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\nCDN\u7684\u5168\u79f0\u662fContent Delivery Network\uff0c\u5373\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\u3002\u5176\u76ee\u7684\u662f\u901a\u8fc7\u5728\u73b0\u6709\u7684Internet\u4e2d\u589e\u52a0\u4e00\u5c42\u65b0\u7684\u7f51\u7edc\u67b6\u6784\uff0c\u5c06\u7f51\u7ad9\u7684\u5185\u5bb9\u53d1\u5e03\u5230\u6700\u63a5\u8fd1\u7528\u6237\u7684\u7f51\u7edc\u201c\u8fb9\u7f18\u201d\uff0c\u4f7f\u7528\u6237\u53ef\u4ee5\u5c31\u8fd1\u53d6\u5f97\u6240\u9700\u7684\u5185\u5bb9\uff0c\u63d0\u9ad8\u7528\u6237\u8bbf\u95ee\u7f51\u7ad9\u7684\u54cd\u5e94\u901f\u5ea6\u3002CDN\u6709\u522b\u4e8e\u955c\u50cf\uff0c\u56e0\u4e3a\u5b83\u6bd4\u955c\u50cf\u66f4\u667a\u80fd\uff0c\u6216\u8005\u53ef\u4ee5\u505a\u8fd9\u6837\u4e00\u4e2a\u6bd4\u00a0\u55bb\uff1aCDN=\u66f4\u667a\u80fd\u7684\u955c\u50cf+\u7f13\u5b58+\u6d41\u91cf\u5bfc\u6d41\u3002\u56e0\u800c\uff0cCDN\u53ef\u4ee5\u660e\u663e\u63d0\u9ad8Internet\u7f51\u7edc\u4e2d\u4fe1\u606f\u6d41\u52a8\u7684\u6548\u7387\u3002\u4ece\u6280\u672f\u4e0a\u5168\u9762\u89e3\u51b3\u7531\u4e8e\u7f51\u7edc\u5e26\u5bbd\u5c0f\u3001\u7528\u6237\u8bbf\u95ee\u91cf\u5927\u3001\u7f51\u70b9\u5206\u5e03\u4e0d\u5747\u7b49\u95ee\u9898\uff0c\u63d0\u9ad8\u7528\u6237\u8bbf\u95ee\u7f51\u7ad9\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n
\n\u3000\u30004. \u5220\u9664\u4e0d\u9700\u8981\u7684\u8d44\u6e90<\/strong>
\n\u5f53\u4f60\u4e0d\u518d\u9700\u8981\u4e00\u4e2a\u7ec4\u4ef6\u7684\u65f6\u5019\uff0c\u4f60\u5e94\u8be5\u5220\u6389\u5b83\u7684CSS\u548cJavaScript\u4ee3\u7801\uff0c\u5982\u679c\u8fd9\u4e9b\u4ee3\u7801\u90fd\u5355\u72ec\u653e\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u90a3\u5220\u6389\u5b83\u4eec\u4e5f\u4e0d\u662f\u96be\u4e8b\uff0c\u4f46\u5982\u679c\u5df2\u7ecf\u6ca1\u6709\u7528\u7684\u4ee3\u7801\u548c\u5176\u5b83\u4ee3\u7801\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u90a3\u4f60\u80af\u5b9a\u8981\u8d39\u4e0d\u5c11\u7cbe\u529b\u53bb\u5220\u6389\u5b83\u4eec\u3002\u8fd9\u4e2a\u65f6\u5019\u4f60\u5c31\u9700\u8981\u4f7f\u7528\u7b2c\u4e09\u65b9\u7684\u5de5\u5177\u6765\u5e2e\u4f60\u4e00\u952e\u89e3\u51b3\uff0c\u6bd4\u5982JSLint<\/a>,\u00a0Dust-Me Selectors<\/a>,\u00a0CSS Usage<\/a>,\u00a0unused-css.com<\/a>\u00a0\u6216\u662f\u50cfgrunt-uncss<\/a>\u4e00\u6837\u7684\u6784\u5efa\u5de5\u5177\u3002
\n\u3000\u30005. \u901a\u7528\u548c\u6700\u5c0f\u5316CSS<\/strong>
\n\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u4e00\u4e2a\u5355\u72ec\u7684CSS\u6587\u4ef6\uff0c\u8ba9\u6bcf\u4e2a\u9875\u9762\u90fd\u8c03\u7528\u8fd9\u4e00\u4e2a\u5e03\u5c40\uff0c\u5f53\u7136\uff0c\u5982\u679c\u4f60\u60f3\u8981\u652f\u6301\u8001\u7248\u672c\u7684IE\uff0c\u4f60\u5c31\u5f97\u591a\u5f04\u4e00\u4e2aCSS\u6587\u4ef6\u3002\u5f53\u4f60\u628a\u5b83\u4eec\u6784\u5efa\u5230\u670d\u52a1\u5668\u4e0a\u4e4b\u524d\uff0c\u4f60\u5e94\u8be5\u628a\u4ee3\u7801\u95f4\u6240\u6709\u4e0d\u5fc5\u8981\u7684\u683c\u5f0f\u90fd\u5220\u6389\u3002<\/p>\ncopy file1.css+file2.css file.css<\/pre>\n<\/div>\n
cat file1.css file2.css > file.css<\/pre>\n<\/div>\n
\n\u3000\u30006. \u901a\u7528\u548c\u6700\u5c0f\u5316\u7684JavaScript<\/strong>
\n\u3000\u3000<\/strong>\u5e73\u5747\u6bcf\u4e2a\u9875\u9762\u52a0\u8f7d\u4e8618\u4e2ajavascript\u6587\u4ef6\uff0c\u867d\u7136\u628a\u50cfjQuery\u8fd9\u6837\u7684\u5e93\u6587\u4ef6\u5355\u72ec\u5206\u5f00\u975e\u5e38\u5b9e\u7528\uff0c\u4f46\u662f\u4f60\u81ea\u5df1\u7684JavaScript\u4ee3\u7801\u5e94\u8be5\u4fdd\u6301\u901a\u7528\u548c\u6700\u5c0f\u5316\u3002\u540c\u6837\u5f88\u591a\u7b2c\u4e09\u65b9\u7684\u5de5\u5177\u53ef\u4ee5\u5e2e\u4f60\u89e3\u51b3\u8fd9\u6837\u4e8b\u60c5\uff0c\u6bd4\u5982\u00a0YUI Compressor<\/a>,\u00a0Closure Compiler<\/a>\u00a0\u548c\u6211\u6700\u559c\u6b22\u7528\u7684\u00a0The JavaScript CompressorRater<\/a>\u3002\u7b80\u5316\u7684JavaScript\u4ee3\u7801\u4f1a\u52a0\u5feb\u7f51\u9875\u7684\u8bbf\u95ee\u901f\u5ea6\uff0c\u51cf\u5c11HTTP\u8bf7\u6c42\u6b21\u6570\u3002<\/p>\n\u3000\u30007. \u4f7f\u7528\u6b63\u786e\u7684\u56fe\u7247\u8def\u5f84<\/h3>\n
\n\u3000\u30008. \u8c03\u6574\u5927\u56fe\u7684\u5927\u5c0f<\/strong>
\n\u76ee\u524d\u667a\u80fd\u673a\u6240\u62cd\u51fa\u7684\u7167\u7247\u8d8a\u6765\u8d8a\u5927\uff0c\u4f60\u4e0d\u53ef\u80fd\u628a\u539f\u7167\u7247\u76f4\u63a5\u5c55\u793a\u5728\u9875\u9762\u4e2d\u3002\u666e\u901a\u7684\u7f16\u8f91\u5668\u90fd\u4f1a\u76f4\u63a5\u4e0a\u4f20\u539f\u56fe\uff0c\u8fd9\u6837\u4f1a\u8ba9\u9875\u9762\u7684\u52a0\u8f7d\u901f\u5ea6\u6162\u5230\u53e6\u4e00\u4e2a\u7ea7\u522b\u3002\u5728\u6b63\u5e38\u7684\u7167\u7247\u5904\u7406\u4e2d\uff0c\u4e00\u822c\u90fd\u6ca1\u6709\u5fc5\u8981\u7ed9\u7528\u6237\u9ad8\u8d28\u91cf\u7684\u56fe\u7247\u5c55\u793a\u3002\u6240\u4ee5\u4f60\u9700\u8981\u4e00\u4e2a\u81ea\u52a8\u8c03\u6574\u56fe\u7247\u5927\u5c0f\u7684\u5de5\u5177\u3002<\/p>\n
\n\u3000\u30009. \u8fdb\u4e00\u6b65\u538b\u7f29\u56fe\u7247<\/strong>
\n\u4ec5\u4ec5\u8c03\u4f18\u56fe\u7247\u7684\u5927\u5c0f\u662f\u4e0d\u591f\u7684\uff0c\u4f60\u5e94\u8be5\u901a\u8fc7\u7b2c\u4e09\u65b9\u5de5\u5177\u5bf9\u56fe\u7247\u8fdb\u884c\u5206\u6790\uff0c\u8fdb\u4e00\u6b65\u538b\u7f29\u56fe\u7247\u3002\u6bd4\u8f83\u597d\u7528\u7684\u5de5\u5177\u6709OptiPNG<\/a>,\u00a0PNGOUT<\/a>,\u00a0jpegtran<\/a>\u00a0\u548cjpegoptim<\/a>\u3002\u8fd9\u4e9b\u5de5\u5177\u5927\u90fd\u80fd\u5b89\u88c5\u6210\u72ec\u7acb\u7684\u5de5\u5177\u6216\u662f\u6574\u5408\u5230\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u53e6\u5916\u50cfSmush<\/a>\u8fd9\u6837\u7684\u5de5\u5177\uff0c\u8fd8\u53ef\u4ee5\u76f4\u63a5\u5728\u4e91\u7aef\u5904\u7406\u3002
\n\u3000\u300010. \u5220\u9664\u4e0d\u5fc5\u8981\u7684\u5b57\u4f53<\/strong>
\nWeb fonts\u5df2\u7ecf\u5f7b\u5e95\u6539\u53d8\u4e86\u5b57\u4f53\u7684\u8bbe\u8ba1\uff0c\u5b83\u51cf\u5c11\u4e86\u5f88\u591a\u4e0d\u5fc5\u8981\u7684\u6587\u672c\u3002\u7136\u800c\uff0c\u76ee\u524d\u7684\u5b57\u4f53\u4ecd\u7136\u4f1a\u7ed9\u4f60\u7684\u7f51\u9875\u5e26\u6765\u591a\u4f59\u7684\u5b57\u8282\u3002\u5982\u679c\u4f60\u4f7f\u7528\u8d85\u8fc7\u4e24\u79cd\u5b57\u4f53\uff0c\u8fd9\u5c31\u5df2\u7ecf\u5f00\u59cb\u5bf9\u6027\u80fd\u9020\u6210\u5f71\u54cd\u4e86\u3002
\n\u3000\u3000\u7ed3\u8bba<\/strong>
\n\u6211\u76f8\u4fe1\u5927\u90e8\u5206\u7f51\u7ad9\u90fd\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0a\u7684\u4f18\u5316\u51cf\u5c0f\u5927\u698230%-50%\u7684\u91cd\u91cf\uff0c\u4f46\u662f\u8eab\u4e3a\u4e00\u4e2a\u5b8c\u7f8e\u4e3b\u4e49\u7684\u5f00\u53d1\u8005\u8fd9\u662f\u8fdc\u8fdc\u4e0d\u591f\u7684\uff0c\u6211\u4eec\u5728\u63a5\u4e0b\u6765\u7684\u7cfb\u5217\u6587\u7ae0\u4e2d\u4f1a\u7ee7\u7eed\u5bf9\u7f51\u7ad9\u7626\u8eab\u8fdb\u884c\u6df1\u5165\u7814\u7a76<\/p>\n","protected":false},"excerpt":{"rendered":"