{"id":210425,"date":"2025-10-29T14:08:10","date_gmt":"2025-10-29T06:08:10","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210425\/"},"modified":"2025-10-29T14:08:11","modified_gmt":"2025-10-29T06:08:11","slug":"cdn-402","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210425\/","title":{"rendered":"CDN 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\u7f13\u5b58\u539f\u7406\u4e0e\u5173\u952e\u6982\u5ff5<\/h2>\n<p>\u7406\u89e3\u7f13\u5b58\u673a\u5236\u662f\u5236\u5b9a\u7b56\u7565\u7684\u524d\u63d0\u3002\u4e3b\u8981\u6d89\u53ca\u4ee5\u4e0b\u5173\u952e\u6982\u5ff5\uff1a<\/p>\n<ul>\n<li><strong>\u7f13\u5b58\u5c42\u6b21\uff08Edge \/ Regional \/ Origin\uff09<\/strong>\uff1aCDN \u901a\u5e38\u5728\u8fb9\u7f18\u8282\u70b9\uff08edge\uff09\u7f13\u5b58\u9759\u6001\u8d44\u6e90\uff0c\u533a\u57df\u8282\u70b9\u505a\u4e8c\u7ea7\u7f13\u5b58\uff0c\u6e90\u7ad9\uff08origin\uff09\u4f5c\u4e3a\u6700\u7ec8\u6765\u6e90\u3002\u5408\u7406\u5229\u7528\u591a\u5c42\u7f13\u5b58\u53ef\u51cf\u5c11\u8de8\u533a\u57df\u56de\u6e90\u9891\u6b21\u3002<\/li>\n<li><strong>Cache-Control \u4e0e TTL<\/strong>\uff1a\u901a\u8fc7 HTTP \u5934\u90e8\u7684 Cache-Control \u6307\u4ee4\uff08max-age\u3001public\u3001private\u3001no-cache\u3001no-store\uff09\u8bbe\u7f6e\u8d44\u6e90\u5728\u8fb9\u7f18\u8282\u70b9\u7684\u751f\u5b58\u65f6\u95f4\uff08TTL\uff09\u3002<\/li>\n<li><strong>\u6761\u4ef6\u8bf7\u6c42\u4e0e\u534f\u5546\u7f13\u5b58<\/strong>\uff1aETag \u4e0e Last-Modified \u652f\u6301\u534f\u5546\u7f13\u5b58\uff0c\u8fb9\u7f18\u5728\u6821\u9a8c\u540e\u53ef\u8fd4\u56de 304 \u51cf\u5c11\u4f20\u8f93\u5e26\u5bbd\u3002<\/li>\n<li><strong>\u7f13\u5b58\u952e\uff08Cache Key\uff09<\/strong>\uff1a\u51b3\u5b9a\u54ea\u4e9b\u8bf7\u6c42\u88ab\u89c6\u4e3a\u76f8\u540c\u8d44\u6e90\u3002\u9ed8\u8ba4\u901a\u5e38\u57fa\u4e8e URL\uff08\u5305\u542b query string\uff09\uff0c\u4f46\u53ef\u6269\u5c55\u4e3a\u5305\u542b\u8bf7\u6c42\u5934\u3001Cookie\u3001Host\u3001\u534f\u8bae\u7b49\u3002<\/li>\n<li><strong>\u5931\u6548\u7b56\u7565\uff08Purge \/ Invalidate \/ Stale\uff09<\/strong>\uff1a\u5373\u65f6\u6e05\u9664\u3001\u5ef6\u8fdf\u5931\u6548\u6216\u4f7f\u7528 stale-while-revalidate\u3001stale-if-error \u6765\u63d0\u9ad8\u53ef\u7528\u6027\u548c\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<h3>\u7f13\u5b58\u952e\u4e0e\u8bf7\u6c42\u5f52\u4e00\u5316<\/h3>\n<p>\u7f13\u5b58\u952e\u662f\u5f71\u54cd\u7f13\u5b58\u547d\u4e2d\u7387\u7684\u6838\u5fc3\u3002\u5e38\u89c1\u505a\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u89c4\u8303\u5316 URL\uff1a\u7edf\u4e00\u5927\u5c0f\u5199\u3001\u53bb\u6389\u65e0\u5173\u53c2\u6570\u3001\u6392\u5e8f query string\u3002<\/li>\n<li>\u9009\u62e9\u6027\u5305\u542b\u8bf7\u6c42\u5934\uff1a\u4ec5\u5c06\u5173\u952e\u5934\uff08\u5982 Accept-Encoding\u3001User-Agent \u7684\u4e00\u5c0f\u6bb5\uff09\u7eb3\u5165\u7f13\u5b58\u952e\u3002<\/li>\n<li>Cookie \u7b56\u7565\uff1a\u5bf9\u9759\u6001\u8d44\u6e90\u5c3d\u53ef\u80fd\u8bbe\u7f6e\u65e0 Cookie\uff0c\u5e26 Cookie \u7684\u8bf7\u6c42\u4e00\u822c\u4e0d\u7f13\u5b58\u6216\u4f7f\u7528\u81ea\u5b9a\u4e49\u903b\u8f91\u5206\u6d41\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u6218\u7f13\u5b58\u7b56\u7565\u4e0e\u914d\u7f6e\u5efa\u8bae<\/h2>\n<p>\u4e0b\u9762\u7ed9\u51fa\u53ef\u76f4\u63a5\u5e94\u7528\u4e8e\u751f\u4ea7\u73af\u5883\u7684\u7b56\u7565\uff0c\u9002\u7528\u4e8e\u6258\u7ba1\u5728\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u4f7f\u7528\u9999\u6e2fVPS\uff0c\u7f8e\u56fdVPS \u7b49\u6df7\u5408\u67b6\u6784\u7684\u7ad9\u70b9\u3002<\/p>\n<h3>1. \u9759\u6001\u8d44\u6e90\u5f3a\u7f13\u5b58 + \u957f TTL<\/h3>\n<p>\u5bf9 CSS\u3001JS\u3001\u5b57\u4f53\u3001\u56fe\u7247\u7b49\u9759\u6001\u8d44\u6e90\u4f7f\u7528\u8f83\u957f\u7684 TTL\uff08\u6bd4\u5982 7 \u5929\u5230 1 \u5e74\uff09\uff0c\u5e76\u91c7\u7528\u6587\u4ef6\u540d\u6307\u7eb9\uff08hash\uff09\u6216\u5e26\u7248\u672c\u53f7\u7684\u8def\u5f84\u8fdb\u884c\u7f13\u5b58\u4e0e\u66f4\u65b0\uff08cache busting\uff09\u3002\u8fd9\u6837\u53ef\u4ee5\u8ba9\u8fb9\u7f18\u8282\u70b9\u957f\u671f\u7f13\u5b58\uff0c\u51cf\u5c11\u8bf7\u6c42\u5230\u6e90\u7ad9\u3002<\/p>\n<h3>2. \u52a8\u6001\u5185\u5bb9\u4e0e\u8fb9\u7f18\u7f13\u5b58\u7ed3\u5408<\/h3>\n<p>\u5bf9\u4e8e\u9700\u8981\u9891\u7e41\u66f4\u65b0\u4f46\u53ef\u5bb9\u5fcd\u77ed\u65f6\u8fc7\u671f\u7684\u5185\u5bb9\uff08\u5982\u65b0\u95fb\u6458\u8981\u3001\u6392\u884c\u699c\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528 <strong>stale-while-revalidate<\/strong>\uff1a\u8fb9\u7f18\u8fd4\u56de\u8fc7\u671f\u5185\u5bb9\u7ed9\u7528\u6237\u7684\u540c\u65f6\u5f02\u6b65\u56de\u6e90\u5237\u65b0\u7f13\u5b58\u3002\u5bf9\u4e8e\u5173\u952e\u4e1a\u52a1\u9875\u9762\u5219\u4f7f\u7528\u77ed TTL + ETag \u7684\u534f\u5546\u7f13\u5b58\u3002<\/p>\n<h3>3. \u6309\u5730\u57df\u4e0e\u4e1a\u52a1\u5206\u5c42\u7f13\u5b58<\/h3>\n<p>\u6839\u636e\u7528\u6237\u5206\u5e03\uff08\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u3001\u5317\u7f8e\u7b49\uff09\u8bbe\u5b9a\u4e0d\u540c\u7684\u7f13\u5b58\u7b56\u7565\u3002\u4f8b\u5982\u9762\u5411\u9999\u6e2f\u4e0e\u4e1c\u5357\u4e9a\u7528\u6237\u7684\u8d44\u6e90\u53ef\u5728\u9999\u6e2f\u4e0e\u65b0\u52a0\u5761\u7684\u8fb9\u7f18\u8282\u70b9\u8bbe\u7f6e\u66f4\u957f TTL\uff0c\u800c\u9488\u5bf9\u7f8e\u56fd\u7528\u6237\u5219\u4ee5\u7f8e\u56fd\u670d\u52a1\u5668 \/ \u7f8e\u56fdVPS \u4e3a\u56de\u6e90\u76ee\u6807\uff0c\u8c03\u6574\u533a\u57df\u6027\u7f13\u5b58\u6743\u91cd\u4ee5\u4f18\u5316\u56de\u6e90\u8def\u7ebf\u3002<\/p>\n<h3>4. \u7f13\u5b58\u952e\u53bb\u566a\u4e0e Query \u53c2\u6570\u63a7\u5236<\/h3>\n<p>\u8bb8\u591a\u7b2c\u4e09\u65b9\u8ddf\u8e2a\u6216\u65e0\u5173\u53c2\u6570\u4f1a\u5bfc\u81f4\u7f13\u5b58\u788e\u7247\u5316\u3002\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u5728 CDN \u5c42\u4f7f\u7528\u53c2\u6570\u767d\u540d\u5355\u6216\u9ed1\u540d\u5355\u3002<\/li>\n<li>\u5bf9\u65e0\u5173\u53c2\u6570\u4f7f\u7528\u91cd\u5199\u6216\u5ffd\u7565\u89c4\u5219\u3002<\/li>\n<\/ul>\n<h3>5. \u8282\u70b9\u9884\u70ed\u4e0e\u4e3b\u52a8\u5237\u65b0<\/h3>\n<p>\u5bf9\u4e8e\u91cd\u5927\u53d1\u5e03\u6216\u70ed\u66f4\u65b0\uff0c\u91c7\u7528\u7f13\u5b58\u9884\u70ed\uff08warm-up\uff09\u548c\u6309\u9700 purge\u3002\u9884\u70ed\u53ef\u4ee5\u901a\u8fc7\u5e76\u53d1\u8bf7\u6c42\u5230 CDN \u8fb9\u7f18\u6765\u63d0\u524d\u586b\u5145\u7f13\u5b58\uff1b\u5f53\u5185\u5bb9\u66f4\u65b0\u65f6\uff0c\u4f7f\u7528 API \u6279\u91cf\u6e05\u7406\u76f8\u5173\u7f13\u5b58\u952e\u3002<\/p>\n<h3>6. Origin Shield \u4e0e\u56de\u6e90\u4f18\u5316<\/h3>\n<p>\u542f\u7528 Origin Shield \u6216\u6307\u5b9a\u533a\u57df\u4e2d\u7ee7\u8282\u70b9\u80fd\u628a\u5927\u91cf\u56de\u6e90\u8bf7\u6c42\u805a\u5408\u5728\u8be5\u8282\u70b9\uff0c\u51cf\u5c11\u5bf9\u6e90\u7ad9\uff08\u4f8b\u5982\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u7684\u76f4\u63a5\u538b\u529b\u3002\u914d\u5408\u8d1f\u8f7d\u5747\u8861\u548c HTTP\/2\u3001\u591a\u8def\u590d\u7528\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u8fde\u63a5\u5f00\u9500\u3002<\/p>\n<h2>\u9ad8\u7ea7\u6280\u5de7\u4e0e\u6027\u80fd\u7ec6\u8282<\/h2>\n<p>\u66f4\u8fdb\u4e00\u6b65\u7684\u4f18\u5316\u53ef\u4ee5\u7ed3\u5408\u5e95\u5c42\u534f\u8bae\u4e0e\u4f20\u8f93\u4f18\u5316\uff1a<\/p>\n<ul>\n<li><strong>\u538b\u7f29\u4e0e\u683c\u5f0f\u652f\u6301<\/strong>\uff1a\u5728\u8fb9\u7f18\u542f\u7528 Brotli \u4e0e gzip \u5e76\u6839\u636e Accept-Encoding \u8fd4\u56de\u6700\u4f18\u683c\u5f0f\u3002\u56fe\u7247\u4f7f\u7528 WebP\/AVIF \u5e76\u81ea\u52a8\u964d\u7ea7\u4ee5\u517c\u5bb9\u65e7\u8bbe\u5907\u3002<\/li>\n<li><strong>HTTP\/2 \u4e0e HTTP\/3\uff08QUIC\uff09<\/strong>\uff1a\u4f18\u5148\u4f7f\u7528\u652f\u6301 HTTP\/2\/3 \u7684 CDN \u8282\u70b9\uff0c\u53ef\u51cf\u5c11\u5ef6\u8fdf\u5e76\u63d0\u5347\u5e76\u53d1\u52a0\u8f7d\u6027\u80fd\u3002<\/li>\n<li><strong>TLS \u4f18\u5316<\/strong>\uff1a\u90e8\u7f72\u73b0\u4ee3 TLS \u914d\u7f6e\uff0c\u542f\u7528 OCSP Stapling \u4e0e\u4f1a\u8bdd\u7968\u636e\uff0c\u51cf\u5c11\u63e1\u624b\u8017\u65f6\u3002<\/li>\n<li><strong>\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u5fae\u7f13\u5b58<\/strong>\uff1a\u4f7f\u7528\u8fb9\u7f18\u811a\u672c\uff08Edge Functions\uff09\u5728\u8fb9\u7f18\u8fdb\u884c\u7b80\u5355\u7684\u7f13\u5b58\u903b\u8f91\u5224\u65ad\u3001\u4e2a\u6027\u5316\u62fc\u63a5\u6216\u964d\u7ea7\u5904\u7406\uff0c\u907f\u514d\u56de\u6e90\u3002<\/li>\n<li><strong>\u76d1\u63a7\u4e0e\u5ea6\u91cf<\/strong>\uff1a\u8ddf\u8e2a\u7f13\u5b58\u547d\u4e2d\u7387\u3001\u56de\u6e90\u7387\u300195\/99 \u767e\u5206\u4f4d\u54cd\u5e94\u65f6\u95f4\u4e0e\u5e26\u5bbd\u6210\u672c\uff0c\u57fa\u4e8e\u6570\u636e\u8fed\u4ee3\u7f13\u5b58\u89c4\u5219\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u6848\u4f8b\u8003\u8651<\/h2>\n<p>\u4ee5\u4e0b\u573a\u666f\u53ef\u5e2e\u52a9\u4f60\u9009\u7528\u5408\u9002\u7b56\u7565\uff1a<\/p>\n<h3>\u7535\u5546\u4e0e\u9ad8\u5e76\u53d1\u4fc3\u9500<\/h3>\n<ul>\n<li>\u9759\u6001\u8d44\u6e90\u957f\u671f\u7f13\u5b58\uff1b<\/li>\n<li>\u5546\u54c1\u8be6\u60c5\u77ed TTL + ETag\uff1b<\/li>\n<li>\u7ed3\u7b97\u7b49\u5173\u952e\u9875\u9762\u4e0d\u7f13\u5b58\u6216\u4ec5\u7f13\u5b58\u975e\u654f\u611f\u7247\u6bb5\uff08Fragment Caching\uff09\uff1b<\/li>\n<li>\u5728\u4fc3\u9500\u524d\u505a\u7f13\u5b58\u9884\u70ed\u5e76\u51c6\u5907\u597d\u5feb\u901f purge \u7b56\u7565\u3002<\/li>\n<\/ul>\n<h3>\u5a92\u4f53\u4e0e\u5185\u5bb9\u5206\u53d1<\/h3>\n<ul>\n<li>\u5927\u91cf\u56fe\u7247\/\u89c6\u9891\u4f7f\u7528\u5206\u7247\u4e0e CDN \u5b58\u50a8\uff0c\u7ed3\u5408\u6d41\u5f0f\u4f20\u8f93\u4e0e\u5206\u6bb5\u7f13\u5b58\uff1b<\/li>\n<li>\u5bf9\u70ed\u95e8\u5185\u5bb9\u4f7f\u7528\u66f4\u957f\u7f13\u5b58\u5e76\u7ed3\u5408\u5730\u57df\u8def\u7531\uff08\u5982\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u8282\u70b9\u505a\u5bc6\u96c6\u90e8\u7f72\uff09\u3002<\/li>\n<\/ul>\n<h3>\u4f01\u4e1a SaaS \u4e0e API \u670d\u52a1<\/h3>\n<ul>\n<li>\u5bf9\u53ef\u7f13\u5b58\u7684 API \u54cd\u5e94\u4f7f\u7528\u77ed TTL \u4e0e\u7f13\u5b58\u534f\u5546\uff1b<\/li>\n<li>\u5bf9\u591a\u79df\u6237\u7cfb\u7edf\u53ef\u4f7f\u7528\u8bf7\u6c42\u5934\u6216\u81ea\u5b9a\u4e49\u7f13\u5b58\u952e\u6765\u9694\u79bb\u7f13\u5b58\uff1b<\/li>\n<li>\u654f\u611f\u6570\u636e\u8d70\u79c1\u6709\u94fe\u8def\u5e76\u7981\u7528\u8fb9\u7f18\u7f13\u5b58\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u667a\u80fd\u7f13\u5b58 vs \u4f20\u7edf\u7f13\u5b58<\/h2>\n<p>\u667a\u80fd\u7f13\u5b58\uff08\u542b\u8fb9\u7f18\u903b\u8f91\u3001\u7f13\u5b58\u952e\u5b9a\u5236\u3001stale \u7b56\u7565\uff09\u76f8\u8f83\u4e8e\u4f20\u7edf\u9759\u6001\u7f13\u5b58\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li>\u66f4\u9ad8\u7684\u7f13\u5b58\u547d\u4e2d\u7387\uff1a\u901a\u8fc7\u53bb\u566a\u4e0e\u952e\u4f18\u5316\u51cf\u5c11\u788e\u7247\u5316\uff1b<\/li>\n<li>\u66f4\u4f4e\u7684\u56de\u6e90\u6210\u672c\uff1a\u901a\u8fc7 Origin Shield \u4e0e\u9884\u70ed\u7b56\u7565\u964d\u4f4e\u5bf9\u6e90\u7ad9\uff08\u5982\u6d77\u5916\u670d\u52a1\u5668\uff09\u7684\u8bbf\u95ee\uff1b<\/li>\n<li>\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\uff1astale-while-revalidate \u5728\u63d0\u5347\u53ef\u7528\u6027\u7684\u540c\u65f6\u4fdd\u8bc1\u5185\u5bb9\u65b0\u9c9c\u5ea6\uff1b<\/li>\n<li>\u66f4\u7075\u6d3b\u7684\u4e2a\u6027\u5316\uff1a\u8fb9\u7f18\u51fd\u6570\u5141\u8bb8\u5728\u4e0d\u56de\u6e90\u7684\u60c5\u51b5\u4e0b\u505a\u8f7b\u91cf\u4e2a\u6027\u5316\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u5982\u4f55\u57fa\u4e8e\u9700\u6c42\u9009\u62e9\u4ea7\u54c1\u4e0e\u90e8\u7f72<\/h2>\n<p>\u5728\u9009\u8d2d CDN \u4e0e\u914d\u5957\u670d\u52a1\u5668\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u3001\u6d77\u5916\u670d\u52a1\u5668\uff09\u65f6\uff0c\u5efa\u8bae\u5173\u6ce8\u4ee5\u4e0b\u8981\u70b9\uff1a<\/p>\n<ul>\n<li>\u8986\u76d6\u8282\u70b9\u4e0e\u5730\u57df\uff1a\u786e\u8ba4 CDN \u5728\u76ee\u6807\u5e02\u573a\uff08\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u3001\u7f8e\u56fd\uff09\u6709\u8db3\u591f\u5bc6\u96c6\u7684\u8282\u70b9\uff1b<\/li>\n<li>\u7f13\u5b58\u89c4\u5219\u7075\u6d3b\u6027\uff1a\u652f\u6301\u81ea\u5b9a\u4e49\u7f13\u5b58\u952e\u3001\u8bf7\u6c42\u5934\u89c4\u5219\u4e0e\u53c2\u6570\u767d\u540d\u5355\uff1b<\/li>\n<li>\u5f00\u53d1\u8005\u53cb\u597d\u7a0b\u5ea6\uff1a\u63d0\u4f9b API\u3001\u8fb9\u7f18\u51fd\u6570\u3001\u65e5\u5fd7\u4e0e\u76d1\u63a7\uff1b<\/li>\n<li>\u5b89\u5168\u4e0e\u5408\u89c4\uff1aDDoS \u9632\u62a4\u3001WAF\u3001TLS \u7ba1\u7406\u4ee5\u53ca\u5bf9\u57df\u540d\u6ce8\u518c\u4e0e\u8bc1\u4e66\u81ea\u52a8\u5316\u7684\u652f\u6301\uff1b<\/li>\n<li>\u4e0e\u73b0\u6709\u57fa\u7840\u8bbe\u65bd\u7684\u517c\u5bb9\u6027\uff1a\u82e5\u5df2\u7ecf\u4f7f\u7528\u9999\u6e2fVPS \u6216 \u7f8e\u56fdVPS\uff0c\u5e94\u786e\u8ba4\u56de\u6e90\u6027\u80fd\u4e0e\u5e26\u5bbd\u8ba1\u8d39\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u91cd\u5fc3\u5728\u4e9a\u6d32\u5e02\u573a\uff0c\u4f18\u5148\u9009\u62e9\u5728\u9999\u6e2f\u3001\u4e1c\u4eac\u3001\u9996\u5c14\u3001\u65b0\u52a0\u5761\u7b49\u5730\u6709\u5f3a\u8282\u70b9\u5e03\u7f6e\u7684 CDN\uff1b\u82e5\u9762\u5411\u5317\u7f8e\u7528\u6237\uff0c\u5219\u9700\u8981\u5f3a\u5316\u7f8e\u56fd\u8282\u70b9\u5e76\u4f18\u5316\u5230\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS \u7684\u56de\u6e90\u8def\u5f84\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5236\u5b9a\u5e76\u5b9e\u65bd\u4e00\u5957\u79d1\u5b66\u7684 CDN \u667a\u80fd\u7f13\u5b58\u7b56\u7565\u662f\u63d0\u5347\u6027\u80fd\u3001\u964d\u4f4e\u6210\u672c\u548c\u4fdd\u969c\u53ef\u7528\u6027\u7684\u5173\u952e\u3002\u901a\u8fc7\u5408\u7406\u8bbe\u7f6e Cache-Control\u3001\u7f13\u5b58\u952e\u5f52\u4e00\u5316\u3001\u4f7f\u7528 stale \u7b56\u7565\u3001\u7ed3\u5408 Origin Shield \u4e0e\u8fb9\u7f18\u8ba1\u7b97\uff0c\u4f60\u53ef\u4ee5\u5728\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u7b49\u76ee\u6807\u5e02\u573a\u5b9e\u73b0\u66f4\u7a33\u5b9a\u7684\u8bbf\u95ee\u4f53\u9a8c\u3002\u5bf9\u4e8e\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u548c\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u5173\u6ce8\u7f13\u5b58\u547d\u4e2d\u7387\u3001\u56de\u6e90\u7387\u4e0e\u5730\u57df\u5206\u5e03\uff0c\u5e76\u9488\u5bf9\u4e0d\u540c\u4e1a\u52a1\u573a\u666f\u5236\u5b9a\u5206\u5c42\u7b56\u7565\uff0c\u5c06\u5e2e\u52a9\u4f60\u628a CDN \u7684\u4ef7\u503c\u6700\u5927\u5316\u3002<\/p>\n<p>\u82e5\u9700\u90e8\u7f72\u6216\u5347\u7ea7\u57fa\u7840\u8bbe\u65bd\uff0c\u53ef\u4ee5\u53c2\u8003 Server.HK \u7684\u76f8\u5173\u4ea7\u54c1\u4e0e\u670d\u52a1\uff0c\u4f8b\u5982\u9999\u6e2f\u670d\u52a1\u5668\u8be6\u60c5\u8bf7\u89c1 <a href=\"https:\/\/server.hk\/server.php\" target=\"_blank\" rel=\"noopener\">\u9999\u6e2f\u670d\u52a1\u5668<\/a> 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