{"id":209589,"date":"2025-10-23T18:21:02","date_gmt":"2025-10-23T10:21:02","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209589\/"},"modified":"2025-10-23T18:21:03","modified_gmt":"2025-10-23T10:21:03","slug":"cdn-51","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209589\/","title":{"rendered":"CDN\u52a9\u529b\u79fb\u52a8\u7aef\uff1a\u5168\u9762\u63d0\u5347\u8bbf\u95ee\u901f\u5ea6\u3001\u7a33\u5b9a\u6027\u4e0e\u7528\u6237\u4f53\u9a8c"},"content":{"rendered":"<p>\u968f\u7740\u79fb\u52a8\u8bbe\u5907\u6210\u4e3a\u4e92\u8054\u7f51\u6d41\u91cf\u7684\u4e3b\u529b\uff0c\u7ad9\u957f\u4e0e\u4f01\u4e1a\u5fc5\u987b\u4f18\u5316\u7f51\u7ad9\u5728\u624b\u673a\u548c\u5e73\u677f\u4e0a\u7684\u8bbf\u95ee\u901f\u5ea6\u4e0e\u7a33\u5b9a\u6027\u3002CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u4f5c\u4e3a\u52a0\u901f\u548c\u53ef\u9760\u6027\u63d0\u5347\u7684\u5173\u952e\u6280\u672f\uff0c\u5bf9\u79fb\u52a8\u7aef\u4f53\u9a8c\u6709\u7740\u76f4\u63a5\u4e14\u663e\u8457\u7684\u5f71\u54cd\u3002\u672c\u6587\u4ece\u539f\u7406\u3001\u79fb\u52a8\u7aef\u573a\u666f\u3001\u4e0e\u4f20\u7edf\u81ea\u5efa\u670d\u52a1\u5668\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u7b49\uff09\u7684\u4f18\u52bf\u5bf9\u6bd4\u4ee5\u53ca\u9009\u8d2d\u5efa\u8bae\u51fa\u53d1\uff0c\u63d0\u4f9b\u6280\u672f\u7ec6\u8282\u4e0e\u5b9e\u6218\u6307\u5bfc\uff0c\u65e8\u5728\u5e2e\u52a9\u5f00\u53d1\u8005\u4e0e\u8fd0\u7ef4\u51b3\u7b56\u8005\u4e3a\u79fb\u52a8\u7528\u6237\u6253\u9020\u66f4\u6d41\u7545\u7684\u8bbf\u95ee\u4f53\u9a8c\u3002<\/p>\n<h2>CDN \u5728\u79fb\u52a8\u7aef\u52a0\u901f\u7684\u6838\u5fc3\u539f\u7406<\/h2>\n<p>CDN \u7684\u6838\u5fc3\u76ee\u6807\u662f\u7f29\u77ed\u7528\u6237\u548c\u5185\u5bb9\u6e90\uff08origin\uff09\u4e4b\u95f4\u7684\u7f51\u7edc\u8ddd\u79bb\u3001\u964d\u4f4e\u4e0d\u7a33\u5b9a\u56e0\u7d20\u5bf9\u8fde\u63a5\u7684\u5f71\u54cd\uff0c\u5e76\u901a\u8fc7\u8fb9\u7f18\u8ba1\u7b97\u80fd\u529b\u51cf\u8f7b\u6e90\u7ad9\u538b\u529b\u3002\u4ee5\u4e0b\u4e3a\u5173\u952e\u6280\u672f\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u5e03\u5f0f\u8282\u70b9\uff08POPs\uff09\u4e0e Anycast \u8def\u7531\uff1a<\/strong>CDN \u5728\u5168\u7403\u6216\u533a\u57df\u5185\u90e8\u7f72\u5927\u91cf POP\uff08\u70b9\u4f4d\uff09\uff0c\u4f7f\u7528 Anycast \u5c06\u7528\u6237\u8bf7\u6c42\u8def\u7531\u5230\u6700\u8fd1\u4e14\u5065\u5eb7\u7684\u8282\u70b9\uff0c\u4ece\u800c\u51cf\u5c11 RTT\uff08\u5f80\u8fd4\u65f6\u5ef6\uff09\uff0c\u5bf9\u79fb\u52a8\u7aef 3G\/4G\/5G \u73af\u5883\u4e0b\u7684\u9ad8\u5ef6\u8fdf\u7f51\u7edc\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n<li><strong>\u7f13\u5b58\u7b56\u7565\u4e0e\u7f13\u5b58\u5c42\u7ea7\uff1a<\/strong>\u9759\u6001\u8d44\u6e90\uff08\u5982 JS\u3001CSS\u3001\u56fe\u7247\u3001\u89c6\u9891\uff09\u901a\u8fc7\u5408\u7406\u8bbe\u7f6e Cache-Control\u3001ETag \u4e0e Expires \u5934\u5728\u8fb9\u7f18\u7f13\u5b58\uff0c\u7ed3\u5408\u5c42\u7ea7\u7f13\u5b58\uff08edge cache + origin shield\uff09\u964d\u4f4e\u547d\u4e2d\u5931\u8d25\u6b21\u6570\u3002\u5bf9\u79fb\u52a8\u7aef\u5efa\u8bae\u4f7f\u7528\u8f83\u77ed\u7684 TTL \u914d\u5408 <code>stale-while-revalidate<\/code> \u6216 <code>stale-if-error<\/code>\uff0c\u65e2\u4fdd\u8bc1\u5185\u5bb9\u65b0\u9c9c\u53c8\u63d0\u5347\u53ef\u7528\u6027\u3002<\/li>\n<li><strong>\u534f\u8bae\u4f18\u5316\uff08HTTP\/2\u3001HTTP\/3\/QUIC\uff09\uff1a<\/strong>HTTP\/2 \u7684\u591a\u8def\u590d\u7528\u4e0e\u5934\u90e8\u538b\u7f29\u80fd\u663e\u8457\u964d\u4f4e\u79fb\u52a8\u7f51\u7edc\u7684\u8bf7\u6c42\u5f00\u9500\uff1bHTTP\/3 \u57fa\u4e8e QUIC \u7684 UDP \u4f20\u8f93\u5728\u4e22\u5305\u73af\u5883\u4e0b\u80fd\u66f4\u5feb\u6062\u590d\uff0c\u4f7f\u9996\u5305\u4ea4\u4ed8\uff08TTFB\uff09\u7a33\u5b9a\u6027\u63d0\u5347\u3002<\/li>\n<li><strong>TLS \u4e0e\u5b89\u5168\u52a0\u901f\uff1a<\/strong>\u8fb9\u7f18\u8282\u70b9\u652f\u6301 TLS \u5378\u8f7d\u3001OCSP stapling \u4e0e\u4f1a\u8bdd\u6062\u590d\uff08session resumption\uff09\u53ef\u51cf\u5c11\u63e1\u624b\u5ef6\u65f6\u3002\u79fb\u52a8\u7aef\u7ecf\u5e38\u5efa\u7acb\u77ed\u8fde\u63a5\uff0c\u542f\u7528 TLS 0-RTT\uff08\u4e0e\u6ce8\u610f\u5b89\u5168\u6743\u8861\uff09\u80fd\u8fdb\u4e00\u6b65\u63d0\u5347\u4f53\u9a8c\u3002<\/li>\n<li><strong>\u4f20\u8f93\u5c42\u4f18\u5316\uff1a<\/strong>TCP Fast Open\u3001\u7a97\u53e3\u7f29\u653e\u3001\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff08\u5982 BBR\uff09\u4ee5\u53ca keep-alive \u53ef\u51cf\u5c11\u6162\u542f\u52a8\u5e26\u6765\u7684\u541e\u5410\u635f\u5931\uff0c\u5728\u5e26\u5bbd\u53d7\u9650\u7684\u79fb\u52a8\u94fe\u8def\u4e0a\u663e\u8457\u63d0\u9ad8\u4f20\u8f93\u6548\u7387\u3002<\/li>\n<li><strong>\u56fe\u50cf\u4e0e\u5a92\u4f53\u667a\u80fd\u4f18\u5316\uff1a<\/strong>\u4f7f\u7528\u8fb9\u7f18\u56fe\u50cf\u5904\u7406\uff08\u683c\u5f0f\u8f6c\u6362\u4e3a WebP\/AVIF\u3001\u8d28\u91cf\u63a7\u5236\u3001\u5206\u8fa8\u7387\u9002\u914d\uff09\u548c\u81ea\u9002\u5e94\u7801\u7387\uff08ABR\uff09\u80fd\u964d\u4f4e\u6d41\u91cf\u5e76\u63d0\u5347\u9996\u5c4f\u52a0\u8f7d\u901f\u5ea6\uff0c\u914d\u5408\u5ba2\u6237\u7aef hint\uff08\u5982 DPR\u3001Viewport-Width\uff09\u5b9e\u73b0\u6309\u9700\u4e0b\u53d1\u3002<\/li>\n<\/ul>\n<h2>\u79fb\u52a8\u7aef\u5e94\u7528\u573a\u666f\u4e0e\u6280\u672f\u5b9e\u8df5<\/h2>\n<p>\u4e0b\u9762\u5217\u4e3e\u5178\u578b\u79fb\u52a8\u7aef\u573a\u666f\uff0c\u5e76\u7ed9\u51fa\u53ef\u5b9e\u65bd\u7684 CDN \u65b9\u6848\uff1a<\/p>\n<h3>1. \u5185\u5bb9\u578b\u7f51\u7ad9\u4e0e\u65b0\u95fb\u5ba2\u6237\u7aef<\/h3>\n<ul>\n<li>\u7279\u70b9\uff1a\u5927\u91cf\u9759\u6001\u8d44\u6e90\u548c\u9891\u7e41\u66f4\u65b0\u7684\u6587\u7ae0\u3001\u56fe\u7247\u3002<\/li>\n<li>\u5b9e\u8df5\uff1a\u5c06\u56fe\u7247\u4e0e\u9759\u6001\u8d44\u6e90\u653e\u5230 CDN\uff0c\u542f\u7528\u538b\u7f29\uff08Gzip\/Brotli\uff09\u548c\u8fb9\u7f18\u56fe\u7247\u8f6c\u6362\u3002\u914d\u5408\u957f\u7f13\u5b58\u7b56\u7565\u5e76\u5728\u53d1\u5e03\u65f6\u89e6\u53d1 <strong>\u589e\u91cf\u5237\u65b0\/\u63a8\u9001\u578b\u7f13\u5b58\u66f4\u65b0<\/strong>\uff08Push CDN \u6216 Purge API\uff09\u786e\u4fdd\u65b0\u5185\u5bb9\u53ca\u65f6\u53ef\u89c1\u3002<\/li>\n<\/ul>\n<h3>2. \u7535\u5546\u4e0e\u9ad8\u5e76\u53d1\u6d3b\u52a8\u9875\u9762<\/h3>\n<ul>\n<li>\u7279\u70b9\uff1a\u77ac\u65f6\u6d41\u91cf\u9ad8\u5cf0\u3001\u52a8\u6001\u4e2a\u6027\u5316\u5185\u5bb9\u3002<\/li>\n<li>\u5b9e\u8df5\uff1a\u9759\u6001\u8d44\u6e90\u8d70\u8fb9\u7f18\u7f13\u5b58\uff0c\u52a8\u6001\u63a5\u53e3\u91c7\u7528\u52a8\u6001\u52a0\u901f\uff08\u667a\u80fd\u8def\u7531\uff09\u3001TCP \u4f18\u5316\u4e0e Origin Shield \u51cf\u5c11\u6e90\u7ad9\u5e76\u53d1\u3002\u4f7f\u7528\u8fb9\u7f18\u7f13\u5b58 + ESI\uff08Edge Side Includes\uff09\u6216\u8fb9\u7f18\u51fd\u6570\u5b9e\u73b0\u90e8\u5206\u7f13\u5b58\uff0c\u63d0\u9ad8\u547d\u4e2d\u7387\u540c\u65f6\u4fdd\u6301\u4e2a\u6027\u5316\u3002<\/li>\n<\/ul>\n<h3>3. \u89c6\u9891\u4e0e\u6d41\u5a92\u4f53<\/h3>\n<ul>\n<li>\u7279\u70b9\uff1a\u5bf9\u5e26\u5bbd\u4e0e\u8fde\u8d2f\u6027\u654f\u611f\uff0c\u79fb\u52a8\u7f51\u7edc\u6ce2\u52a8\u5927\u3002<\/li>\n<li>\u5b9e\u8df5\uff1a\u90e8\u7f72\u5728\u79bb\u7528\u6237\u66f4\u8fd1\u7684 POP\uff0c\u4f7f\u7528 ABR\uff08HLS\/DASH\uff09+ \u8fb9\u7f18\u7f13\u5b58\u5e76\u914d\u5408 CDN \u7684\u5206\u7247\u9884\u70ed\u4e0e\u7f13\u5b58\u7b56\u7565\uff0c\u542f\u7528 QUIC\/HTTP3 \u53ef\u51cf\u5c11\u64ad\u653e\u5361\u987f\u3002\u5efa\u8bae\u652f\u6301 Range \u8bf7\u6c42\u4e0e\u8fb9\u7f18\u5206\u7247\u7f13\u5b58\u3002<\/li>\n<\/ul>\n<h3>4. \u5355\u9875\u5e94\u7528\uff08SPA\uff09\u4e0e API \u52a0\u901f<\/h3>\n<ul>\n<li>\u7279\u70b9\uff1a\u5927\u91cf\u5c0f\u8bf7\u6c42\u3001\u9996\u5c4f\u4e0e\u8def\u7531\u5207\u6362\u5f71\u54cd\u660e\u663e\u3002<\/li>\n<li>\u5b9e\u8df5\uff1a\u9759\u6001\u8d44\u4ea7\u901a\u8fc7 CDN\uff0c\u9ad8\u4f18\u5148\u7ea7 API \u4f7f\u7528\u6301\u4e45\u8fde\u63a5\u4e0e HTTP\/2\uff1b\u5bf9 API \u53ef\u4f7f\u7528\u667a\u80fd\u7f13\u5b58\u3001\u7f13\u5b58\u952e\uff08\u542b Query\u3001Header\uff09\u3001\u5e76\u907f\u514d\u7f13\u5b58\u654f\u611f Cookie\u3002\u542f\u7528 Gzip\/Brotli \u5e76\u4fdd\u8bc1\u8d44\u6e90\u538b\u7f29\u5bf9\u79fb\u52a8\u7aef\u53cb\u597d\u3002<\/li>\n<\/ul>\n<h2>CDN \u4e0e\u81ea\u6709\u670d\u52a1\u5668\uff08\u9999\u6e2f\u670d\u52a1\u5668\/\u7f8e\u56fd\u670d\u52a1\u5668\/\u9999\u6e2fVPS \u7b49\uff09\u7684\u4f18\u52bf\u5bf9\u6bd4<\/h2>\n<p>\u5f88\u591a\u4f01\u4e1a\u5728\u8003\u8651\u662f\u5426\u90e8\u7f72 CDN \u65f6\u4f1a\u4e0e\u5347\u7ea7\u81ea\u6709\u670d\u52a1\u5668\uff08\u4f8b\u5982\u8d2d\u4e70\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216 VPS\uff09\u505a\u6743\u8861\u3002\u4ee5\u4e0b\u4e3a\u51e0\u70b9\u6bd4\u8f83\uff1a<\/p>\n<ul>\n<li><strong>\u5730\u7406\u8986\u76d6\u4e0e\u5ef6\u65f6\uff1a<\/strong>\u5355\u70b9\u670d\u52a1\u5668\uff08\u65e0\u8bba\u662f\u9999\u6e2f\u670d\u52a1\u5668\u8fd8\u662f\u7f8e\u56fd VPS\uff09\u5728\u5f53\u5730\u8bbf\u95ee\u901f\u5ea6\u826f\u597d\uff0c\u4f46\u9762\u5bf9\u8de8\u533a\u57df\u3001\u8de8\u56fd\u8bbf\u95ee\u65f6 RTT \u589e\u957f\u660e\u663e\u3002CDN \u901a\u8fc7\u591a\u8282\u70b9\u8986\u76d6\u5728\u5168\u7403\u6216\u76ee\u6807\u533a\u57df\u5206\u53d1\u5185\u5bb9\uff0c\u80fd\u591f\u5728\u7528\u6237\u5730\u7406\u4e0a\u9760\u8fd1\u7684\u8282\u70b9\u54cd\u5e94\u8bf7\u6c42\uff0c\u663e\u8457\u964d\u4f4e\u5ef6\u65f6\u3002<\/li>\n<li><strong>\u5e76\u53d1\u80fd\u529b\u4e0e\u6297\u7a81\u53d1\u6d41\u91cf\uff1a<\/strong>\u5347\u7ea7\u5355\u53f0\u6216\u96c6\u7fa4\u670d\u52a1\u5668\u53ef\u4ee5\u63d0\u9ad8\u627f\u8f7d\u80fd\u529b\uff0c\u4f46\u5904\u7406\u6d41\u91cf\u6fc0\u589e\u7684\u6210\u672c\u9ad8\u4e14\u6269\u5bb9\u6ede\u540e\u3002CDN \u5929\u7136\u5177\u5907\u5438\u5cf0\u80fd\u529b\uff0c\u8fb9\u7f18\u7f13\u5b58\u80fd\u5728\u6d41\u91cf\u7a81\u589e\u65f6\u5206\u62c5\u6e90\u7ad9\u538b\u529b\u3002<\/li>\n<li><strong>\u5e26\u5bbd\u6210\u672c\uff1a<\/strong>\u6301\u7eed\u7684\u5927\u6d41\u91cf\u8f93\u51fa\u5bf9\u6e90\u7ad9\u5e26\u5bbd\u4ea7\u751f\u6301\u7eed\u8d39\u7528\uff0c\u4f7f\u7528 CDN \u53ef\u5c06\u5927\u91cf\u51fa\u53e3\u6d41\u91cf\u8f6c\u79fb\u5230 CDN \u63d0\u4f9b\u5546\u7684\u7f51\u7edc\uff0c\u901a\u5e38\u5e26\u5bbd\u6210\u672c\u66f4\u53ef\u63a7\u3002<\/li>\n<li><strong>\u5b89\u5168\u4e0e\u7a33\u5b9a\u6027\uff1a<\/strong>\u73b0\u4ee3 CDN \u96c6\u6210 DDoS \u7f13\u89e3\u3001WAF\u3001Bot \u7ba1\u7406\u7b49\u529f\u80fd\uff0c\u80fd\u5728\u8fb9\u7f18\u5c42\u9762\u6321\u4f4f\u6076\u610f\u6d41\u91cf\uff0c\u4fdd\u62a4\u540e\u7aef\u670d\u52a1\u5668\uff08\u65e0\u8bba\u662f\u9999\u6e2f\u670d\u52a1\u5668\u8fd8\u662f\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u7b49\uff09\u3002<\/li>\n<li><strong>\u79fb\u52a8\u7f51\u7edc\u9002\u914d\uff1a<\/strong>CDN \u5728\u8fb9\u7f18\u5b9e\u73b0\u534f\u8bae\u548c\u5a92\u4f53\u4f18\u5316\uff08HTTP\/2\u3001HTTP\/3\u3001\u56fe\u7247\u8f6c\u6362\u3001\u5206\u8fa8\u7387\u9002\u914d\uff09\uff0c\u8fd9\u662f\u5355\u7eaf\u9760\u670d\u52a1\u5668\u914d\u7f6e\u96be\u4ee5\u5b9e\u73b0\u7684\u3002\u5bf9\u4e8e\u9762\u5411\u4e9a\u6d32\u7528\u6237\u7684\u670d\u52a1\uff0c\u7ed3\u5408\u9999\u6e2fVPS \u4e0e\u533a\u57df CDN \u80fd\u83b7\u5f97\u66f4\u4f73\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<h2>\u4e3a\u79fb\u52a8\u7aef\u9009\u62e9 CDN \u7684\u5b9e\u7528\u5efa\u8bae<\/h2>\n<p>\u9009\u62e9 CDN \u65f6\u9700\u8003\u8651\u4e1a\u52a1\u9700\u6c42\u3001\u76ee\u6807\u7528\u6237\u5730\u57df\uff08\u5982\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u6216\u7f8e\u6d32\uff09\u4ee5\u53ca\u6280\u672f\u652f\u6301\u80fd\u529b\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u6790\u7528\u6237\u5206\u5e03\uff1a<\/strong>\u4f18\u5148\u8003\u8651 CDN \u5728\u76ee\u6807\u5e02\u573a\u7684 POP \u8986\u76d6\u3002\u5982\u679c\u76ee\u6807\u7528\u6237\u96c6\u4e2d\u5728\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u6216\u65b0\u52a0\u5761\uff0c\u9700\u786e\u4fdd\u8fd9\u4e9b\u5730\u533a\u6709\u4f4e\u5ef6\u8fdf\u8282\u70b9\uff1b\u82e5\u9762\u5411\u5317\u7f8e\u7528\u6237\uff0c\u5219\u5173\u6ce8\u7f8e\u56fd\u670d\u52a1\u5668\u4e0e\u7f8e\u56fd POP \u8868\u73b0\u3002<\/li>\n<li><strong>\u534f\u8bae\u4e0e\u6027\u80fd\u7279\u6027\uff1a<\/strong>\u786e\u8ba4 CDN \u652f\u6301 HTTP\/2 \u4e0e HTTP\/3\u3001QUIC\u3001TLS \u5378\u8f7d\u4e0e\u4f1a\u8bdd\u6062\u590d\u7b49\uff0c\u80fd\u5e26\u6765\u79fb\u52a8\u7aef\u660e\u663e\u6027\u80fd\u63d0\u5347\u3002<\/li>\n<li><strong>\u7f13\u5b58\u63a7\u5236\u4e0e\u5206\u5c42\u652f\u6301\uff1a<\/strong>\u9009\u62e9\u652f\u6301\u7075\u6d3b\u7f13\u5b58\u89c4\u5219\u3001\u7f13\u5b58\u952e\u81ea\u5b9a\u4e49\u3001Purge API\u3001\u9884\u70ed\uff08prefetch\/push\uff09\u529f\u80fd\u7684\u65b9\u6848\uff0c\u65b9\u4fbf\u5e94\u5bf9\u5185\u5bb9\u66f4\u65b0\u9891\u7e41\u7684\u65b0\u95fb\u6216\u7535\u5546\u7c7b\u7ad9\u70b9\u3002<\/li>\n<li><strong>\u56fe\u50cf\u4e0e\u5a92\u4f53\u8fb9\u7f18\u5904\u7406\uff1a<\/strong>\u82e5\u4e1a\u52a1\u4ee5\u56fe\u7247\u6216\u89c6\u9891\u4e3a\u4e3b\uff0c\u4f18\u5148\u9009\u62e9\u652f\u6301\u8fb9\u7f18\u56fe\u50cf\u4f18\u5316\u3001\u683c\u5f0f\u81ea\u52a8\u8f6c\u6362\u3001\u56fe\u50cf CDN \u4e0e\u89c6\u9891\u5206\u53d1\u4f18\u5316\uff08ABR\u3001\u5206\u7247\u7f13\u5b58\uff09\u7684\u670d\u52a1\u3002<\/li>\n<li><strong>\u5b89\u5168\u529f\u80fd\uff1a<\/strong>\u786e\u4fdd CDN \u63d0\u4f9b DDoS \u9632\u62a4\u3001WAF\u3001\u901f\u7387\u9650\u5236\u4e0e bot \u7ba1\u63a7\uff0c\u51cf\u8f7b\u540e\u7aef\uff08\u65e0\u8bba\u662f\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u6d77\u5916\u670d\u52a1\u5668\uff09\u538b\u529b\u3002<\/li>\n<li><strong>\u76d1\u63a7\u4e0e\u65e5\u5fd7\uff1a<\/strong>\u9009\u62e9\u63d0\u4f9b\u5b9e\u65f6\u6307\u6807\uff08TTFB\u3001\u7f13\u5b58\u547d\u4e2d\u7387\u3001\u5e26\u5bbd\u3001\u9519\u8bef\u7387\uff09\u548c\u8bbf\u95ee\u65e5\u5fd7\u7684\u670d\u52a1\uff0c\u4ee5\u4fbf\u4f18\u5316\u7b56\u7565\u5e76\u5feb\u901f\u5b9a\u4f4d\u79fb\u52a8\u7aef\u4f53\u9a8c\u95ee\u9898\u3002<\/li>\n<li><strong>\u4ef7\u683c\u6a21\u578b\u4e0e SLA\uff1a<\/strong>\u5173\u6ce8\u8ba1\u8d39\u65b9\u5f0f\uff08\u6309\u6d41\u91cf\u3001\u6309\u8bf7\u6c42\u3001\u6309\u533a\u57df\uff09\u3001\u7f13\u5b58\u5237\u65b0\u6210\u672c\u4e0e SLA\uff0c\u8bc4\u4f30\u5728\u7a81\u53d1\u9ad8\u5cf0\u4e0b\u7684\u6210\u672c\u627f\u53d7\u80fd\u529b\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u65bd\u7ec6\u8282\u4e0e\u4f18\u5316\u6e05\u5355\uff08\u9488\u5bf9\u79fb\u52a8\u7aef\uff09<\/h2>\n<p>\u5728\u90e8\u7f72 CDN \u540e\uff0c\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\u80fd\u786e\u4fdd\u6700\u5927\u5316\u79fb\u52a8\u7aef\u4f53\u9a8c\u6536\u76ca\uff1a<\/p>\n<ul>\n<li>\u542f\u7528 Brotli\/Gzip \u538b\u7f29\uff0c\u5e76\u5bf9\u4e0d\u540c\u8d44\u6e90\u7c7b\u578b\u8bbe\u7f6e\u5408\u9002\u7684\u7f13\u5b58\u7b56\u7565\u3002<\/li>\n<li>\u5bf9\u56fe\u7247\u4f7f\u7528\u54cd\u5e94\u5f0f\u56fe\u7247\uff08srcset\uff09\u4e0e\u8fb9\u7f18\u683c\u5f0f\u8f6c\u6362\uff08WebP\/AVIF\uff09\uff0c\u914d\u5408\u5ba2\u6237\u7aef DPR \u4e0e\u5bbd\u5ea6\u63d0\u793a\uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u50cf\u7d20\u4f20\u8f93\u3002<\/li>\n<li>\u4f7f\u7528\u8d44\u6e90\u5408\u5e76\u4e0e HTTP\/2\/3 \u591a\u8def\u590d\u7528\u51cf\u5c11\u8bf7\u6c42\u5f00\u9500\uff0c\u5408\u7406\u8bbe\u7f6e Connection keep-alive\u3002<\/li>\n<li>\u5bf9\u5173\u952e\u9996\u5c4f\u8d44\u6e90\u4f18\u5148\u52a0\u8f7d\uff08preload\u3001priority hints\uff09\uff0c\u5e76\u4f7f\u7528 lazy-load \u5ef6\u8fdf\u6b21\u8981\u56fe\u7247\u4e0e\u7b2c\u4e09\u65b9\u811a\u672c\u3002<\/li>\n<li>\u4e3a API \u7aef\u70b9\u914d\u7f6e\u5408\u9002\u7684\u7f13\u5b58\u952e\uff0c\u907f\u514d\u56e0 Cookie \u6216\u4e0d\u5fc5\u8981\u7684 Query \u53c2\u6570\u5bfc\u81f4\u7f13\u5b58\u788e\u7247\u5316\u3002<\/li>\n<li>\u5f00\u542f\u8fb9\u7f18\u65e5\u5fd7\u4e0e\u76d1\u63a7\uff0c\u5173\u6ce8\u79fb\u52a8\u7f51\u7edc\u4e0b\u7684 RTT\u3001\u4e22\u5305\u7387\u4e0e\u7f13\u5b58\u547d\u4e2d\u7387\uff0c\u5b9a\u671f\u8c03\u6574\u7b56\u7565\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u8fd9\u4e9b\u5b9e\u65bd\u7ec6\u8282\uff0c\u7ad9\u70b9\u5728\u79fb\u52a8\u7aef\u7684\u8868\u73b0\u4f1a\u5728\u611f\u77e5\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\u4e0a\u90fd\u6709\u660e\u663e\u63d0\u5347\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u9762\u5bf9\u79fb\u52a8\u4e92\u8054\u7f51\u7684\u9ad8\u5e76\u53d1\u4e0e\u7f51\u7edc\u6ce2\u52a8\uff0cCDN \u4e0d\u4ec5\u80fd\u663e\u8457\u964d\u4f4e\u5ef6\u8fdf\u3001\u63d0\u5347\u53ef\u7528\u6027\uff0c\u8fd8\u80fd\u901a\u8fc7\u8fb9\u7f18\u4f18\u5316\uff08\u534f\u8bae\u3001\u538b\u7f29\u3001\u56fe\u50cf\u5904\u7406\u7b49\uff09\u6539\u5584\u79fb\u52a8\u7528\u6237\u7684\u5b9e\u9645\u611f\u77e5\u4f53\u9a8c\u3002\u5bf9\u4e8e\u9762\u5411\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u6216\u7f8e\u56fd\u7b49\u4e0d\u540c\u533a\u57df\u7684\u670d\u52a1\uff0c\u7ed3\u5408\u5408\u9002\u7684 POP \u8986\u76d6\u4e0e\u81ea\u6709\u6216\u79df\u7528\u7684\u670d\u52a1\u5668\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u7b49\uff09\u53ef\u4ee5\u5f62\u6210\u6210\u672c\u4e0e\u6027\u80fd\u7684\u6700\u4f73\u5e73\u8861\u3002\u9009\u62e9 CDN \u65f6\u5e94\u91cd\u70b9\u8bc4\u4f30\u534f\u8bae\u652f\u6301\u3001\u8fb9\u7f18\u5904\u7406\u80fd\u529b\u3001\u7f13\u5b58\u7b56\u7565\u4e0e\u5b89\u5168\u7279\u6027\uff0c\u5e76\u7ed3\u5408\u4e1a\u52a1\u6d41\u91cf\u6a21\u578b\u4e0e SLA \u8981\u6c42\u505a\u51fa\u51b3\u7b56\u3002<\/p>\n<p>\u5982\u9700\u8fdb\u4e00\u6b65\u4e86\u89e3\u5728\u9999\u6e2f\u8282\u70b9\u90e8\u7f72\u4e0e\u6d77\u5916\u8282\u70b9\u534f\u540c\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u53ef\u4ee5\u53c2\u8003 Server.HK \u63d0\u4f9b\u7684\u4ea7\u54c1\u4e0e\u8282\u70b9\u4fe1\u606f\uff1a\u8bbf\u95ee <a href=\"https:\/\/server.hk\/\">Server.HK<\/a> \u6216\u76f4\u63a5\u67e5\u770b\u9999\u6e2f\u670d\u52a1\u5668\u4ea7\u54c1\u9875\u9762 <a href=\"https:\/\/server.hk\/server.php\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u4ee5\u4fbf\u6839\u636e\u76ee\u6807\u5e02\u573a\u9009\u62e9\u5408\u9002\u7684\u670d\u52a1\u5668\u4e0e\u52a0\u901f\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u624b\u673a\u548c\u5e73\u677f\u6d41\u91cf\u6fc0\u589e\u7684\u4eca\u5929\uff0c\u79fb\u52a8\u7aefCDN \u662f\u63d0\u5347\u52a0\u8f7d\u901f\u5ea6\u4e0e\u7a33\u5b9a\u6027\u3001\u964d\u4f4e\u6e90\u7ad9\u538b\u529b\u7684\u5173\u952e\u5229\u5668\u3002\u672c\u6587\u4ece\u539f\u7406\u3001\u5e38\u89c1\u79fb\u52a8\u573a\u666f\u5230\u4e0e\u9999\u6e2f\/\u7f8e\u56fd\u670d\u52a1\u5668\u4e0eVPS \u7684\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u5f00\u53d1\u8005\u548c\u8fd0\u7ef4\u6253\u9020\u66f4\u6d41\u7545\u7684\u79fb\u52a8\u8bbf\u95ee\u4f53\u9a8c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4928],"tags":[3116,2848,2828,3112,3113,3114,3115,1812,527],"class_list":{"0":"post-209589","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4928","7":"tag-cdnvps","8":"tag-cdn","11":"tag-3113","12":"tag-3114","13":"tag-3115","14":"tag-1812","15":"tag-527"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209589","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=209589"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209589\/revisions"}],"predecessor-version":[{"id":209590,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209589\/revisions\/209590"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}