5168\u7403\u5404\u5730\u7684\u7528\u6237\uff0c\u89e3\u51b3\u7f51\u7edc\u62e5\u585e\u3001\u8de8\u8fd0\u8425\u5546\u8bbf\u95ee\u6162\u3001\u670d\u52a1\u5668\u538b\u529b\u5927\u7b49\u4e00\u7cfb\u5217\u95ee\u9898\u3002<\/p>\n\n\n\n

## CDN \u7684\u57fa\u672c\u7ec4\u6210\u4e0e\u5de5\u4f5c\u539f\u7406
\nCDN \u5e76\u975e\u5355\u4e00\u7684\u6280\u672f\uff0c\u800c\u662f\u4e00\u4e2a\u7531\u5206\u5e03\u5f0f\u8282\u70b9\u6784\u6210\u7684\u667a\u80fd\u7f51\u7edc\u3002\u5176\u9ad8\u6548\u8fd0\u8f6c\u4f9d\u8d56\u4e8e\u591a\u4e2a\u6838\u5fc3\u7ec4\u4ef6\u7684\u534f\u540c\u5de5\u4f5c\u3002<\/p>\n\n\n\n

\u6838\u5fc3\u7ec4\u4ef6\uff1a\u8282\u70b9\u4e0e\u7f13\u5b58<\/h3>\n\n\n\n

CDN \u7f51\u7edc\u7531\u904d\u5e03\u5168\u7403\u7684\u7f13\u5b58\u8282\u70b9\uff08\u6216\u79f0\u8fb9\u7f18\u8282\u70b9\uff09\u548c\u5c11\u91cf\u7684\u4e2d\u5fc3\u8282\u70b9\u6784\u6210\u3002\u8fd9\u4e9b\u8282\u70b9\u901a\u5e38\u90e8\u7f72\u5728\u5404\u5927\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546\uff08ISP\uff09\u7684\u6570\u636e\u4e2d\u5fc3\u5185\uff0c\u62e5\u6709\u5145\u8db3\u7684\u5e26\u5bbd\u8d44\u6e90\u3002\u5f53\u7528\u6237\u8bf7\u6c42\u4e00\u4e2a\u8d44\u6e90\uff08\u5982\u56fe\u7247\u3001CSS\u3001JavaScript \u6587\u4ef6\u6216\u89c6\u9891\uff09\u65f6\uff0c\u8bf7\u6c42\u9996\u5148\u4f1a\u88ab\u5b9a\u5411\u5230\u79bb\u7528\u6237\u5730\u7406\u4f4d\u7f6e\u6700\u8fd1\u6216\u7f51\u7edc\u94fe\u8def\u6700\u4f18\u7684\u8fb9\u7f18\u8282\u70b9\u3002\u5982\u679c\u8be5\u8282\u70b9\u4e0a\u5df2\u7f13\u5b58\u4e86\u8be5\u8d44\u6e90\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u7ed9\u7528\u6237\uff0c\u8fd9\u88ab\u79f0\u4e3a\u201c\u7f13\u5b58\u547d\u4e2d\u201d\u3002\u5982\u679c\u672a\u7f13\u5b58\uff0c\u8fb9\u7f18\u8282\u70b9\u4f1a\u5411\u4e0a\u4e00\u7ea7\u8282\u70b9\u6216\u76f4\u63a5\u56de\u6e90\u7ad9\u83b7\u53d6\u8d44\u6e90\uff0c\u7f13\u5b58\u4e0b\u6765\u540e\u518d\u63d0\u4f9b\u7ed9\u7528\u6237\u3002<\/p>\n

\u5efa\u8b70\u9605\u8bfb \u6df1\u5165\u89e3\u6790CDN\uff1a\u52a0\u901f\u7f51\u7ad9\u5185\u5bb9\u5206\u53d1\u7684\u6838\u5fc3\u6280\u672f\u539f\u7406\u4e0e\u5b9e\u8df5\u6307\u5357<\/a>\u3002<\/p>\n\n\n\n\n

\u5173\u952e\u6280\u672f\uff1a\u667a\u80fd DNS \u89e3\u6790\u4e0e\u8d1f\u8f7d\u5747\u8861<\/h3>\n\n\n\n

CDN \u7684\u667a\u80fd\u6027\u9996\u5148\u4f53\u73b0\u5728\u6d41\u91cf\u7684\u5f15\u5bfc\u4e0a\uff0c\u8fd9\u4e3b\u8981\u4f9d\u8d56\u4e8e\u667a\u80fd DNS \u7cfb\u7edf\u3002\u5f53\u7528\u6237\u53d1\u8d77\u8bf7\u6c42\u65f6\uff0c\u672c\u5730 DNS \u4f1a\u5c06\u57df\u540d\u89e3\u6790\u8bf7\u6c42\u53d1\u9001\u5230 CDN \u5382\u5546\u7684\u6743\u5a01 DNS \u670d\u52a1\u5668\u3002\u8fd9\u53f0\u670d\u52a1\u5668\u5e76\u975e\u7b80\u5355\u5730\u8fd4\u56de\u4e00\u4e2a\u56fa\u5b9a IP\uff0c\u800c\u662f\u6839\u636e\u4e00\u5957\u590d\u6742\u7684\u7b56\u7565\uff08\u5305\u62ec\u7528\u6237 IP \u6765\u6e90\u3001\u8282\u70b9\u5065\u5eb7\u72b6\u51b5\u3001\u8282\u70b9\u8d1f\u8f7d\u3001\u7f51\u7edc\u6027\u80fd\u7b49\uff09\u8fdb\u884c\u5b9e\u65f6\u8ba1\u7b97\uff0c\u6700\u7ec8\u5c06\u6700\u5408\u9002\u7684\u8fb9\u7f18\u8282\u70b9 IP \u5730\u5740\u8fd4\u56de\u7ed9\u7528\u6237\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u901a\u5e38\u4e0e\u8d1f\u8f7d\u5747\u8861\u6280\u672f\u7d27\u5bc6\u7ed3\u5408\uff0c\u786e\u4fdd\u6d41\u91cf\u5747\u5300\u3001\u5408\u7406\u5730\u5206\u914d\u5230\u5404\u4e2a\u8282\u70b9\uff0c\u907f\u514d\u5355\u4e00\u8282\u70b9\u8fc7\u8f7d\u3002<\/p>\n\n

\r\n\t\r\n\t\t\r\n\t\r\n\t
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\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\u5154\u5b50\u7db2\u7ad9\uff08bunny.net\uff09\u7684\u5167\u5bb9\u5206\u767c\u7db2\u7edc\uff08CDN\uff09\"\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t
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\r\n\t\t\t\t\t\u5154\u5b50\u7db2\u7ad9\uff08bunny.net\uff09\u7684\u5167\u5bb9\u5206\u767c\u7db2\u7edc\uff08CDN\uff09<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\u6bcf\u6708\u8cbb\u7528\u6700\u4f4e\u4ec5\u9700 1 \u7f8e\u5143\uff0c\u6536\u8d39\u900f\u660e\u7121\u4efb\u4f55\u9690\u85cf\u8d39\u7528\u3002\u5e73\u53f0\u652f\u6301\u6c38\u4e45\u7f13\u5b58\u3001\u5b9e\u65f6\u76d1\u63a7\u3001DDoS \u9632\u62a4\u548c\u514d\u8d39 SSL \u8bc1\u4e66\uff0c\u4e26\u4e13\u4e3a\u89c6\u9891\u6d41\u4f18\u5316\u800c\u8bbe\u8ba1\uff0c\u540c\u65f6\u8fd8\u63d0\u4f9b\u6309\u4f7f\u7528\u91cf\u8ba1\u8d39\u7684\u7075\u6d3b\u6a21\u5f0f\u3002<\/span>\r\n\t\t\t\t
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\u7121\u9700\u4f7f\u7528\u4fe1\u7528\u5361\uff0c\u53ef\u4eab\u6709 14 \u5929\u514d\u8d39\u8a66\u7528\u671f\u3002<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\u8bbf\u95ee bunny.net \u7684\u5185\u5bb9\u5206\u767c\u7db2\u7edc (CDN) \u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n\t\r\n\t
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\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Cloudways\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t\r\n\t\t\t
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\r\n\t\t\t\t\tCloudways Cloudflare \u4f01\u4e1a\u7248<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\tCloudflare \u4f01\u4e1a\u7d1a CDN\/WAF \u7684\u5b9a\u50f9\u65b9\u6848\u5982\u4e0b\uff1a\u82e5\u57df\u540d\u6570\u91cf\u4e0d\u8d85\u904e 5 \u500b\uff0c\u6bcf\u500b\u57df\u540d\u6bcf\u6708\u6536\u8d39 4.99 \u7f8e\u5143\uff0c\u5305\u542b 100GB \u6d41\u91cf\uff0c\u8d85\u51fa\u90e8\u5206\u5c07\u6309 0.02 \u7f8e\u5143\/GB \u6536\u8d39\u3002<\/span>\r\n\t\t\t\t
\r\n\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t \r\n\t\t\t
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\u6bcf\u500b\u57df\u540d\u9644\u9001 100GB \u6d41\u91cf<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\u8bbf\u554f Cloudways Cloudflare \u4f01\u4e1a\u7248 \u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n<\/div>\r\n\r\n\r\n\n\n\n\n\n\n\n

\u5185\u5bb9\u540c\u6b65\u673a\u5236<\/h3>\n\n\n\n

\u4e3a\u4e86\u786e\u4fdd\u7528\u6237\u80fd\u591f\u8bbf\u95ee\u5230\u6700\u65b0\u5185\u5bb9\uff0cCDN \u5fc5\u987b\u6709\u4e00\u5957\u9ad8\u6548\u3001\u53ef\u9760\u7684\u5185\u5bb9\u540c\u6b65\u673a\u5236\u3002\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u662f\u201c\u88ab\u52a8\u7f13\u5b58\u201d\uff08\u7f13\u5b58\u8fc7\u671f\u4e0e\u56de\u6e90\uff09\u548c\u201c\u4e3b\u52a8\u9884\u70ed\u201d\u3002\u88ab\u52a8\u7f13\u5b58\u4f9d\u8d56\u4e8e\u7f13\u5b58\u63a7\u5236\u5934\uff08\u5982 `Cache-Control`, `Expires`\uff09\u6765\u786e\u5b9a\u8d44\u6e90\u7684\u6709\u6548\u671f\uff1b\u4e3b\u52a8\u9884\u70ed\u5219\u5141\u8bb8\u7528\u6237\u6216\u6e90\u7ad9\u4e3b\u52a8\u5c06\u91cd\u8981\u8d44\u6e90\u63a8\u9001\u5230\u6240\u6709\u6216\u6307\u5b9a\u7684\u8fb9\u7f18\u8282\u70b9\uff0c\u786e\u4fdd\u5728\u9ad8\u5e76\u53d1\u8bf7\u6c42\u5230\u6765\u524d\uff0c\u5185\u5bb9\u5df2\u51c6\u5907\u5c31\u7eea\u3002\u6b64\u5916\uff0c\u7f13\u5b58\u5237\u65b0\u529f\u80fd\u5141\u8bb8\u6e90\u7ad9\u66f4\u65b0\u5185\u5bb9\u540e\uff0c\u7acb\u5373\u6e05\u9664 CDN \u4e0a\u5bf9\u5e94\u7684\u65e7\u7f13\u5b58\u3002<\/p>\n\n\n\n

## \u4f7f\u7528 CDN \u7684\u6838\u5fc3\u4f18\u52bf
\n\u7f51\u7ad9\u548c\u5e94\u7528\u96c6\u6210 CDN \u540e\uff0c\u80fd\u83b7\u5f97\u7acb\u7aff\u89c1\u5f71\u4e14\u591a\u5143\u5316\u7684\u6536\u76ca\uff0c\u8fd9\u4e9b\u4f18\u52bf\u662f\u5176\u5728\u5168\u7403\u8303\u56f4\u5185\u88ab\u5e7f\u6cdb\u91c7\u7528\u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n\n\n\n

\u5927\u5e45\u63d0\u5347\u7ec8\u7aef\u7528\u6237\u8bbf\u95ee\u901f\u5ea6<\/h3>\n\n\n\n

\u8fd9\u662f CDN \u6700\u76f4\u63a5\u3001\u6700\u663e\u8457\u7684\u4f18\u52bf\u3002\u901a\u8fc7\u5c06\u5185\u5bb9\u7f13\u5b58\u81f3\u8ddd\u79bb\u7528\u6237\u4ec5\u201c\u4e00\u8df3\u201d\u4e4b\u9065\u7684\u8fb9\u7f18\u8282\u70b9\uff0c\u6781\u5927\u5730\u51cf\u5c11\u4e86\u7f51\u7edc\u5ef6\u8fdf\u548c\u6570\u636e\u5305\u4f20\u8f93\u8ddd\u79bb\u3002\u65e0\u8bba\u7528\u6237\u8eab\u5904\u4f55\u5730\uff0c\u90fd\u53ef\u4ee5\u5feb\u901f\u52a0\u8f7d\u7f51\u9875\u5185\u5bb9\uff0c\u89c2\u770b\u6d41\u7545\u7684\u89c6\u9891\uff0c\u4ece\u800c\u663e\u8457\u63d0\u5347\u7528\u6237\u6ee1\u610f\u5ea6\u548c\u53c2\u4e0e\u5ea6\u3002\u5bf9\u4e8e\u7535\u5546\u3001\u5a92\u4f53\u3001\u5728\u7ebf\u6559\u80b2\u7b49\u884c\u4e1a\uff0c\u9875\u9762\u52a0\u8f7d\u65f6\u95f4\u6bcf\u51cf\u5c11\u4e00\u79d2\uff0c\u90fd\u53ef\u80fd\u5e26\u6765\u53ef\u89c2\u7684\u8f6c\u5316\u7387\u63d0\u5347\u3002<\/p>\n\n\n\n

\u6709\u6548\u7f13\u89e3\u6e90\u7ad9\u538b\u529b\uff0c\u4fdd\u969c\u7a33\u5b9a\u6027<\/h3>\n\n\n\n

\u5728\u6ca1\u6709 CDN \u7684\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u7528\u6237\u8bf7\u6c42\u90fd\u5c06\u76f4\u63a5\u51b2\u51fb\u6e90\u7ad9\u670d\u52a1\u5668\uff0c\u5bf9\u5e26\u5bbd\u3001CPU \u548c I\/O \u90fd\u662f\u5de8\u5927\u8003\u9a8c\uff0c\u6781\u6613\u56e0\u7a81\u53d1\u6d41\u91cf\u5bfc\u81f4\u670d\u52a1\u5668\u8fc7\u8f7d\u751a\u81f3\u5b95\u673a\u3002CDN \u80fd\u62e6\u622a\u5e76\u5904\u7406\u7edd\u5927\u591a\u6570\u9759\u6001\u8d44\u6e90\u8bf7\u6c42\uff08\u901a\u5e38\u5360\u9875\u9762\u6d41\u91cf\u7684 70% \u4ee5\u4e0a\uff09\uff0c\u53ea\u6709\u56de\u6e90\u8bf7\u6c42\u6216\u52a8\u6001\u8bf7\u6c42\u624d\u4f1a\u5230\u8fbe\u6e90\u7ad9\u3002\u8fd9\u76f8\u5f53\u4e8e\u4e3a\u6e90\u7ad9\u6784\u7b51\u4e86\u4e00\u9053\u7f13\u51b2\u5e26\uff0c\u4f7f\u5176\u80fd\u591f\u4e13\u6ce8\u4e8e\u5904\u7406\u6838\u5fc3\u4e1a\u52a1\u903b\u8f91\uff0c\u589e\u5f3a\u4e86\u7f51\u7ad9\u5e94\u5bf9\u6d41\u91cf\u6d2a\u5cf0\u548c\u6076\u610f\u653b\u51fb\u7684\u80fd\u529b\u3002<\/p>\n

\u5efa\u8b70\u9605\u8bfb CDN \u6280\u672f\u8be6\u89e3\uff1a\u4ece\u539f\u7406\u5230\u5b9e\u8df5\uff0c\u63d0\u5347\u7f51\u7ad9\u6027\u80fd\u4e0e\u7528\u6237\u4f53\u9a8c<\/a>\u3002<\/p>\n\n\n\n\n

\u589e\u5f3a\u5b89\u5168\u9632\u62a4\u80fd\u529b<\/h3>\n\n\n\n

\u73b0\u4ee3 CDN \u670d\u52a1\u5df2\u4e0d\u4ec5\u662f\u52a0\u901f\u5de5\u5177\uff0c\u66f4\u662f\u5b89\u5168\u9632\u62a4\u7684\u91cd\u8981\u4e00\u73af\u3002\u8bb8\u591a CDN \u63d0\u4f9b\u5546\u96c6\u6210\u4e86 Web \u5e94\u7528\u9632\u706b\u5899\uff08WAF\uff09\u3001\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\uff08DDoS\uff09\u653b\u51fb\u9632\u62a4\u7b49\u529f\u80fd\u3002\u901a\u8fc7\u904d\u5e03\u5168\u7403\u7684\u8fb9\u7f18\u8282\u70b9\uff0cCDN \u53ef\u4ee5\u8bc6\u522b\u5e76\u62e6\u622a\u6076\u610f\u6d41\u91cf\uff08\u5982\u722c\u866b\u3001\u6ce8\u5165\u653b\u51fb\u3001CC\u653b\u51fb\uff09\uff0c\u5728\u4e0d\u5f71\u54cd\u6b63\u5e38\u7528\u6237\u8bbf\u95ee\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u8fd9\u4e9b\u5a01\u80c1\u963b\u6321\u5728\u8fb9\u7f18\uff0c\u4ece\u800c\u4fdd\u62a4\u6e90\u7ad9\u670d\u52a1\u5668\u7684\u5b89\u5168\u3002<\/p>\n\n\n\n

\u964d\u4f4e\u5e26\u5bbd\u6210\u672c<\/h3>\n\n\n\n

\u5bf9\u4e8e\u6d41\u91cf\u5de8\u5927\u7684\u7f51\u7ad9\uff0c\u6e90\u7ad9\u5e26\u5bbd\u662f\u4e00\u7b14\u4e0d\u5c0f\u7684\u5f00\u652f\u3002\u901a\u8fc7\u4f7f\u7528 CDN\uff0c\u7531\u4e8e\u5927\u90e8\u5206\u6d41\u91cf\u7531\u8fb9\u7f18\u8282\u70b9\u76f4\u63a5\u63d0\u4f9b\uff0c\u6e90\u7ad9\u7684\u51fa\u53e3\u5e26\u5bbd\u538b\u529b\u9aa4\u51cf\u3002\u867d\u7136\u4f7f\u7528 CDN \u672c\u8eab\u9700\u8981\u652f\u4ed8\u8d39\u7528\uff0c\u4f46\u5176\u901a\u5e38\u91c7\u7528\u9636\u68af\u8ba1\u8d39\u6a21\u5f0f\uff08\u4f7f\u7528\u91cf\u8d8a\u5927\u5355\u4ef7\u8d8a\u4f4e\uff09\uff0c\u7efc\u5408\u8ba1\u7b97\u4e0b\u6765\uff0c\u6574\u4f53\u5e26\u5bbd\u6210\u672c\u5f80\u5f80\u80fd\u5f97\u5230\u6709\u6548\u63a7\u5236\uff0c\u5b9e\u73b0\u4e86\u6027\u80fd\u4e0e\u6210\u672c\u7684\u53cc\u8d62\u3002<\/p>\n

\u5efa\u8b70\u9605\u8bfb CDN \u6280\u672f\u539f\u7406\u4ece\u5165\u95e8\u5230\u7cbe\u901a\uff1a\u6784\u5efa\u9ad8\u6027\u80fd\u7f51\u7ad9\u7684\u6838\u5fc3\u7b56\u7565<\/a>\u3002<\/p>\n\n\n\n\n

## \u5982\u4f55\u9009\u62e9\u548c\u8bc4\u4f30 CDN \u670d\u52a1\u5546
\n\u9762\u5bf9\u5e02\u573a\u4e0a\u4f17\u591a\u7684 CDN \u670d\u52a1\u5546\uff0c\u5982\u4f55\u505a\u51fa\u660e\u667a\u7684\u9009\u62e9\u81f3\u5173\u91cd\u8981\u3002\u8bc4\u4f30\u8fc7\u7a0b\u9700\u8981\u4ece\u591a\u4e2a\u7ef4\u5ea6\u8fdb\u884c\u7efc\u5408\u8003\u91cf\uff0c\u5339\u914d\u81ea\u8eab\u7684\u6838\u5fc3\u4e1a\u52a1\u9700\u6c42\u3002<\/p>\n\n\n\n

\u8282\u70b9\u8986\u76d6\u8303\u56f4\u4e0e\u6027\u80fd\u8868\u73b0<\/h3>\n\n\n\n

\u9996\u5148\u5e94\u5173\u6ce8 CDN \u63d0\u4f9b\u5546\u7684\u8282\u70b9\u6570\u91cf\u3001\u5730\u7406\u4f4d\u7f6e\u5206\u5e03\u4ee5\u53ca\u5176\u5408\u4f5c\u7684\u8fd0\u8425\u5546\u7f51\u7edc\uff08\u5982\u7535\u4fe1\u3001\u8054\u901a\u3001\u79fb\u52a8\u7b49\uff09\u3002\u8282\u70b9\u8986\u76d6\u8d8a\u5e7f\u6cdb\u3001\u8d8a\u6df1\u5165\uff0c\u8d8a\u80fd\u4e3a\u4e0d\u540c\u5730\u533a\u7684\u7528\u6237\u63d0\u4f9b\u4f18\u8d28\u8bbf\u95ee\u4f53\u9a8c\u3002\u53ef\u4ee5\u901a\u8fc7\u7b2c\u4e09\u65b9\u6d4b\u901f\u5e73\u53f0\uff08\u5982\u89c2\u5bdf\u6d4b\u901f\u3001\u535a\u777f\u7b49\uff09\u6216\u81ea\u884c\u53d1\u8d77\u771f\u5b9e\u7528\u6237\u76d1\u63a7\uff08RUM\uff09\u6765\u8bc4\u4f30\u5404\u5382\u5546\u5728\u4e0d\u540c\u5730\u57df\u3001\u4e0d\u540c\u8fd0\u8425\u5546\u4e0b\u7684\u6027\u80fd\u8868\u73b0\uff0c\u5982\u9996\u5b57\u8282\u65f6\u95f4\u3001\u5b8c\u5168\u52a0\u8f7d\u65f6\u95f4\u3001\u53ef\u7528\u6027\u7b49\u5173\u952e\u6307\u6807\u3002<\/p>\n\n\n\n

\u529f\u80fd\u7279\u6027\u4e0e\u6613\u7528\u6027<\/h3>\n\n\n\n

\u9664\u4e86\u57fa\u7840\u7684\u7f13\u5b58\u52a0\u901f\uff0c\u8fd8\u9700\u786e\u8ba4 CDN \u662f\u5426\u63d0\u4f9b\u60a8\u6240\u9700\u7684\u9ad8\u7ea7\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u82e5\u4e1a\u52a1\u6d89\u53ca\u6d77\u91cf\u89c6\u9891\u6d41\u5a92\u4f53\uff0c\u5219\u9700\u8981\u5f3a\u529b\u7684\u89c6\u9891\u70b9\u64ad\/\u76f4\u64ad\u52a0\u901f\u3001\u5207\u7247\u4e0e\u8f6c\u7801\u670d\u52a1\uff1b\u82e5\u4e1a\u52a1\u5168\u7403\u5316\uff0c\u5219\u9700\u5173\u6ce8\u5bf9 HTTP\/3\uff08QUIC\uff09\u3001IPv6\u3001TLS \u6700\u65b0\u7248\u672c\u7684\u652f\u6301\u3002\u540c\u65f6\uff0c\u63a7\u5236\u53f0\u7684\u7ba1\u7406\u662f\u5426\u4fbf\u6377\u3001\u914d\u7f6e\u662f\u5426\u7075\u6d3b\u3001API \u662f\u5426\u5b8c\u5584\u3001\u65e5\u5fd7\u4e0e\u7edf\u8ba1\u62a5\u8868\u662f\u5426\u6e05\u6670\u8be6\u5c3d\uff0c\u90fd\u76f4\u63a5\u5173\u7cfb\u5230\u65e5\u5e38\u8fd0\u7ef4\u7684\u6548\u7387\u3002<\/p>\n\n\n\n

\u5b89\u5168\u4e0e\u53ef\u9760\u6027\u4fdd\u969c<\/h3>\n\n\n\n

\u5b89\u5168\u529f\u80fd\u5728\u5f53\u524d\u73af\u5883\u4e0b\u5fc5\u4e0d\u53ef\u5c11\u3002\u9700\u8be6\u7ec6\u4e86\u89e3 CDN \u670d\u52a1\u5546\u5728 DDoS \u9632\u62a4\u3001WAF \u89c4\u5219\u5e93\u3001HTTPS \u652f\u6301\uff08\u662f\u5426\u514d\u8d39\u63d0\u4f9b SSL \u8bc1\u4e66\uff09\u3001\u8bbf\u95ee\u63a7\u5236\uff08\u5982 referer \u9632\u76d7\u94fe\u3001IP \u9ed1\u767d\u540d\u5355\u3001\u65f6\u95f4\u6233\u9632\u76d7\u94fe\uff09\u7b49\u65b9\u9762\u7684\u80fd\u529b\u3002\u540c\u65f6\uff0c\u670d\u52a1\u7b49\u7ea7\u534f\u8bae\uff08SLA\uff09\u662f\u8861\u91cf\u53ef\u9760\u6027\u7684\u91cd\u8981\u6307\u6807\uff0c\u5b83\u660e\u786e\u4e86\u670d\u52a1\u5546\u627f\u8bfa\u7684\u53ef\u7528\u6027\u767e\u5206\u6bd4\uff08\u5982 99.9% \u6216 99.99%\uff09\u53ca\u8d54\u507f\u65b9\u6848\uff0c\u662f\u4e1a\u52a1\u8fde\u7eed\u6027\u7684\u91cd\u8981\u4fdd\u969c\u3002<\/p>\n\n\n\n

\u6210\u672c\u7ed3\u6784\u4e0e\u6280\u672f\u652f\u6301<\/h3>\n\n\n\n

\u6e05\u6670\u7406\u89e3 CDN \u7684\u8ba1\u8d39\u6a21\u5f0f\u662f\u6210\u672c\u63a7\u5236\u7684\u57fa\u7840\u3002\u5e38\u89c1\u7684\u8ba1\u8d39\u65b9\u5f0f\u5305\u62ec\u6309\u5e26\u5bbd\u5cf0\u503c\u8ba1\u8d39\u3001\u6309\u6d41\u91cf\u8ba1\u8d39\u6216\u6309\u8bf7\u6c42\u6b21\u6570\u8ba1\u8d39\u3002\u9700\u8981\u6839\u636e\u81ea\u8eab\u4e1a\u52a1\u66f2\u7ebf\u7684\u7279\u70b9\uff08\u5982\u662f\u5426\u5e38\u6709\u7a81\u53d1\u9ad8\u5cf0\uff09\u9009\u62e9\u6700\u9002\u5408\u7684\u6a21\u5f0f\u3002\u6b64\u5916\uff0c\u6280\u672f\u652f\u6301\u56e2\u961f\u7684\u4e13\u4e1a\u6c34\u5e73\u548c\u54cd\u5e94\u901f\u5ea6\u540c\u6837\u5173\u952e\uff0c\u5c24\u5176\u662f\u5728\u51fa\u73b0\u6545\u969c\u6216\u9700\u8981\u7d27\u6025\u54a8\u8be2\u65f6\uff0c\u80fd\u5426\u5f97\u5230\u53ca\u65f6\u3001\u6709\u6548\u7684\u5e2e\u52a9\u5c06\u76f4\u63a5\u5f71\u54cd\u95ee\u9898\u89e3\u51b3\u7684\u901f\u5ea6\u3002<\/p>\n\n\n\n

## CDN \u7684\u914d\u7f6e\u4e0e\u4f18\u5316\u6700\u4f73\u5b9e\u8df5
\n\u6210\u529f\u63a5\u5165 CDN \u53ea\u662f\u7b2c\u4e00\u6b65\uff0c\u5408\u7406\u7684\u914d\u7f6e\u4e0e\u6301\u7eed\u7684\u4f18\u5316\u624d\u80fd\u91ca\u653e\u5176\u6700\u5927\u6f5c\u80fd\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5173\u952e\u9886\u57df\u7684\u5b9e\u8df5\u6307\u5357\u3002<\/p>\n\n\n\n

\u7f13\u5b58\u7b56\u7565\u7684\u7cbe\u7ec6\u5316\u914d\u7f6e<\/h3>\n\n\n\n

\u826f\u597d\u7684\u7f13\u5b58\u7b56\u7565\u662f CDN \u6548\u80fd\u7684\u6838\u5fc3\u3002\u5e94\u6839\u636e\u8d44\u6e90\u7684\u53d8\u66f4\u9891\u7387\u8fdb\u884c\u5206\u7c7b\u7ba1\u7406\uff1a\u5bf9\u4e8e\u957f\u671f\u4e0d\u53d8\u7684\u9759\u6001\u8d44\u6e90\uff08\u5982\u7248\u672c\u5316\u7684 JS\/CSS\u3001LOGO \u56fe\u7247\uff09\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u8f83\u957f\u7684\u8fc7\u671f\u65f6\u95f4\uff08\u5982\u4e00\u5e74\uff09\uff1b\u5bf9\u4e8e\u53ef\u80fd\u5076\u5c14\u66f4\u65b0\u7684\u8d44\u6e90\uff0c\u53ef\u8bbe\u7f6e\u4e2d\u7b49\u957f\u5ea6\u7f13\u5b58\u5e76\u7ed3\u5408\u7f13\u5b58\u952e\uff08Cache Key\uff09\u5ffd\u7565\u67e5\u8be2\u5b57\u7b26\u4e32\uff1b\u5bf9\u4e8e\u5b8c\u5168\u52a8\u6001\u7684\u5185\u5bb9\uff0c\u5219\u5e94\u8bbe\u7f6e\u4e0d\u7f13\u5b58\u6216\u6781\u77ed\u65f6\u95f4\u7f13\u5b58\u3002\u5229\u7528 `Cache-Control` \u548c CDN \u63a7\u5236\u53f0\u7684\u7f13\u5b58\u89c4\u5219\u529f\u80fd\u8fdb\u884c\u7cbe\u7ec6\u63a7\u5236\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n

\u5229\u7528\u5408\u5e76\u4e0e\u538b\u7f29\u6280\u672f<\/h3>\n\n\n\n

\u5728\u901a\u8fc7 CDN \u5206\u53d1\u524d\uff0c\u5bf9\u524d\u7aef\u8d44\u6e90\u8fdb\u884c\u4f18\u5316\u80fd\u8fdb\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002\u8fd9\u5305\u62ec\u5c06\u591a\u4e2a\u5c0f\u578b\u7684 CSS \u6216 JavaScript \u6587\u4ef6\u5408\u5e76\u4ee5\u51cf\u5c11 HTTP \u8bf7\u6c42\u6b21\u6570\uff1b\u4f7f\u7528 Gzip \u6216 Brotli \u7b49\u7b97\u6cd5\u5bf9\u6587\u672c\u8d44\u6e90\uff08HTML, CSS, JS\uff09\u8fdb\u884c\u538b\u7f29\uff0c\u663e\u8457\u51cf\u5c11\u4f20\u8f93\u4f53\u79ef\uff1b\u5bf9\u56fe\u7247\u8fdb\u884c\u9002\u5f53\u7684\u538b\u7f29\u548c\u683c\u5f0f\u8f6c\u6362\uff08\u5982\u4f7f\u7528 WebP\uff09\uff0c\u5728\u4e0d\u660e\u663e\u635f\u5931\u753b\u8d28\u7684\u524d\u63d0\u4e0b\u5927\u5e45\u7f29\u5c0f\u6587\u4ef6\u5c3a\u5bf8\u3002<\/p>\n\n\n\n

\u542f\u7528 HTTPS \u5e76\u4f18\u5316 TLS \u6027\u80fd<\/h3>\n\n\n\n

\u51fa\u4e8e\u5b89\u5168\u548c SEO \u8003\u8651\uff0c\u5168\u7ad9\u542f\u7528 HTTPS \u5df2\u6210\u4e3a\u6807\u51c6\u505a\u6cd5\u3002CDN \u901a\u5e38\u63d0\u4f9b\u4e00\u7ad9\u5f0f\u7684 HTTPS \u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec\u514d\u8d39 SSL \u8bc1\u4e66\u548c\u81ea\u52a8\u5316\u7ba1\u7406\u3002\u4f18\u5316\u5c42\u9762\uff0c\u53ef\u4ee5\u5f00\u542f HTTP\/2 \u6216 HTTP\/3 \u4ee5\u652f\u6301\u591a\u8def\u590d\u7528\uff0c\u964d\u4f4e\u8fde\u63a5\u5f00\u9500\uff1b\u4f18\u5316 TLS \u914d\u7f6e\uff0c\u5982\u4f7f\u7528\u66f4\u5b89\u5168\u7684\u52a0\u5bc6\u5957\u4ef6\u3001\u542f\u7528\u4f1a\u8bdd\u6062\u590d\uff08Session Resumption\uff09\u4ee5\u51cf\u5c11\u63e1\u624b\u5ef6\u8fdf\u3002<\/p>\n\n\n\n

\u5b9e\u65bd\u667a\u80fd\u9884\u70ed\u4e0e\u5237\u65b0<\/h3>\n\n\n\n

\u56f4\u7ed5\u4e1a\u52a1\u8282\u594f\u4e3b\u52a8\u7ba1\u7406\u7f13\u5b58\u3002\u5728\u8ba1\u5212\u5185\u7684\u8425\u9500\u6d3b\u52a8\uff08\u5982\u65b0\u54c1\u53d1\u5e03\u3001\u5927\u4fc3\uff09\u6216\u5185\u5bb9\u66f4\u65b0\u524d\uff0c\u901a\u8fc7\u9884\u70ed\u529f\u80fd\u5c06\u5173\u952e\u8d44\u6e90\u63d0\u524d\u63a8\u9001\u5230\u8fb9\u7f18\u8282\u70b9\uff0c\u907f\u514d\u6d3b\u52a8\u5f00\u59cb\u65f6\u5927\u91cf\u56de\u6e90\u5bfc\u81f4\u6e90\u7ad9\u538b\u529b\u6fc0\u589e\u3002\u5728\u5185\u5bb9\u66f4\u65b0\u540e\uff0c\u53ca\u65f6\u4f7f\u7528\u5237\u65b0\uff08\u6e05\u9664\u7f13\u5b58\uff09\u529f\u80fd\uff0c\u786e\u4fdd\u7528\u6237\u80fd\u7acb\u5373\u8bbf\u95ee\u5230\u6700\u65b0\u5185\u5bb9\uff0c\u540c\u65f6\u53ef\u5229\u7528\u76ee\u5f55\u5237\u65b0\u6216 URL \u5237\u65b0\u8fdb\u884c\u7cbe\u51c6\u64cd\u4f5c\u3002<\/p>\n\n\n\n

1 2 3 4 5 6 \u603b\u7ed3
\nCDN \u5df2\u7ecf\u4ece\u4e00\u9879\u53ef\u9009\u7684\u9ad8\u7ea7\u670d\u52a1\uff0c\u6f14\u53d8\u4e3a\u652f\u6491\u73b0\u4ee3\u4e92\u8054\u7f51\u5e94\u7528\u9ad8\u901f\u3001\u7a33\u5b9a\u3001\u5b89\u5168\u8fd0\u884c\u7684\u57fa\u77f3\u6280\u672f\u3002\u5b83\u901a\u8fc7\u5206\u5e03\u5f0f\u67b6\u6784\u3001\u667a\u80fd\u8c03\u5ea6\u548c\u8fb9\u7f18\u7f13\u5b58\uff0c\u5728\u7528\u6237\u4e0e\u6e90\u7ad9\u4e4b\u95f4\u6784\u5efa\u4e86\u9ad8\u6548\u7684\u5185\u5bb9\u5206\u53d1\u7ba1\u9053\uff0c\u4ece\u6839\u672c\u4e0a\u89e3\u51b3\u4e86\u56e0\u8ddd\u79bb\u548c\u7f51\u7edc\u74f6\u9888\u5bfc\u81f4\u7684\u6027\u80fd\u95ee\u9898\u3002\u7406\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u6709\u52a9\u4e8e\u66f4\u597d\u5730\u5229\u7528\u5b83\uff0c\u800c\u79d1\u5b66\u7684\u9009\u62e9\u3001\u7cbe\u5fc3\u7684\u914d\u7f6e\u4e0e\u6301\u7eed\u7684\u4f18\u5316\uff0c\u5219\u662f\u6700\u5927\u5316\u5176\u4ef7\u503c\u7684\u5173\u952e\u3002\u65e0\u8bba\u662f\u4e2a\u4eba\u7ad9\u957f\u8fd8\u662f\u5927\u578b\u4f01\u4e1a\uff0c\u5408\u7406\u90e8\u7f72\u548c\u4f18\u5316 CDN\uff0c\u90fd\u5c06\u662f\u63d0\u5347\u5176\u6570\u5b57\u5316\u4e1a\u52a1\u7ade\u4e89\u529b\u7684\u6709\u6548\u9014\u5f84\u3002<\/p>\n\n\n\n

## \u5e38\u89c1\u95ee\u9898\u89e3\u7b54
\n### CDN \u662f\u5426\u80fd\u52a0\u901f\u52d5\u614b\u7db2\u7ad9\u5167\u5bb9\uff1f<\/p>\n\n\n\n

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\u4f7f\u7528 CDN \u540e\uff0c\u7f51\u7ad9\u65e5\u5fd7\u4e2d\u7684\u8bbf\u5ba2IP\u4f1a\u53d8\u6210 CDN \u8282\u70b9IP\u5417\uff1f<\/h3>\n\n\n\n

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CDN \u7684\u7f13\u5b58\u4e0d\u66f4\u65b0\u6216\u5237\u65b0\u540e\u4e0d\u751f\u6548\uff0c\u53ef\u80fd\u662f\u4ec0\u4e48\u539f\u56e0\uff1f<\/h3>\n\n\n\n

\u9019\u662f\u4e00\u500b\u5e38\u898b\u554f\u984c\uff0c\u539f\u56e0\u53ef\u80fd\u662f\u591a\u65b9\u9762\u7684\u3002\u9996\u5148\uff0c\u6aa2\u67e5 CDN \u914d\u7f6e\u7684\u5feb\u53d6\u904e\u671f\u6642\u9593\u662f\u5426\u904e\u9577\uff0c\u5c0e\u81f4\u5728\u91cd\u65b0\u6574\u7406\u5f8c\uff0c\u7bc0\u9ede\u4ecd\u4f9d\u8cf4\u672c\u5730\u672a\u904e\u671f\u7684\u5feb\u53d6\u3002\u5176\u6b21\uff0c\u78ba\u8a8d\u91cd\u65b0\u6574\u7406\u7684\u64cd\u4f5c\u662f\u5426\u6b63\u78ba\uff08\u5982\u91cd\u65b0\u6574\u7406\u5b8c\u6574\u7684 URL\uff0c\u5305\u62ec\u5354\u5b9a\u982d\uff09\u3002\u518d\u6b21\uff0c\u700f\u89bd\u5668\u672c\u5730\u5feb\u53d6\u4e5f\u662f\u4e00\u500b\u5e72\u64fe\u56e0\u7d20\uff0c\u9700\u8981\u5728\u6e2c\u8a66\u6642\u5f37\u5236\u6e05\u9664\u700f\u89bd\u5668\u5feb\u53d6\u6216\u958b\u555f\u7121\u75d5\u6a21\u5f0f\u3002\u6700\u5f8c\uff0cCDN \u7684\u91cd\u65b0\u6574\u7406\u64cd\u4f5c\u4e26\u975e\u77ac\u6642\u5168\u7403\u751f\u6548\uff0c\u5b58\u5728\u4e00\u5b9a\u7684\u50b3\u64ad\u5ef6\u9072\uff0c\u901a\u5e38\u5728\u5e7e\u5206\u9418\u5167\u5b8c\u6210\uff0c\u4f46\u53d6\u6c7a\u65bc CDN \u5ee0\u5546\u7684\u7bc0\u9ede\u540c\u6b65\u6a5f\u5236\u3002<\/p>\n\n\n\n

\u4e00\u4e2a\u7f51\u7ad9\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528\u591a\u5bb6 CDN \u670d\u52a1\u5546\u5417\uff1f<\/h3>\n\n\n\n

\u53ef\u4ee5\uff0c\u8fd9\u79cd\u65b9\u6848\u88ab\u79f0\u4e3a\u201c\u591a CDN\u201d\u6216\u201c\u6df7\u5408 CDN\u201d\u3002\u901a\u5e38\u6709\u4e24\u79cd\u5b9e\u73b0\u65b9\u5f0f\uff1a\u4e00\u79cd\u662f\u5728\u4e0d\u540c\u5730\u533a\u6216\u4e3a\u4e0d\u540c\u4e1a\u52a1\u6a21\u5757\u4f7f\u7528\u4e0d\u540c\u7684 CDN\uff08\u5982\u56fd\u5185\u7528\u4e00\u5bb6\uff0c\u6d77\u5916\u7528\u53e6\u4e00\u5bb6\uff09\uff1b\u53e6\u4e00\u79cd\u662f\u901a\u8fc7\u667a\u80fd DNS \u6216\u7b2c\u4e09\u65b9\u591a CDN \u7ba1\u7406\u5e73\u53f0\uff0c\u6839\u636e\u5b9e\u65f6\u76d1\u63a7\u7684\u6027\u80fd\u6570\u636e\uff0c\u5c06\u7528\u6237\u6d41\u91cf\u52a8\u6001\u8c03\u5ea6\u5230\u6700\u4f18\u7684 CDN \u7f51\u7edc\u4e0a\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u63d0\u5347\u5197\u4f59\u6027\u548c\u6574\u4f53\u53ef\u7528\u6027\uff0c\u907f\u514d\u5355\u4e00\u5382\u5546\u6545\u969c\u5bfc\u81f4\u4e1a\u52a1\u4e2d\u65ad\uff0c\u5e76\u80fd\u7efc\u5408\u5404\u5bb6\u4f18\u52bf\uff0c\u4f46\u90e8\u7f72\u548c\u7ba1\u7406\u7684\u590d\u6742\u5ea6\u53ca\u6210\u672c\u4e5f\u4f1a\u76f8\u5e94\u589e\u52a0\u3002<\/p>","protected":false},"excerpt":{"rendered":"

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