{"id":1083,"date":"2021-11-01T05:21:00","date_gmt":"2021-10-31T21:21:00","guid":{"rendered":"https:\/\/sora.sound.moe\/?p=1083"},"modified":"2023-04-30T16:45:33","modified_gmt":"2023-04-30T16:45:33","slug":"%e7%a7%bb%e5%8a%a8%e7%ab%af-web-%e5%89%8d%e7%ab%af%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/sora.sound.moe\/?p=1083","title":{"rendered":"\u79fb\u52a8\u7aef Web \u524d\u7aef\u6027\u80fd\u4f18\u5316"},"content":{"rendered":"\n<!--more-->\n\n\n\n<p>\u8fd9\u7bc7\u6587\u7ae0\u8bd5\u56fe\u6574\u7406\u6240\u6709\u53ef\u80fd\u7684\u79fb\u52a8\u7aefWeb\u524d\u7aef\u6027\u80fd\u4f18\u5316\u624b\u6bb5\u3002\u8fd9\u91cc\u6307\u7684\u6027\u80fd\uff0c\u7279\u6307\u6253\u5f00\u901f\u5ea6\uff0c\u5176\u5173\u952e\u6307\u6807\u4e3a\u9996\u6b21\u53ef\u4ea4\u4e92\u65f6\u95f4\u3001\u9996\u5c4f\u65e0\u56fe\u65f6\u95f4\u7b49\u3002<\/p>\n\n\n\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-5531c2e3    \"\n\t\t\t\t\tdata-scroll= \"1\"\n\t\t\t\t\tdata-offset= \"30\"\n\t\t\t\t>\n\t\t\t\t<div class=\"uagb-toc__wrap\">\n\t\t\t\t\t\t<div class=\"uagb-toc__title\">\n\t\t\t\t\t\t\tTable Of Contents\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-toc__list-wrap\">\n\t\t\t\t\t\t<ol class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d972\">\u8bf4\u5728\u524d\u9762<\/a><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d97f\">\u51cf\u5c0f\u4f53\u79ef<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#javascript\">JavaScript \u538b\u7f29<\/a><li class=\"uagb-toc__list\"><a href=\"#css\">CSS \u538b\u7f29<\/a><li class=\"uagb-toc__list\"><a href=\"#tree-shaking\">Tree Shaking<\/a><li class=\"uagb-toc__list\"><a href=\"#polyfill\">\u6309\u9700\u5f15\u5165 Polyfill<\/a><li class=\"uagb-toc__list\"><a href=\"#gzip\">gzip \u538b\u7f29<\/a><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9a1\">\u5b57\u4f53\u88c1\u526a<\/a><li class=\"uagb-toc__list\"><a href=\"#webp\">WebP \u56fe\u7247<\/a><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9aa\">\u61d2\u52a0\u8f7d<\/a><li class=\"uagb-toc__list\"><a href=\"#polyfill\">\u52a8\u6001 Polyfill<\/a><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9b3\">\u52a0\u5feb\u6e32\u67d3<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9b7\">\u8d44\u6e90\u52a0\u8f7d\u987a\u5e8f<\/a><li class=\"uagb-toc__list\"><a href=\"#css\">\u5173\u952e CSS \u5185\u8054<\/a><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9c1\">\u670d\u52a1\u7aef\u6e32\u67d3<\/a><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9c6\">\u6d41\u5f0f\u6e32\u67d3\u4e0e\u5206\u5757\u6e32\u67d3<\/a><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9cb\">\u63a5\u53e3\u9884\u8bf7\u6c42<\/a><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9cf\">\u8fb9\u7f18\u8282\u70b9\u6e32\u67d3<\/a><li class=\"uagb-toc__list\"><a href=\"#ios\">iOS \u7279\u4f9b\u4f18\u5316<\/a><\/li><\/ul><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9d8\">\u7f51\u7edc\u4e0e\u7f13\u5b58<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#cdn\">CDN<\/a><li class=\"uagb-toc__list\"><a href=\"#http2\">HTTP\/2<\/a><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9e3\">\u7f13\u5b58<\/a><li class=\"uagb-toc__list\"><a href=\"#pwa\">PWA<\/a><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9eb\">\u8d44\u6e90\u5305\u4e0b\u53d1<\/a><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9ee\">\u957f\u8fde\u63a5<\/a><li class=\"uagb-toc__list\"><a href=\"#dns\">DNS \u4f18\u5316<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#toc_6706cde57d9f7\">\u66f4\u65b0\u65e5\u5fd7<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/ol>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\n\n\n<h2>\u8bf4\u5728\u524d\u9762<\/h2>\n\n\n\n<p>\u4e2d\u56fd\u7684\u79fb\u52a8\u4e92\u8054\u7f51\uff0c\u662f\u4e0e\u522b\u5904\u4e0d\u540c\u7684\u3002\u9996\u5148\uff0c\u6d41\u91cf\u96c6\u4e2d\u5728\u5934\u90e8\u516c\u53f8\u7684\u73b0\u8c61\u660e\u663e\uff0c\u800c\u5927\u5382\u603b\u5e0c\u671b\u81ea\u5df1\u7684\u5e94\u7528\u6210\u4e3a\u4e92\u8054\u7f51\u5165\u53e3\uff0c\u5728\u4e00\u4e2a App \u5185\u585e\u5165\u5404\u79cd\u529f\u80fd\u3002\u5176\u6b21\uff0c\u529f\u80fd\u8fed\u4ee3\u901f\u5ea6\u5feb\uff0c\u7eaf\u539f\u751f\u5e94\u7528\u65e0\u6cd5\u6ee1\u8db3\u9700\u6c42\u3002\u7efc\u5408\u5404\u79cd\u56e0\u7d20\uff0c\u5f53\u524d\u5404\u5bb6\u5927\u5382\u90fd\u5728 App \u5185\u5e7f\u6cdb\u91c7\u7528 Webview \u627f\u8f7d\u529f\u80fd\u3002\u56fa\u7136\uff0cWeb \u9875\u9762\u6027\u80fd\u65e0\u6cd5\u4e0e\u539f\u751f\u9875\u9762\u5ab2\u7f8e\uff0c\u4f46\u5176\u5f3a\u5927\u7684\u8868\u73b0\u529b\u3001\u7075\u6d3b\u7684\u53d1\u5e03\u8282\u594f\u4f7f\u5176\u522b\u5177\u4f18\u52bf\u3002\u672c\u6587\u63a2\u8ba8\u7684\u662f\u8fd9\u79cd\u4f7f\u7528\u60c5\u666f\u4e0b\uff0cWeb \u9875\u9762\u5982\u4f55\u4f18\u5316\u6253\u5f00\u901f\u5ea6\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4ee5\u4e0b\u6709\u4e00\u4e9b\u65b9\u6cd5\u662f\u9700\u8981\u5ba2\u6237\u7aef\u914d\u5408\u624d\u80fd\u505a\u5230\u7684\u3002<\/p>\n\n\n\n<p>\u8fd9\u7bc7\u6587\u7ae0\u4e0d\u4f1a\u624b\u628a\u624b\u6559\u4f60\u5177\u4f53\u600e\u4e48\u7528\u4ec0\u4e48\u5de5\u5177\u53bb\u505a\uff0c\u5199\u4ec0\u4e48\u4ee3\u7801\u4f18\u5316\uff0c\u53ea\u4f1a\u5927\u6982\u68b3\u7406\u539f\u7406\uff0c\u5e76\u5206\u6790\u4f18\u5316\u624b\u6bb5\u7684\u6536\u76ca\u4e0e\u6210\u672c\uff0c\u5177\u4f53\u9009\u62e9\u4ec0\u4e48\u65b9\u6848\u5982\u4f55\u5b9e\u73b0\uff0c\u9700\u8981\u7ed3\u5408\u5b9e\u9645\u9879\u76ee\u6765\u770b\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\uff0c\u6211\u6c34\u5e73\u6709\u9650\uff0c\u4ee5\u4e0b\u5185\u5bb9\u53ef\u80fd\u4f1a\u6709\u4e00\u4e9b\u9519\u8bef\uff0c\u6b22\u8fce\u6307\u51fa\uff01<\/p>\n\n\n\n<h2>\u51cf\u5c0f\u4f53\u79ef<\/h2>\n\n\n\n<p>\u7f51\u901f\uff0c\u662f\u5236\u7ea6\u52a0\u8f7d\u901f\u5ea6\u7684\u4e00\u5927\u56e0\u7d20\u3002\u53ea\u8981\u4f60\u8981\u52a0\u8f7d\u7684\u4e1c\u897f\u8d8a\u5c0f\uff0c\u52a0\u8f7d\u901f\u5ea6\u5c31\u8d8a\u5feb\uff0c\u8fd9\u662f\u4e92\u8054\u7f51\u7684\u771f\u7406\u3002\u5373\u4f7f\u7528\u6237\u67091000Mbps\u7684\u5149\u7ea4\u63a5\u5165\uff0c\u7528\u6237\u6d4f\u89c8\u9875\u9762\u65f6\u4e5f\u7528\u4e0d\u5230\u90a3\u4e48\u5927\u7684\u5e26\u5bbd\uff08\u7531\u4e8eTCP\u62e5\u585e\u7b97\u6cd5\u7279\u6027\uff0c\u52a0\u8f7d\u4e00\u4e2a\u9875\u9762\u53ef\u80fd\u8fd8\u5728\u6162\u542f\u52a8\u9636\u6bb5\u5c31\u7ed3\u675f\u4e86\uff09\u3002\u66f4\u4f55\u51b5\u5728\u79fb\u52a8\u7aef\uff0c\u5927\u91cf\u7528\u6237\u4f7f\u75284G\u7f51\u7edc\u63a5\u5165\uff0c\u5e26\u5bbd\u66f4\u4e3a\u6709\u9650\u3002\u90a3\u4e48\u4f18\u5316\u4f53\u79ef\u5e26\u6765\u7684\u6536\u76ca\u5c31\u662f\u975e\u5e38\u7acb\u7aff\u89c1\u5f71\u7684\u3002\u5047\u8bbe\u8d44\u6e90\u51cf\u5c11\u4e86100KB\uff0c\u5f88\u53ef\u80fd\u5e26\u6765\u6570\u5341\u6beb\u79d2\u7684\u4f18\u5316\u3002<\/p>\n\n\n\n<h3>JavaScript \u538b\u7f29<\/h3>\n\n\n\n<p>JavaScript \u662f\u4e00\u95e8\u8bed\u6cd5\u7075\u6d3b\u7684\u8bed\u8a00\uff0c\u901a\u8fc7\u4e00\u4e9b\u795e\u5947\u7684\u64cd\u4f5c\u53ef\u4ee5\u4ee5\u727a\u7272\u4ee3\u7801\u53ef\u8bfb\u6027\u4e3a\u4ea4\u6362\u6761\u4ef6\u5927\u5e45\u538b\u7f29\u4ee3\u7801\uff0c\u5728\u751f\u4ea7\u73af\u5883\u6211\u4eec\u663e\u7136\u4e0d\u9700\u8981\u4ee3\u7801\u53ef\u8bfb\u6027\u3002Webpack v5 \u5f00\u7bb1\u81ea\u5e26 <a href=\"https:\/\/webpack.js.org\/plugins\/terser-webpack-plugin\/\">TerserWebpackPlugin<\/a>\uff0c\u5728 production \u73af\u5883\u4e0b\u9ed8\u8ba4\u542f\u7528\u3002\u8be5\u63d2\u4ef6\u53ef\u4ee5\u901a\u8fc7\u53d8\u91cf\u540d\u66ff\u6362\u3001\u5220\u9664\u7a7a\u884c\u7b49\u624b\u6bb5\u5c06 JavaScript \u4ee3\u7801\u8fdb\u884c\u538b\u7f29\u3002\u5982\u679c\u4f60\u5e0c\u671b\u8c03\u8bd5\u538b\u7f29\u540e\u4ee3\u7801\/\u5bf9\u5e94\u538b\u7f29\u524d\u540e\u4ee3\u7801\uff0c\u53ef\u4ee5\u901a\u8fc7\u751f\u6210 Source Map \u6765\u8f85\u52a9\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/sora.sound.moe\/wp-content\/uploads\/2021\/09\/image.png\"><img decoding=\"async\" src=\"http:\/\/sora.sound.moe\/wp-content\/uploads\/2021\/09\/image.png\" alt=\"\"\/><\/a><figcaption class=\"wp-element-caption\">\u4f7f\u7528 terser \u5bf9 JavaScript \u4ee3\u7801\u8fdb\u884c\u538b\u7f29<\/figcaption><\/figure>\n\n\n\n<h3>CSS \u538b\u7f29<\/h3>\n\n\n\n<p>CSS \u7684\u53ef\u538b\u7f29\u7a7a\u95f4\u6bd4 JavaScript \u8981\u5c0f\u4e00\u4e9b\uff0c\u4f46\u80fd\u538b\u4e00\u70b9\u662f\u4e00\u70b9\u3002\u901a\u8fc7\u5220\u9664\u7a7a\u884c\uff0c\u4f18\u5316\u5199\u6cd5\u7b49\u624b\u6bb5\u53ef\u4ee5\u51cf\u5c0f CSS \u7684\u4f53\u79ef\u3002\u4f8b\u5982\u5c06<code>margin-top: 2px; margin-left: 2px; margin-right: 2px; margin-bottom: 2px;<\/code>\u538b\u7f29\u4e3a<code>margin: 2px<\/code>\u3002\u53ef\u4ee5\u4f7f\u7528 CSS \u540e\u5904\u7406\u5668\u5982 <a href=\"https:\/\/postcss.org\/\">PostCSS<\/a> \u52a0\u8f7d <a href=\"https:\/\/cssnano.co\/\">CSSNano<\/a> \u63d2\u4ef6\u5bf9 CSS \u4ee3\u7801\u8fdb\u884c\u538b\u7f29\u3002Webpack \u53ef\u4ee5\u901a\u8fc7 <a href=\"https:\/\/webpack.js.org\/loaders\/postcss-loader\/\" data-type=\"URL\" data-id=\"https:\/\/webpack.js.org\/loaders\/postcss-loader\/\">postcss-loader<\/a> \u4f7f\u7528 PostCSS\u3002<\/p>\n\n\n\n<h3>Tree Shaking<\/h3>\n\n\n\n<p>Tree Shaking \u6307\u7684\u662f\u5728\u6253\u5305\u8fc7\u7a0b\u4e2d\u81ea\u52a8\u5220\u9664\u672a\u4f7f\u7528\u6a21\u5757\u7684\u6280\u672f\u3002\u8fd9\u4e00\u505a\u6cd5\u7531 rollup \u9996\u521b\uff0c\u540e\u7eed Webpack \u4e5f\u52a0\u5165\u4e86<a href=\"https:\/\/webpack.js.org\/guides\/tree-shaking\/\">\u8be5\u529f\u80fd<\/a>\u3002\u5728 Webpack v5 \u4e2d\uff0c\u9ed8\u8ba4\u5f00\u542f\u4e86\u4f7f\u7528 terser \u6765\u5206\u6790\u672a\u4f7f\u7528\u7684\u4ee3\u7801\u5e76\u5220\u53bb\u7684\u529f\u80fd\u3002\u867d\u7136\u8fd9\u4e00\u6a21\u5f0f\u7684\u5206\u6790\u4e0d\u80fd\u8fbe\u5230\u5b8c\u7f8e\uff0c\u4f46\u57fa\u4e8e<a href=\"https:\/\/webpack.js.org\/configuration\/optimization\/#optimizationsideeffects\">\u526f\u4f5c\u7528\u7684\u5206\u6790\u6a21\u5f0f<\/a>\u5728\u771f\u5b9e\u5f00\u53d1\u4e0b\u5f88\u96be\u5b9e\u73b0\uff0c\u9700\u8981\u4f9d\u8d56\u5305\u5728<code>package.json<\/code>\u4e2d\u6807\u8bb0\u526f\u4f5c\u7528\u60c5\u51b5\uff0c\u8fc7\u4e8e\u7406\u60f3\u3002Webpack v5 \u4e5f\u9ed8\u8ba4\u542f\u7528\u4e86\u57fa\u4e8e\u526f\u4f5c\u7528\u6807\u8bb0\u7684 Tree Shaking\u3002<\/p>\n\n\n\n<p>Tree Shaking \u6280\u672f\u53ef\u4ee5\u5927\u5e45\u51cf\u5c11\u5f15\u5165\u7684\u4f9d\u8d56\uff0c\u4f18\u5316\u4ee3\u7801\u4f53\u79ef\u3002<\/p>\n\n\n\n<h3>\u6309\u9700\u5f15\u5165 Polyfill<\/h3>\n\n\n\n<p>\u73b0\u4ee3\u524d\u7aef\u9875\u9762\u901a\u5e38\u4f7f\u7528 <a href=\"https:\/\/babeljs.io\/\">Babel<\/a> \u5bf9\u4ee3\u7801\u8fdb\u884c\u8f6c\u8bd1\uff0c\u4ee5\u4fdd\u8bc1\u5728\u4f4e\u7248\u672c\u6d4f\u89c8\u5668\u4e0a\u7684\u517c\u5bb9\u6027\u3002\u5bf9\u4e8e\u4e00\u4e9b\u4f4e\u7248\u672c\u4e0d\u652f\u6301\u7684\u7279\u6027\uff0c\u901a\u5e38\u4f7f\u7528 <a href=\"https:\/\/github.com\/zloirock\/core-js\">core-js<\/a> \u5f15\u5165 Polyfill\u3002Polyfill \u6307\u7684\u662f\uff0c\u901a\u8fc7\u5f15\u5165\u4e00\u6bb5\u4ee3\u7801\u4f7f\u4f4e\u7248\u672c\u6d4f\u89c8\u5668\u5f97\u4ee5\u652f\u6301\u65b0\u7279\u6027\u3002\u4f46\u6211\u4eec\u4e00\u822c\u4e0d\u9700\u8981\u5f15\u5165\u5168\u90e8\u7684Polyfill\uff0c\u800c\u662f\u53ea\u5f15\u5165\u9700\u8981\u7684\u3002babel-preset-env \u63d0\u4f9b\u4e86<a href=\"https:\/\/babeljs.io\/docs\/en\/babel-preset-env#usebuiltins\">\u9009\u9879<\/a>\u6765\u652f\u6301\u6309\u9700\u5f15\u5165 Polyfill\u3002<\/p>\n\n\n\n<h3>gzip \u538b\u7f29<\/h3>\n\n\n\n<p>\u6700\u7b80\u5355\u800c\u7c97\u66b4\u7684\u4f18\u5316\u624b\u6bb5\u4e4b\u4e00\u3002\u4e3a\u670d\u52a1\u5668\u542f\u7528 gzip \u538b\u7f29\uff0c\u8ba9\u670d\u52a1\u5668\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u7684\u5185\u5bb9\u7ecf\u8fc7\u538b\u7f29\u7b97\u6cd5\u5904\u7406\u540e\u518d\u53d1\u9001\uff0c\u5ba2\u6237\u7aef\u4e0b\u8f7d\u5185\u5bb9\u540e\u8fdb\u884c\u89e3\u538b\u7f29\u3002\u7531\u4e8e gzip \u7b97\u6cd5\u7684\u538b\u7f29\/\u89e3\u538b\u975e\u5e38\u5feb\uff0c\u538b\u7f29\u5f00\u9500\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\uff0c\u6240\u4ee5\u542f\u7528 gzip \u53ef\u4ee5\u8bf4\u662f\u767e\u5229\u800c\u65e0\u4e00\u5bb3\u7684\u4e00\u79cd\u4f18\u5316\u624b\u6bb5\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528 Nginx \u65f6\uff0c\u542f\u7528\u81ea\u5e26\u7684 HttpGzip \u6a21\u5757\u5373\u53ef\u3002<\/p>\n\n\n\n<h3>\u5b57\u4f53\u88c1\u526a<\/h3>\n\n\n\n<p>\u5047\u5982\u9875\u9762\u4e3a\u9759\u6001\u9875\u9762\uff0c\u5c55\u793a\u5185\u5bb9\u56fa\u5b9a\uff0c\u8fd9\u79cd\u9875\u9762\u4e00\u822c\u5bf9\u8bbe\u8ba1\u6709\u8f83\u9ad8\u8981\u6c42\uff0c\u4e5f\u53ef\u80fd\u4f1a\u6307\u5b9a\u4f7f\u7528\u7279\u5b9a\u5b57\u4f53\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u9700\u8981\u901a\u8fc7<code>@font-face<\/code>\u989d\u5916\u52a0\u8f7d\u5b57\u4f53\u3002\u4e2d\u6587\u5b57\u4f53\u901a\u5e38\u4f53\u79ef\u8f83\u5927\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5b57\u4f53\u88c1\u526a\u7684\u65b9\u6cd5\u51cf\u5c0f\u5b57\u4f53\u7684\u4f53\u79ef\u3002<\/p>\n\n\n\n<p>\u6240\u8c13\u5b57\u4f53\u88c1\u526a\u5c31\u662f\u53bb\u9664\u5b57\u4f53\u4e2d\u672a\u4f7f\u7528\u7684\u5b57\u7b26\uff0c\u51cf\u5c0f\u5b57\u4f53\u7684\u4f53\u79ef\u3002\u76ee\u524d\u6bd4\u8f83\u6d41\u884c\u7684\u65b9\u6848\u6709 <a href=\"https:\/\/github.com\/ecomfe\/fontmin\">fontmin<\/a>\u3001<a href=\"https:\/\/github.com\/foliojs\/fontkit\">fontkit<\/a> \u7b49\uff08\u6211\u6ca1\u7528\u8fc7\uff0c\u521a\u641c\u7684\uff09\u3002<\/p>\n\n\n\n<h3>WebP \u56fe\u7247<\/h3>\n\n\n\n<p>WebP \u683c\u5f0f\u7684\u56fe\u7247\u6bd4\u8d77\u5e38\u7528\u7684 JPEG\/PNG \u683c\u5f0f\u56fe\u7247\u6709\u66f4\u597d\u7684\u538b\u7f29\u7387\uff0c\u5982\u679c\u6709\u80fd\u529b\u5728 CDN \u4e0a\u90e8\u7f72\u591a\u4e2a\u7248\u672c\u7684\u56fe\u7247\uff0c\u53ef\u4ee5\u8003\u8651\u901a\u8fc7 JavaScript \u5224\u65ad\u5ba2\u6237\u7aef\u662f\u5426\u652f\u6301 WebP \u56fe\u7247\u7136\u540e\u9009\u62e9 WebP \u7248\u672c\u663e\u793a\u6216 Fallback \u5230 JPEG\/PNG\u3002<\/p>\n\n\n\n<p>iOS 14 \u53ca\u4ee5\u4e0a\u7248\u672c\u5df2\u7ecf\u652f\u6301\u4e86 WebP \u683c\u5f0f\u56fe\u7247\u3002\u76f8\u4fe1\u652f\u6301\u7387\u4f1a\u8d8a\u6765\u8d8a\u9ad8\u3002\u4eca\u540e\u53ef\u80fd\u4f1a\u6709\u5927\u5382\u5f00\u59cb\u8003\u8651\u7528\u538b\u7f29\u7387\u66f4\u4f18\u79c0\u7684 AVIF\/JPEG XL \u4e86\u3002<\/p>\n\n\n\n<p>\u987a\u4fbf\u4e00\u63d0\uff08\u4e0d\u5355\u72ec\u5f00\u4e2a\u5c0f\u8282\u4e86\uff09\uff0c\u4f7f\u7528 CSS \u7684 background-image \u6bd4\u76f4\u63a5\u4f7f\u7528 &lt;img&gt; \u6807\u7b7e\u8981\u6162\uff0c\u6240\u4ee5\u5bf9\u56fe\u7247\u52a0\u8f7d\u901f\u5ea6\u8981\u6c42\u9ad8\u7684\u65f6\u5019\u5c3d\u91cf\u4e0d\u8981\u7528 CSS \u80cc\u666f\u56fe\u3002\u56e0\u4e3a\u4f7f\u7528 CSS background-image \u7684\u8bdd\uff0c\u56fe\u7247\u52a0\u8f7d\u65f6\u673a\u9700\u8981\u5728 CSS \u52a0\u8f7d\u5b8c\u6bd5\u4e4b\u540e\u3002<\/p>\n\n\n\n<h3>\u61d2\u52a0\u8f7d<\/h3>\n\n\n\n<p>\u975e\u9996\u5c4f\u9700\u8981\u7684\u8d44\u6e90\u53ef\u4ee5\u5728\u9875\u9762\u6e32\u67d3\u4e4b\u540e\u518d\u4e0b\u8f7d\uff0c\u6216\u8005\u5728\u7528\u5230\u7684\u65f6\u5019\u518d\u4e0b\u8f7d\u3002\u6bd4\u8f83\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\u662f\u9875\u9762\u5185\u5f39\u7a97\u7684\u7ec4\u4ef6\u53ef\u4ee5\u5ef6\u540e\u52a0\u8f7d\u3002\u901a\u8fc7\u914d\u7f6e\u6253\u5305\u5de5\u5177\uff0c\u5c06\u8fd9\u4e00\u90e8\u5206\u4ee3\u7801\u5206\u5272\uff0c\u5728\u4f7f\u7528\u65f6\u518d\u52a0\u8f7d\u53ef\u4ee5\u51cf\u5c11\u9996\u5c4f\u6e32\u67d3\u9700\u8981\u7684\u8d44\u6e90\u5927\u5c0f\uff0c\u4ece\u800c\u52a0\u5feb\u9996\u5c4f\u5c55\u793a\u3002<\/p>\n\n\n\n<p>\u540c\u65f6\uff0c\u9700\u8981\u61d2\u52a0\u8f7d\u7684\u5185\u5bb9\u4e5f\u53ef\u4ee5\u518d\u8fdb\u884c\u9884\u8bf7\u6c42\uff0c\u8fd9\u6837\u4f7f\u7528\u5230\u7684\u65f6\u5019\u4e0d\u7528\u518d\u8bf7\u6c42\u8d44\u6e90\u6587\u4ef6\uff0c\u7528\u6237\u4f53\u9a8c\u66f4\u52a0\u3002HTML \u7684 &lt;link&gt; \u6807\u7b7e\u652f\u6301\u4f7f\u7528 <a href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/HTML\/Link_types\/preload\">preload \u5c5e\u6027<\/a>\u8868\u793a\u9700\u8981\u9884\u52a0\u8f7d\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u5176\u4e2d\uff0c\u56fe\u7247\u61d2\u52a0\u8f7d\u8f83\u4e3a\u7279\u6b8a\u3002\u7528\u4e8e\u6d4f\u89c8\u5668\u4f1a\u540c\u65f6\u5f00\u59cb\u8bf7\u6c42\u6240\u6709\u9875\u9762\u4e2d\u7684\u56fe\u7247\uff0c\u65e0\u8bba\u5176\u662f\u5426\u5728\u9996\u5c4f\u4f7f\u7528\u3002\u7531\u4e8e\u5e26\u5bbd\u6709\u9650\uff0c\u540c\u65f6\u52a0\u8f7d\u66f4\u591a\u56fe\u7247\u5219\u4f1a\u964d\u4f4e\u56fe\u7247\u7684\u5e73\u5747\u4e0b\u8f7d\u901f\u5ea6\u3002\u56e0\u6b64\uff0c\u5982\u957f\u5217\u8868\u7b49\u573a\u666f\uff0c\u975e\u9996\u5c4f\u56fe\u7247\u53ef\u4ee5\u5ef6\u540e\u52a0\u8f7d\u3002\u4e0d\u8003\u8651\u517c\u5bb9\u6027\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u4f7f\u7528 &lt;img&gt; \u6807\u7b7e\u7684 loading=&#8221;lazy&#8221; \u5c5e\u6027\uff0c\u7531\u6d4f\u89c8\u5668\u539f\u751f\u652f\u6301\uff0c\u6548\u679c\u6700\u4f73\u3002\u5426\u5219\u53ef\u4ee5\u4f7f\u7528 IntersectionObserver \u89c2\u5bdf\u5143\u7d20\u4e0e viewport \u7684\u4f4d\u7f6e\u5173\u7cfb\u51b3\u5b9a\u662f\u5426\u52a0\u8f7d\u56fe\u7247\uff0c\u8fd9\u4f1a\u6bd4\u539f\u751f\u652f\u6301\u7a0d\u6162\uff0c\u56e0\u4e3a\u9700\u8981\u5148\u6267\u884c JavaScript\u3002<\/p>\n\n\n\n<h3>\u52a8\u6001 Polyfill<\/h3>\n\n\n\n<p>\u8fd1\u5e74\u6765\u8bb8\u591a CDN \u5382\u5546\u4e5f\u5f00\u59cb\u7ed9 CDN \u8fb9\u7f18\u8282\u70b9\u5f15\u5165\u8ba1\u7b97\u80fd\u529b\uff0c\u8ba9\u52a8\u6001 Polyfill \u6210\u4e3a\u53ef\u884c\u7684\u65b9\u6848\u3002\u6240\u8c13\u52a8\u6001 Polyfill \u5373\u6839\u636e\u5ba2\u6237\u7aef\u7684 User-Agent \u8fd4\u56de\u4e0d\u540c\u7684 Polyfill \u6587\u4ef6\u3002\u5f53\u524d\u73b0\u4ee3\u6d4f\u89c8\u5668\u6bd4\u4f8b\u4e0d\u65ad\u63d0\u9ad8\uff0c\u6709\u5927\u90e8\u5206\u7528\u6237\u5176\u5b9e\u662f\u4e0d\u9700\u8981\u4efb\u4f55 Polyfill \u7684\uff0c\u5982\u679c\u7ed9\u8fd9\u4e9b\u7528\u6237\u4e5f\u5f15\u5165\u4e86 Polyfill \u663e\u7136\u662f\u6d6a\u8d39\u4e86\u6587\u4ef6\u5927\u5c0f\u3002\u5229\u7528 CDN \u8fb9\u7f18\u8282\u70b9\u7684\u8ba1\u7b97\u80fd\u529b\uff0c\u5224\u65ad\u51fa\u8fd9\u4e9b\u7528\u6237\u5e76\u7ed9\u4ed6\u4eec\u8fd4\u56de\u7a7a\uff0c\u53ef\u4ee5\u8282\u7ea6\u5927\u91cf\u4f20\u8f93\u4f53\u79ef\uff0c\u4ece\u800c\u52a0\u5feb\u9875\u9762\u4e0b\u8f7d\u3002<\/p>\n\n\n\n<h2>\u52a0\u5feb\u6e32\u67d3<\/h2>\n\n\n\n<p>\u5982\u4f55\u8ba9\u9875\u9762\u66f4\u5feb\u5730\u5448\u73b0\u7ed9\u7528\u6237\uff0c\u4e5f\u662f\u4e00\u5927\u5386\u53f2\u96be\u9898\u3002<\/p>\n\n\n\n<h3>\u8d44\u6e90\u52a0\u8f7d\u987a\u5e8f<\/h3>\n\n\n\n<p>CSS\/JavaScript \u90fd\u4f1a\u963b\u585e\u9875\u9762\u6e32\u67d3\u3002\u5177\u4f53\u6765\u8bf4\uff1astyle \u6807\u7b7e\u4f1a\u963b\u585e\u5176\u4e4b\u540e\u7684 DOM \u663e\u793a\uff0c\u4f46\u4e0d\u963b\u585e DOM \u7684\u89e3\u6790\u3001DOM \u6811\u7684\u6784\u5efa\uff0c\u53ea\u662f\u4f1a\u7b49\u6837\u5f0f\u6587\u4ef6\u4e0b\u8f7d\u5b8c\u4e4b\u540e\u518d\u663e\u793a\u540e\u9762\u7684\u5185\u5bb9\uff08\u5185\u8054\u6837\u5f0f\u5219\u65e0\u9700\u4e0b\u8f7d\uff09\u3002script \u6807\u7b7e\u5219\u4f1a\u963b\u585e\u5176\u4e4b\u540e\u7684 DOM \u7684\u89e3\u6790\u4e0e\u6e32\u67d3\u3002<a href=\"https:\/\/harttle.land\/2016\/11\/26\/static-dom-render-blocking.html\">\u8fd9\u7bc7\u6587\u7ae0<\/a>\u603b\u7ed3\u5f97\u6d45\u663e\u6613\u61c2\u3002<\/p>\n\n\n\n<p>\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5927\u5bb6\u4e00\u822c\u9009\u62e9\u5c06 style \u6807\u7b7e\u653e\u5728 HTML \u5934\u90e8\uff0c\u56e0\u4e3a\u5982\u679c\u5148\u663e\u793a HTML \u5e03\u5c40\u518d\u52a0\u8f7d\u6837\u5f0f\uff0c\u4f1a\u6709\u4e00\u4e2a\u4ece\u65e0\u6837\u5f0f\u5230\u6709\u6837\u5f0f\u7684\u91cd\u6e32\u67d3\u7684\u95ea\u52a8\uff0c\u8fd9\u662f\u4e00\u4e2a\u4f53\u9a8c\u5f88\u5dee\u7684\u8fc7\u7a0b\u3002\u800c JavaScript \u5219\u4e00\u822c\u653e\u5728 HTML \u672b\uff0c\u5728\u9996\u6b21\u6e32\u67d3\u540e\u518d\u505a\u4e8b\u4ef6\u7ed1\u5b9a\u7b49\u64cd\u4f5c\u8ba9\u9875\u9762\u53ef\u4ea4\u4e92\u3002<\/p>\n\n\n\n<h3>\u5173\u952e CSS \u5185\u8054<\/h3>\n\n\n\n<p>\u6839\u636e\u524d\u4e00\u5c0f\u8282\u6240\u8bf4\uff0c\u5916\u8054 CSS \u9700\u8981\u653e\u5728 HTML \u7684\u5934\u90e8\uff0c\u540c\u65f6\u9875\u9762\u9700\u8981\u7b49\u5f85\u5916\u8054\u7684 CSS \u6587\u4ef6\u4e0b\u8f7d\u5e76\u89e3\u6790\u5b8c\u540e\u518d\u663e\u793a\u3002\u5982\u679c\u4f7f\u7528\u5916\u8054 CSS \uff0c\u90a3\u4e48\u9700\u8981\u5148\u4e0b\u8f7d HTML\uff0c\u7136\u540e\u89e3\u6790 HTML\uff0c\u6d4f\u89c8\u5668\u518d\u53d1\u8d77\u8bf7\u6c42\u4e0b\u8f7d CSS \u6587\u4ef6\uff0c\u7136\u540e\u518d\u663e\u793a\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u65e2\u7136\u5982\u6b64\uff0c\u4e0d\u5982\u5c06\u9996\u5c4f\u9700\u8981\u7528\u5230\u7684 CSS \u76f4\u63a5\u5185\u8054\u8fdb HTML \u4e2d\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u4e00\u6b21\u8bf7\u6c42\uff0c\u964d\u4f4e\u9875\u9762\u9996\u5c4f\u65f6\u95f4\u3002\u4f46\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5185\u8054\u8fdb HTML \u7684 CSS \u8981\u5c3d\u91cf\u5c11\uff0c\u4e0d\u7136\u53ef\u80fd\u5f71\u54cd\u9875\u9762\u52a0\u8f7d\u901f\u5ea6\u3002\u8fd9\u4e9b\u5173\u952e\u7684 CSS \u88ab\u79f0\u4e3a Critical CSS\uff0c\u90a3\u4e48\u5982\u4f55\u5c06\u8fd9\u4e9b CSS \u4ece\u6240\u6709\u7684 CSS \u4e2d\u5206\u51fa\u6765\u5462\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u6709\u4e24\u4e2a\u65b9\u5411\uff0c\u4e00\u79cd\u662f\u9759\u6001\u5206\u6790\uff0c\u901a\u8fc7\u5206\u6790 CSS \u548c HTML \u6587\u4ef6\uff0c\u5c06\u5fc5\u8981\u7684 CSS \u62bd\u51fa\u6765\uff0c\u6bd4\u5982\u8bf4 <a href=\"https:\/\/github.com\/theKashey\/used-styles\">used-styles<\/a> \u5c31\u662f\u8fd9\u4e48\u505a\u7684\u3002<\/p>\n\n\n\n<p>\u8fd8\u6709\u4e00\u79cd\u66f4\u51c6\u786e\u7684\u505a\u6cd5\u5c31\u662f\u4f7f\u7528\u7c7b\u4f3c <a href=\"https:\/\/github.com\/kriasoft\/isomorphic-style-loader\">isomorphic-style-loader<\/a> \u7684\u65b9\u6848\uff0c\u76f4\u63a5\u5728\u670d\u52a1\u7aef\u6e32\u67d3\u7684\u65f6\u5019\u5206\u6790\u51fa\u54ea\u4e9b CSS \u9700\u8981\u5728\u9996\u5c4f\u6e32\u67d3\u65f6\u7528\u5230\uff0c\u975e\u5e38\u5de7\u5999\u800c\u51c6\u786e\uff0c\u5efa\u8bae\u4e86\u89e3\u4e00\u4e0b\u3002<\/p>\n\n\n\n<h3>\u670d\u52a1\u7aef\u6e32\u67d3<\/h3>\n\n\n\n<p>\u73b0\u4ee3\u524d\u7aef\u5e94\u7528\u8d8a\u6765\u8d8a\u590d\u6742\uff0c\u901a\u5e38\u90fd\u9700\u8981\u4f9d\u8d56\u63a5\u53e3\u6570\u636e\u505a\u5c55\u793a\u3002\u5728\u4f20\u7edf\u7684\u5ba2\u6237\u7aef\u6e32\u67d3\u9875\u9762\u4e2d\uff0c\u9875\u9762\u6700\u7ec8\u5448\u73b0\u4e4b\u524d\u9700\u8981\u7ecf\u8fc7\uff1a\u4e0b\u8f7d\u9875\u9762-&gt;\u4e0b\u8f7d JavaScript\/CSS \u7b49\u8d44\u6e90 -&gt; \u8bf7\u6c42\u63a5\u53e3 -&gt; \u6839\u636e\u63a5\u53e3\u6570\u636e\u6e32\u67d3\u9875\u9762\u3002\u65e0\u8bba\u662f\u7528 jQuery \u8fd8\u662f React\/Vue \uff0c\u83b7\u5f97\u63a5\u53e3\u6570\u636e\u4e4b\u540e\u90fd\u9700\u8981\u518d\u89e3\u6790\u6570\u636e\u6839\u636e\u6e32\u67d3\u51fa DOM \u7ed3\u6784\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/sora.sound.moe\/wp-content\/uploads\/2021\/10\/image.png\"><img decoding=\"async\" src=\"https:\/\/sora.sound.moe\/wp-content\/uploads\/2021\/10\/image.png\" alt=\"\"\/><\/a><figcaption class=\"wp-element-caption\">CSR<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/sora.sound.moe\/wp-content\/uploads\/2021\/10\/image-1.png\"><img decoding=\"async\" src=\"https:\/\/sora.sound.moe\/wp-content\/uploads\/2021\/10\/image-1.png\" alt=\"\"\/><\/a><figcaption class=\"wp-element-caption\">SSR<\/figcaption><\/figure>\n\n\n\n<p>\u670d\u52a1\u7aef\u6e32\u67d3\u5219\u662f\u5c06\u4ece\u63a5\u53e3\u83b7\u53d6\u6570\u636e\u548c\u9996\u6b21\u6e32\u67d3\u524d\u7f6e\u5230\u670d\u52a1\u7aef\uff0c\u901a\u5e38\u7531 Node \u4ece\u540e\u7aef\u8bf7\u6c42\u6570\u636e\u5e76\u6e32\u67d3\u540e\u53d1\u56de\u5ba2\u6237\u7aef\u3002\u5f53\u524d\u524d\u7aef\u9886\u57df\u6240\u91c7\u7528\u7684\u7684\u670d\u52a1\u7aef\u6e32\u67d3\u591a\u4e3a\u540c\u6784\u6e32\u67d3\u65b9\u6848\uff0c\u5373 Node \u7aef\u548c\u5ba2\u6237\u7aef\u8fd0\u884c\u540c\u4e00\u4efd\u4ee3\u7801\uff0c\u4ee5 React \u4e3a\u4f8b\uff0c\u5728 Node \u7aef\u8fdb\u884c\u63a5\u53e3\u7684\u8bf7\u6c42\u540e\u5373\u53ef\u4ece\u6570\u636e\u6e32\u67d3\u51fa DOM \u5b57\u7b26\u4e32\u3002\u540c\u65f6\uff0cNode \u7aef\u5c06\u72b6\u6001\u5e8f\u5217\u5316\u540e\u53d1\u56de\u5ba2\u6237\u7aef\uff0c\u5ba2\u6237\u7aef\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u6062\u590d\u72b6\u6001\uff0c\u8fdb\u884c&#8221;Hydrate&#8221;\u518d\u6b21\u6e32\u67d3\uff08\u6e32\u67d3\u540e\u4e0e Node \u7aef\u6e32\u67d3\u51fa\u7684 DOM \u8fdb\u884c\u5bf9\u6bd4\uff0c\u5229\u7528\u5df2\u6709 DOM \u5c11\u66f4\u65b0\u6216\u4e0d\u66f4\u65b0\u754c\u9762\uff09\uff0c\u4e4b\u540e\u9875\u9762\u8fdb\u5165\u53ef\u4ea4\u4e92\u72b6\u6001\u3002<\/p>\n\n\n\n<p>\u91c7\u7528\u670d\u52a1\u7aef\u6e32\u67d3\uff0c\u53ef\u4ee5\u63d0\u5347\u9996\u5c4f\u5c55\u793a\u7684\u901f\u5ea6\u3002\u56e0\u4e3a\u5ba2\u6237\u7aef\u9996\u6b21\u6e32\u67d3\u5373\u662f\u5e26\u6709\u6570\u636e\u7684\u9875\u9762\uff0c\u800c\u4e0d\u662f\u7b49\u5f85 JavaScript \u4e0b\u8f7d\u89e3\u6790\u5b8c\u6bd5\u540e\u6267\u884c\u518d\u53bb\u8bf7\u6c42\u63a5\u53e3\u3002\u8bf7\u6c42\u63a5\u53e3\u672c\u8eab\u7684\u65f6\u95f4\u4e5f\u6709\u6240\u51cf\u5c11\uff0c\u56e0\u4e3a\u5728Node \u7aef\u8bf7\u6c42\u63a5\u53e3\u901a\u5e38\u8d70\u5185\u7f51\u6216\u4e13\u7ebf\uff0c\u6bd4\u4ece\u7528\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42\u8981\u5feb\u5f97\u591a\u3002<\/p>\n\n\n\n<h3>\u6d41\u5f0f\u6e32\u67d3\u4e0e\u5206\u5757\u6e32\u67d3<\/h3>\n\n\n\n<p>\u6d41\u5f0f\u6e32\u67d3\u548c\u5206\u5757\u6e32\u67d3\u4e5f\u662f\u6027\u80fd\u4f18\u5316\u7684\u4e00\u5927\u5229\u5668\u3002\u4e3a\u4ec0\u4e48\u653e\u5230\u4e00\u8d77\u8bb2\u5462\uff0c\u4e3b\u8981\u73b0\u5728\u7684\u4e3b\u6d41\u5b9e\u73b0\u7684\u5206\u5757\u6e32\u67d3\u90fd\u662f\u4ee5\u6d41\u5f0f\u6e32\u67d3\u4e3a\u57fa\u7840\u7684\u3002\u6709\u65f6\u5019\u6211\u4eec\u4e5f\u65e0\u6cd5\u7b80\u5355\u5730\u5c06\u8fd9\u4e24\u8005\u5206\u5f00\u8ba8\u8bba\u3002<\/p>\n\n\n\n<p>\u6d41\u5f0f\u6e32\u67d3\u987e\u540d\u601d\u4e49\u5c31\u662f\u4ee5\u6d41\u7684\u65b9\u5f0f\u6e32\u67d3\u9875\u9762\u3002\u4ee5 React \u4e3a\u4f8b\uff0c\u8c03\u7528 ReactDOMServer \u7684 <a href=\"http:\/\/255, 233, 206\">renderToNodeStream<\/a> \u65b9\u6cd5\u5c31\u53ef\u4ee5\u5c06\u6e32\u67d3\u7ed3\u679c\u4ee5 Stream \u7684\u65b9\u5f0f\u8fd4\u56de\u3002\u8fd9\u53ef\u4ee5\u4e00\u5b9a\u7a0b\u5ea6\u964d\u4f4e\u9875\u9762\u7684\u9996\u5b57\u8282\u65f6\u95f4\uff08TTFB\uff09\uff0c\u540c\u65f6\u63d0\u524d\u5916\u90e8\u8d44\u6e90\u7684\u52a0\u8f7d\uff0c\u4ece\u800c\u52a0\u5feb\u9875\u9762\u5c55\u793a\u3002\u9700\u8981\u6ce8\u610f\uff0c\u4f7f\u7528\u6d41\u5f0f\u8f93\u51fa\u9700\u8981\u5728\u5404\u8f6c\u53d1\u5c42\u90fd\u7981\u7528 Buffer\uff0c\u4f8b\u5982\u5982\u679c Node \u5c42\u524d\u6709 Nginx \u5c42\uff0c\u5219\u9700\u8981\u914d\u7f6e X-Accel-Buffering \u5934\u7981\u7528\u6389 Nginx \u7684 Buffer\u3002<\/p>\n\n\n\n<p>\u4ec5\u4ec5\u662f\u5c06\u8f93\u51fa\u4ece\u5b57\u7b26\u4e32\u6539\u4e3a\u6d41\uff0c\u5c31\u5df2\u7ecf\u80fd\u5728\u6027\u80fd\u4e0a\u6709\u6240\u6536\u76ca\u3002\u5728\u6b64\u57fa\u7840\u4e0a\u518d\u5f15\u5165\u5206\u5757\u6e32\u67d3\u6280\u672f\uff0c\u53ef\u4ee5\u518d\u5927\u5e45\u63d0\u9ad8\u9875\u9762\u6027\u80fd\u3002\u5f53\u524d\u6211\u4eec\u901a\u5e38\u7684\u5206\u5757\u6e32\u67d3\u505a\u6cd5\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n\n\n\n<ol>\n<li>Node \u7aef\u9996\u5148\u540c\u6b65\u8f93\u51fa\u9875\u9762\u6846\u67b6\uff0c\u9700\u8981\u8bf7\u6c42\u63a5\u53e3\u7684\u90e8\u5206\u4f7f\u7528\u9aa8\u67b6\u5c4f\u5148\u5360\u4f4d\u3002<\/li>\n\n\n\n<li>\u5ba2\u6237\u7aef\u5f00\u59cb\u4e0b\u8f7d JavaScript \u6587\u4ef6\u7684\u540c\u65f6\uff0cNode \u7aef\u5f00\u59cb\u8bf7\u6c42\u63a5\u53e3\u3002<\/li>\n\n\n\n<li>Node \u7aef\u8bf7\u6c42\u5230\u63a5\u53e3\u8f93\u51fa\u540e\u7ee7\u7eed\u5411\u6d41\u8f93\u51fa\u811a\u672c\uff0c\u5c06\u9aa8\u67b6\u5c4f\u533a\u57df\u586b\u5145\u4e3a\u6709\u6570\u636e\u7684\u5185\u5bb9\u3002<\/li>\n\n\n\n<li>Node \u7aef\u5173\u95ed\u6d41\uff0c\u7ed3\u675f\u8f93\u51fa\uff0c\u5ba2\u6237\u7aef\u5f00\u59cb Hydrate\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u6837\u505a\u6cd5\u7684\u6700\u5927\u6709\u70b9\u5728\u4e8e\uff0c\u5c06 SSR \u4e2d\u4e32\u884c\u7684\u8bf7\u6c42 JavaScript \u548c\u8bf7\u6c42\u63a5\u53e3\u8f93\u51fa\u5e76\u884c\u5316\uff0c\u5927\u5e45\u964d\u4f4e\u4e86\u9875\u9762\u6e32\u67d3\u9700\u8981\u7684\u65f6\u95f4\u3002<\/p>\n\n\n\n<h3>\u63a5\u53e3\u9884\u8bf7\u6c42<\/h3>\n\n\n\n<p>\u63a5\u53e3\u9884\u8bf7\u6c42\u987e\u540d\u601d\u4e49\u5c31\u662f\u9884\u5148\u8bf7\u6c42\u4e0b\u4e00\u4e2a\u6253\u5f00\u7684\u9875\u9762\u6240\u9700\u8981\u7684\u6570\u636e\uff0c\u8fd9\u6837\uff0c\u5f53\u7528\u6237\u8bbf\u95ee\u4e0b\u4e00\u9875\u9762\u65f6\u65e0\u9700\u518d\u5411\u63a5\u53e3\u8bf7\u6c42\u6570\u636e\uff0c\u76f4\u63a5\u5229\u7528\u5df2\u7ecf\u8bf7\u6c42\u597d\u7684\u6570\u636e\u6e32\u67d3\u9875\u9762\uff0c\u8fd9\u5f53\u7136\u662f\u6781\u597d\u7684\u3002\u8fd9\u662f\u4e00\u79cd\u7a0d\u5fae\u6709\u70b9\u4f5c\u5f0a\u7684\u4f18\u5316\u624b\u6bb5\uff0c\u539f\u7406\u7b80\u5355\u6548\u679c\u4f18\u5f02\uff0c\u53ea\u662f\u6709\u4e00\u4e9b\u5730\u65b9\u9700\u8981\u6ce8\u610f\u3002<\/p>\n\n\n\n<p>\u4e00\u662f\u9700\u8981\u6ce8\u610f\u63a5\u53e3\u6570\u636e\u7684\u65f6\u6548\uff0c\u5047\u5982\u8bf4\u9884\u5148\u8bf7\u6c42\u63a5\u53e3\u4e4b\u540e\u7528\u6237\u8fc7\u4e86\u5f88\u4e45\u624d\u771f\u6b63\u6253\u5f00\u9700\u8981\u63a5\u53e3\u6570\u636e\u7684\u9875\u9762\uff0c\u8fd9\u4e2a\u65f6\u5019\u63a5\u53e3\u8fd4\u56de\u7684\u6570\u636e\u53ef\u80fd\u5df2\u7ecf\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u4e4b\u524d\u8bf7\u6c42\u7684\u6570\u636e\u4e0d\u518d\u662f\u6700\u65b0\u6570\u636e\uff0c\u6709\u65f6\u5019\u53ef\u80fd\u5c31\u4f1a\u7ed9\u7528\u6237\u5e26\u6765\u56f0\u6270\u3002\u6240\u4ee5\u9700\u8981\u6570\u636e\u9ad8\u5b9e\u65f6\u6027\u7684\u9875\u9762\u4e0d\u9002\u5408\u7528\u8fd9\u79cd\u4f18\u5316\u65b9\u6cd5\uff0c\u4f8b\u5982\u8bf4\u8ba2\u5355\u5217\u8868\u7b49\u3002<\/p>\n\n\n\n<p>\u4e8c\u662f\u9884\u8bf7\u6c42\u4e86\u63a5\u53e3\u6570\u636e\u4e4b\u540e\u7528\u6237\u53ef\u80fd\u6839\u672c\u4e0d\u4f1a\u518d\u53bb\u8bbf\u95ee\u4e0b\u7ea7\u9875\u9762\uff0c\u8fd9\u6837\u8bf7\u6c42\u7684\u6570\u636e\u5c31\u6d6a\u8d39\u4e86\uff0c\u7ed9\u670d\u52a1\u7aef\u589e\u52a0\u4e86\u538b\u529b\uff0c\u9700\u8981\u6743\u8861\u597d\u8fd9\u4e2a\u6210\u672c\u3002\u901a\u5e38\u4e0a\u7ea7\u9875\u9762\u5230\u4e0b\u7ea7\u9875\u9762\u5b58\u5728\u8f6c\u5316\u7387\uff0c\u8fd9\u4e2a\u53ef\u4ee5\u901a\u8fc7\u6253\u70b9\u7b49\u65b9\u6cd5\u7edf\u8ba1\uff0c\u8f6c\u5316\u7387\u6bd4\u8f83\u9ad8\u7684\u9875\u9762\u53ef\u4ee5\u8003\u8651\u4e0a\u8fd9\u4e2a\u4f18\u5316\u624b\u6bb5\u3002<\/p>\n\n\n\n<p>\u5728\u5177\u4f53\u5b9e\u73b0\u4e0a\uff0c\u5982\u679c\u6709\u5ba2\u6237\u7aef\u914d\u5408\u90a3\u76f4\u63a5\u7531\u5ba2\u6237\u7aef\u51c6\u5907\u6570\u636e\uff0c\u52ab\u6301\u7f51\u7edc\u8bf7\u6c42\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8ba9\u9875\u9762\u505a\u5230\u65e0\u611f\u63a5\u5165\uff0c\u65e0\u9700\u4ee3\u7801\u6539\u52a8\u5373\u53ef\u4eab\u53d7\u63a5\u53e3\u9884\u8bf7\u6c42\u5e26\u6765\u7684\u6536\u76ca\u3002\u5982\u679c\u662f\u7aef\u5916\uff0c\u53ef\u4ee5\u4e0a\u7ea7\u9875\u9762\u8bf7\u6c42\u540e\u5b58\u5728 localStorage \u7b49\u5730\u65b9\uff0c\u4e0b\u7ea7\u9875\u9762\u8bf7\u6c42\u4e4b\u524d\u5148\u68c0\u67e5\u662f\u5426\u6709\u8bf7\u6c42\u597d\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u4e0d\u96be\u770b\u51fa\uff0c\u5982\u679c\u9884\u8bf7\u6c42\u9996\u5c4f\u6570\u636e\uff0c\u90a3\u8fd9\u4e00\u65b9\u6cd5\u548c SSR \u662f\u51b2\u7a81\u7684\u3002\u9700\u8981\u6743\u8861\u6536\u76ca\u4e0e\u6210\u672c\u540e\u51b3\u5b9a\u5177\u4f53\u4f7f\u7528\u90a3\u79cd\u6280\u672f\u65b9\u6848\u3002<\/p>\n\n\n\n<h3>\u8fb9\u7f18\u8282\u70b9\u6e32\u67d3<\/h3>\n\n\n\n<p>\u8fb9\u7f18\u8282\u70b9\u6e32\u67d3\uff0c\u6307\u7684\u662f\u5229\u7528 CDN \u7684\u8ba1\u7b97\u80fd\u529b\uff0c\u5c06 BFF \u5c42\u524d\u79fb\uff0c\u8fdb\u4e00\u6b65\u4f18\u5316 TTFB \u7b49\u6027\u80fd\u6307\u6807\u3002<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/143972047\">\u8fd9\u7bc7\u6587\u7ae0<\/a>\u4ecb\u7ecd\u4e86\u4e00\u79cd\u5e38\u89c1\u7684\u8fb9\u7f18\u8282\u70b9\u6e32\u67d3\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u53c2\u8003\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u5728\u6d41\u5f0f+\u5206\u5757\u6e32\u67d3\u7684\u57fa\u7840\u4e0a\uff0c\u5c06\u670d\u52a1\u7aef\u6e32\u67d3\u524d\u79fb\u5230\u4e86 CDN \u8282\u70b9\u3002\u5ba2\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42\u65f6\uff0cCDN \u8d1f\u8d23\u6e32\u67d3\u670d\u52a1\u7aef\u9875\u9762\u5148\u8fd4\u56de\uff0c\u7136\u540e CDN \u5f00\u59cb\u8bf7\u6c42\u540e\u7aef\u670d\u52a1\u83b7\u5f97\u6570\u636e\uff0c\u5b8c\u6210\u540e\u7ee7\u7eed\u4ee5\u6d41\u5f0f\u6e32\u67d3\u7684\u65b9\u5f0f\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u80fd\u591f\u964d\u4f4e TTFB\uff0c\u540c\u65f6\u5ba2\u6237\u7aef\u65e9\u4e00\u6b65\u83b7\u5f97 HTML \u5185\u5bb9\u5c31\u53ef\u4ee5\u65e9\u4e00\u6b65\u5f00\u59cb\u4e0b\u8f7d JavaScript \u7b49\u8d44\u6e90\u6587\u4ef6\uff0c\u964d\u4f4e\u9875\u9762\u9996\u6b21\u53ef\u4ea4\u4e92\u65f6\u95f4\u7b49\u6027\u80fd\u6307\u6807\u3002<\/p>\n\n\n\n<h3>iOS \u7279\u4f9b\u4f18\u5316<\/h3>\n\n\n\n<p>\u5355\u72ec\u5f00\u4e00\u4e2a\u5c0f\u8282\u8bb2\u4e00\u4e2a iOS \u7279\u4f9b\u7684\u4f18\u5316\uff0c\u8fd9\u662f\u4e00\u4f4d\u77e5\u4e4e\u7528\u6237\u53d1\u73b0\u7684\uff0c\u4ee4\u4eba\u5341\u5206\u65e0\u8bed\u7684 Safari Bug\uff0c\u4f46\u662f iOS \u7528\u6237\u53c8\u90a3\u4e48\u591a\uff0c\u6ca1\u529e\u6cd5\uff0c\u4f18\u5316\u4e0b\u5427\u3002\u5b9e\u5728\u4e0d\u77e5\u9053\u8fd9\u79cd\u4e1c\u897f\u5e94\u8be5\u5f52\u5165\u54ea\u4e2a\u5c0f\u8282\u3002<\/p>\n\n\n\n<p>\u770b\u8fd9\u7bc7\u6587\u7ae0\u5c31\u597d\u5566\uff01-&gt; <a href=\"https:\/\/zhuanlan.zhihu.com\/p\/68290048\">https:\/\/zhuanlan.zhihu.com\/p\/68290048<\/a><\/p>\n\n\n\n<h2>\u7f51\u7edc\u4e0e\u7f13\u5b58<\/h2>\n\n\n\n<h3>CDN<\/h3>\n\n\n\n<p>\u5185\u5bb9\u5206\u53d1\u7f51\u7edc CDN \u5728\u73b0\u4ee3\u7f51\u7ad9\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u3002\u9759\u6001\u8d44\u6e90\u4e0d\u4f9d\u8d56\u670d\u52a1\u7aef\u8ba1\u7b97\uff0c\u4e3a\u4e86\u8ba9\u5ba2\u6237\u7aef\u66f4\u5feb\u4e0b\u8f7d\uff0c\u53ef\u4ee5\u5c06\u9759\u6001\u8d44\u6e90\u5206\u53d1\u5230 CDN \u670d\u52a1\u5668\u4e0a\u3002CDN \u670d\u52a1\u5668\u901a\u5e38\u79bb\u7528\u6237\u66f4\u8fd1\uff0c\u8fde\u63a5\u6027\u66f4\u597d\uff0c\u5982\u6b64\u5ba2\u6237\u7aef\u5c31\u80fd\u4ee5\u66f4\u5feb\u7684\u901f\u5ea6\u52a0\u8f7d\u9759\u6001\u8d44\u6e90\u4e86\u3002<\/p>\n\n\n\n<h3>HTTP\/2<\/h3>\n\n\n\n<p>HTTP\/2 \u76f8\u6bd4 HTTP\/1.1 \u800c\u8a00\u6709\u5927\u5e45\u7684\u6027\u80fd\u63d0\u5347\uff0c\u4e3b\u8981\u662f\u7531\u4e8e\uff1a<\/p>\n\n\n\n<ul>\n<li>\u5934\u90e8\u538b\u7f29\uff08HPACK\uff09<\/li>\n\n\n\n<li>\u4e8c\u8fdb\u5236\u534f\u8bae\uff0c\u4fe1\u606f\u5bc6\u5ea6\u66f4\u9ad8<\/li>\n\n\n\n<li>\u6539\u8fdb\u7684 Pipelining \u548c\u591a\u8def\u590d\u7528\uff0c\u652f\u6301\u8fde\u63a5\u590d\u7528\uff0c\u4e71\u5e8f\u8fd4\u56de<\/li>\n<\/ul>\n\n\n\n<p>\u843d\u5230\u5b9e\u9645\u4e0a\u7684\u6548\u679c\u5c31\u662f\u53ef\u4ee5\u660e\u663e\u63d0\u5347\u52a0\u8f7d\u901f\u5ea6\uff0c\u800c\u4e14\u57fa\u672c\u4e0a\u5728 HTTP\/2 \u4e0b\u4e0d\u9700\u8981\u518d\u8003\u8651\u6a21\u5757\u5206\u5272\u9700\u8981\u591a\u52a0\u8f7d\u6587\u4ef6\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u7684\u95ee\u9898\u3002\u5728 HTTP\/1.1 \u65f6\u4ee3\uff0c\u5f00\u53d1\u8005\u4eec\u5c06\u6240\u6709 JavaScript \u6253\u5305\u6210\u4e00\u4e2a\u6587\u4ef6\u6216\u8005\u5c3d\u91cf\u5c11\u7684\u6587\u4ef6\u7684\u4e00\u5927\u539f\u56e0\u662f\u6d4f\u89c8\u5668\u9650\u5236\u540c\u4e00 Host \u7684\u5e76\u53d1\u8fde\u63a5\u6570\uff08\u5728 Chrome \u4e0b\uff0c\u4e00\u4e2a Host \u7684\u5e76\u53d1\u8fde\u63a5\u4e0a\u9650\u662f 6\uff09\uff0c\u52a0\u8f7d 10 \u4e2a\u5916\u90e8 JavaScript \u6587\u4ef6\u53ef\u80fd\u5c31\u8981\u521b\u5efa 10 \u4e2a\u8fde\u63a5\uff0c\u9020\u6210\u963b\u585e\u3002\u5982\u679c\u8fd8\u6709\u5176\u4ed6\u56fe\u7247\u6587\u4ef6\u4e4b\u7c7b\u7684\u5c31\u66f4\u6324\u5360\u914d\u989d\u4e86\u3002\u6240\u4ee5\u4eba\u4eec\u53d1\u660e\u4e86\u6253\u5305\u3001\u96ea\u78a7\u56fe\u3001CDN \u5206\u57df\u540d\u7b49\u65b9\u6cd5\u6765\u7ed5\u5f00\u8fd9\u4e00\u9650\u5236\u3002\u5728 HTTP\/2 \u4e0b\uff0c\u7531\u4e8e\u4e00\u4e2a Host \u53ea\u4f1a\u521b\u5efa\u4e00\u4e2a\u8fde\u63a5\uff0c\u8fd9\u4e9b\u90fd\u662f\u65e0\u9700\u8003\u8651\u7684\u95ee\u9898\u4e86\u3002<\/p>\n\n\n\n<p>\u542f\u7528 HTTP\/2 \u9664\u4e86\u517c\u5bb9\u6027\u95ee\u9898\u5916\u5e94\u8be5\u6ca1\u6709\u4ec0\u4e48\u5f0a\u7aef\uff0c\u65e0\u8111\u5f00\u542f\u5427\u3002<\/p>\n\n\n\n<h3>\u7f13\u5b58<\/h3>\n\n\n\n<p>\u672c\u5c0f\u8282\u6240\u79f0\u7f13\u5b58\u7279\u6307 <a href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/HTTP\/Caching\">HTTP 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