{"id":2073,"date":"2011-11-28T23:19:35","date_gmt":"2011-11-28T15:19:35","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=2073"},"modified":"2018-01-02T00:47:05","modified_gmt":"2018-01-01T16:47:05","slug":"seven-mistakes-that-make-websites-slow","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2011\/11\/seven-mistakes-that-make-websites-slow\/","title":{"rendered":"\u7ffb\u8bd1 &#8211; \u9ad8\u6027\u80fd\u7f51\u7ad9\u9700\u907f\u514d\u76847\u4e2a\u9519\u8bef"},"content":{"rendered":"<p>by <a href=\"http:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"http:\/\/www.zhangxinxu.com\/\">http:\/\/www.zhangxinxu.com<\/a><br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=2073\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=2073<\/a><\/p>\n<p>\u7ffb\u8bd1\u662f\u95e8\u4f53\u529b\u6d3b\uff0c\u6700\u540e\u4e00\u70b9\u5185\u5bb9\u5b9e\u5728\u6ca1\u56bc\u5934\uff0c\u6709\u4e9b\u6363\u7ce8\u7cca\uff0c\u7701\u4e86\u4e0d\u5c11\u5e9f\u8bdd\u3002<\/p>\n<div id=\"link\">\n\u539f\u6587\u5730\u5740\uff1a<a target=\"_blank\" href=\"http:\/\/www.sitepoint.com\/seven-mistakes-that-make-websites-slow\/\" title=\"http:\/\/www.sitepoint.com\/seven-mistakes-that-make-websites-slow\/\">http:\/\/www&#8230;-make-websites-slow\/<\/a><br \/>\n\u539f\u6587\u4f5c\u8005\uff1a<a title=\"Coach Wei\" target=\"_blank\" href=\"http:\/\/www.sitepoint.com\/author\/cwei\/\">Coach Wei<\/a><br \/>\n\u7ffb\u8bd1\u7f16\u8f91\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/\" title=\"http:\/\/www.zhangxinxu.com\/\" rel=\"author\">zhangxinxu<\/a>\n<\/div>\n<p>\u5047\u671f\u4e34\u8fd1\uff08\u5e94\u8be5\u6307\u611f\u6069\u8282\u548c\u5723\u8bde\u8282\uff09\uff0c\u516c\u53f8\u589e\u52a0\u4e86SEM\u65b9\u9762\u7684\u82b1\u8d39\uff0c\u5173\u6ce8SEO\uff0c\u4fee\u6539\u9875\u9762\u3002\u7136\u800c\uff0c\u4e3a\u4e86\u6700\u5927\u7684\u9500\u552e\u989d\uff0c\u8fd9\u4e9b\u65f6\u95f4\u3001\u8d22\u529b\u4e0a\u7684\u4ed8\u51fa\u53ef\u80fd\u5c31\u662f\u6253\u6c34\u6f02\u2014\u2014\u5982\u679c\u5047\u671f\u589e\u52a0\u4e86\u8bbf\u95ee\u91cf\u8ba9\u7f51\u7ad9\u901f\u5ea6\u53d8\u6162\u751a\u81f3\u4e0b\u53bb\u7684\u8bdd\u3002<\/p>\n<p>\u6027\u80fd\u5f71\u54cd\u7528\u6237\u662f\u6beb\u65e0\u7591\u95ee\u7684\u3002\u7f51\u7ad9\u901f\u5ea6\u76f4\u63a5\u5f71\u54cd\u53cd\u5f39\u7387\u3001\u8f6c\u5316\u7387\u3001\u6536\u5165\u3001\u7528\u6237\u6ee1\u610f\u5ea6\u3001\u641c\u7d22\u5f15\u64ce\u4f18\u5316\uff08\u5df2\u77e5\u7684\u5982\u53cd\u6620\u7f51\u7ad9\u6d41\u884c\u5ea6\u7684Page 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\u592a\u591a\u7684HTTP\u8bf7\u6c42<\/h3>\n<p>\u8fd9\u662f\u7edd\u5bf9\u591a\u6570\u7f51\u9875\u6027\u80fd\u95ee\u9898\u7684\u75c7\u7ed3\u6240\u5728\uff0c\u8bb8\u591a\u6709\u6548\u7684\u89e3\u51b3\u8be5\u95ee\u9898\u7684WPO\u6280\u672f\u662f\u5b8c\u5168\u4e0d\u540c\u7684\u65b9\u6cd5\uff0c\u4e0b\u9762\u5c31\u662f\u4e00\u4e9b\uff1a<\/p>\n<p><strong>\u5408\u5e76\u811a\u672c\u548c\u6837\u5f0f<\/strong><\/p>\n<div class=\"mb10\">\u7b80\u5355\u5730\u5c06\u811a\u672c\u6587\u4ef6\u4eec\u5408\u5e76\u6210\u4e00\u4e2a\u3002\u5bf9\u4e8e\u6837\u5f0f\uff0c\u53ef\u4ee5\u76f4\u63a5\u628a\u6240\u6709.css\u6587\u4ef6\u5408\u5e76\u6210\u4e00\u4e2a\u3002\u4eba\u5de5\u7ef4\u62a4\u9700\u8981\u5f88\u5927\u6210\u672c\uff0c\u4f46\u76ee\u524d\u6709\u81ea\u52a8\u5316\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/div>\n<p><strong>\u5408\u5e76\u56fe\u7247\u4e3aSprites<\/strong><\/p>\n<div class=\"mb10\">CSS Spriting\u5df2\u7ecf\u53d8\u6210\u4e3b\u6d41\u6280\u672f\u3002\u5176\u505a\u6cd5\u662f\u5c06\u5f88\u591a\u4e2a\u516c\u5171\u56fe\u7247\u5408\u5e76\u4e3a\u4e00\u4e2a\u5927\u7684\u56fe\u7247\u6587\u4ef6\uff0c\u7136\u540e\u4f60\u901a\u8fc7CSS\u63a7\u5236\u4f4d\u7f6e\u8ba9\u56fe\u7247\u9700\u8981\u7684\u5730\u65b9\u663e\u793a\u3002\u4e8e\u662f\uff0c\u544a\u522bN\u591a\u56fe\u7247\uff0c\u73b0\u5728\u53ea\u6709\u4e00\u4e2a\u3002<\/div>\n<p>\u4e8b\u5148\u63d0\u9192\u4e00\u53e5\uff0c\u8fd9\u4e2a\u6280\u672f\u7684\u7ef4\u62a4\u662f\u5f88\u6298\u817e\u7684\uff0c\u56e0\u4e3a\u5373\u4f7f\u662f\u4e2a\u5f88\u5c0f\u7684\u66f4\u6539\u4e5f\u8981\u66f4\u65b0\u6574\u4e2a\u56fe\u7247\u4ee5\u53caCSS\uff0c\u751a\u81f3\u662fHTML\u3002\u5e78\u8fd0\u7684\u662f\uff0cCSS spriting\u81ea\u52a8\u5316\u5de5\u5177\u5982<a href=\"http:\/\/spriteme.org\/\">SpriteMe<\/a>, <a href=\"http:\/\/compass-style.org\/help\/tutorials\/spriting\/\">Compass<\/a>, <a href=\"http:\/\/www.yottaa.com\/web-performance-optimization\">Yottaa<\/a><\/p>\n<p><strong>\u4f7f\u7528\u5c3d\u91cf\u5c11\u7684\u56fe\u7247<\/strong><\/p>\n<div>\u5728\u4e00\u4e2a\u9875\u9762\u4e0a\u884c\u4f7f\u7528\u592a\u591a\u56fe\u7247\u662f\u4e2a\u8001\u5927\u96be\u95ee\u9898\u4e86\uff0c\u5176\u5386\u53f2\u53ef\u4ee5\u8ffd\u6eaf\u5230\u53e4\u8001\u7684<code>img<\/code>\u6807\u7b7e\u3002\u4e00\u822c\u6709\u4e24\u7c7b\u89e3\u51b3\u65b9\u6cd5\u3002\u5176\u4e00\u662f\u4f7f\u7528CSS\u4ee3\u66ff\u56fe\u7247\u6587\u4ef6(background-color, border, buttons, hover\u6548\u679c\u7b49)\uff0c\u53e6\u5916\u5219\u662f\u5bf9\u5c0f\u56fe\u4f7f\u7528&#8221;<a target=\"_blank\" href=\"http:\/\/jonraasch.com\/blog\/css-data-uris-in-all-browsers\">data URIs<\/a>&#8220;<\/div>\n<p>\u5f53\u56fe\u7247\u5bf9\u4e8e\u9875\u9762\u662f\u5fc5\u9700\u7684\u60c5\u51b5\u4e0b\u6211\u4eec\u53ef\u4ee5\u8003\u8651\u56fe\u50cf\u7684\u5206\u9875\uff0c\u4f8b\u5982\u7535\u5b50\u5546\u52a1\u7684\u76ee\u5f55\u3002<\/p>\n<p>\u53e6\u5916\u7684\u89e3\u51b3\u65b9\u6cd5\u53ef\u80fd\u5c31\u6709\u4e9b\u5f3a\u786c\u4e86\uff1a\u5c31\u662f\u8ba9\u8bbe\u8ba1\u5e08\u6216\u662f\u4ea7\u54c1\u6240\u6709\u8005\u521b\u5efa\u7b80\u5355\u7684\u4e0d\u9700\u8981\u5f88\u591a\u56fe\u7247\u7684\u9875\u9762\u3002<\/p>\n<h3>2. \u5ba2\u6237\u7aef\u6700\u4f4e\u9650\u5ea6\u5904\u7406<\/h3>\n<p>\u5f88\u591a\u7ad9\u70b9\u4e0d\u80fd\u5f88\u597d\u5730\u8fd0\u7528\u5ba2\u6237\u7aef\u7684\u80fd\u529b\uff0c\u800c\u628a\u6240\u6709\u7684\u5de5\u4f5c\u90fd\u4ea4\u7ed9\u670d\u52a1\u5668\u3002\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5982\u8868\u5355\u9a8c\u8bc1\uff1a\u628a\u8868\u5355\u6570\u636e\u53d1\u9001\u7ed9\u670d\u52a1\u5668\uff0c\u5728\u670d\u52a1\u5668\u7aef\u9a8c\u8bc1\uff0c\u7136\u540e\u8fd4\u56de\u9519\u8bef\u4fe1\u606f\u3002oh, my GAGA, \u8fd9\u53ef\u4e0d\u662f\u4e00\u822c\u7684\u4f4e\u6548\u554a\u3002<\/p>\n<p><strong>\u5ba2\u6237\u7aef\u7684\u9a8c\u8bc1<\/strong><\/p>\n<div class=\"mb10\">\u76f8\u53cd\uff0c\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u7684\u4fe1\u606f\u5e94\u8be5\u5728\u9875\u9762\u5185\uff0c\u5c31\u5728\u8f93\u5165\u53d1\u751f\u7684\u5730\u65b9\u3002\u7531\u4e8e\u5b89\u5168\u7684\u539f\u56e0\uff0c\u7f51\u9875\u5e94\u7528\u7a0b\u5e8f\u4e5f\u5e94\u8be5\u5728\u670d\u52a1\u5668\u7aef\u9a8c\u8bc1\u3002web\u5b89\u5168\u51c6\u5219\u4e4b\u4e00\u5373\u662f\u4e0d\u80fd\u76f8\u4fe1\u7528\u6237\u7684\u8f93\u5165\u3002\u6240\u4ee5\uff0c\u5ba2\u6237\u7aef\u7684\u9a8c\u8bc1\u662f\u51fa\u4e8e\u6027\u80fd\u548c\u4ea4\u4e92\u7684\u539f\u56e0\uff0c\u800c\u670d\u52a1\u5668\u7aef\u7684\u9a8c\u8bc1\u662f\u51fa\u4e8e\u5b89\u5168\u539f\u56e0\u3002<\/div>\n<p><strong>\u4f7f\u7528\u7f51\u7edc\u6807\u51c6\u548cMVC\u5206\u79bb<\/strong><\/p>\n<div class=\"mb10\">\u4f7f\u7528web\u6807\u51c6\u5bf9\u4e8e\u521b\u5efa\u6613\u7ef4\u62a4\uff0c\u53ef\u8bbf\u95ee\uff0c\u6613\u8bc1\u660e\u7684\u7ad9\u70b9\u662f\u5f88\u5173\u952e\u7684\u3002\u5176\u4e5f\u6027\u80fd\u6700\u4f73\u5316\u6700\u597d\u7684\u57fa\u7840\u3002\u4f7f\u7528\u73b0\u4ee3\u7f51\u7edc\u6807\u51c6\u9f13\u52b1\u5185\u5bb9(HTML)\uff0c\u6837\u5f0f(CSS)\u548c\u884c\u4e3a(JavaScript)\u5206\u79bb\u3002<\/div>\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0c\u5386\u53f2\u60a0\u4e45\u7684<code>\"MVC\"[[Model\/View\/Controller]<\/code>\u8bbe\u8ba1\u6a21\u5f0f\u6b63\u5728\u4f60\u7684\u7f51\u7ad9\u4ee3\u7801\u4e2d\u53d1\u6325\u7740\u4f5c\u7528\u3002<\/p>\n<p>\u628aHTML\uff08\u5b9e\u4e3aDOM\uff09\u5f53\u4f5c<code>module<\/code>\uff0cCSS\u4f5c\u4e3a<code>view<\/code>\uff0cJavaScript\u4f5c\u4e3a<code>controller<\/code>\u3002\u8fd9\u79cd\u5206\u79bb\u4f1a\u4f7f\u4ee3\u7801\u66f4\u9ad8\u6548\uff0c\u66f4\u5229\u4e8e\u7ef4\u62a4\uff0c\u4e5f\u4f7f\u5f97\u5f88\u591a\u4f18\u5316\u6280\u672f\u7684\u5e94\u7528\u66f4\u4e3a\u53ef\u884c\u3002<\/p>\n<p><strong>\u6f14\u793a\u4ee3\u7801\u653e\u5230\u5ba2\u6237\u7aef<\/strong><\/p>\n<div class=\"mb10\">\u4e0a\u9762\u63d0\u5230\u7684\u8868\u5355\u9a8c\u8bc1\u7684\u4f8b\u5b50\uff0c\u5f88\u591a\u573a\u666f\u8981\u6c42\u5ba2\u6237\u7aef\u505a\u7684\u66f4\u591a\u3002\u56fe\u8868\u548c\u5f62\u72b6\u2014\u2014\u4efb\u4f55\u5f62\u5f0f\u8010\u770b\u7684\u53ef\u89c6\u5316\u6570\u636e\u2014\u2014\u66fe\u7ecf\u5fc5\u987b\u4f9d\u9760\u670d\u52a1\u5668\u7aef\u3002<\/div>\n<p>\u9ec4\u9e64\u4e00\u53bb\u4e0d\u590d\u8fd4\u3002\u73b0\u5728\u5b83\u5c31\u662f\u628a\u6570\u636e\u4ece\u670d\u52a1\u5668\u7aef\u63a8\u9001\u5230\u5ba2\u6237\u7aef\uff08\u4f8b\u5982JSON\u683c\u5f0f\uff09\uff0c\u7136\u540e\u4f7f\u7528CSS\u548cJavaScript\u5728\u6d4f\u89c8\u5668\u4e2d\u521b\u5efa\u6f02\u4eae\u7684\u56fe\u5f62\uff0c\u56fe\u8868\uff0c\u53ef\u89c6\u5316\u5185\u5bb9\u3002\u8fd9\u79cd\u65b9\u6cd5\u907f\u514d\u4e86\u5f88\u591a\u4e0e\u670d\u52a1\u5668\u7684\u4ea4\u4e92\uff0c\u53ef\u4ee5\u8bf4\uff0c\u670d\u52a1\u5668\u505a\u4e86\u66f4\u6709\u610f\u4e49\u7684\u4e8b\u60c5\u3002<\/p>\n<p>\u56e0\u4e3a\u4ec5\u4ec5\u662f\u63a8\u9001\u6570\u636e\uff0c\u56e0\u6b64\uff0c\u8282\u7ea6\u4e86\u670d\u52a1\u5668\u7684CPU\uff0c\u7f29\u77ed\u4e86\u7b49\u5f85\u65f6\u95f4\uff0c\u5e76\u5229\u7528\u672a\u5145\u5206\u5229\u7528\u7684\u8d44\u6e90\u63d0\u4f9b\u7ed9\u6bcf\u4e2a\u5ba2\u6237\u7aef\u3002\u6709\u4e0d\u5c11\u5f88\u8d5e\u7684\u5de5\u5177\u53ef\u4ee5\u6570\u636e\u7684\u53ef\u89c6\u5316\u5904\u7406\uff0c\u5305\u62ec\uff1a<a href=\"http:\/\/processingjs.org\/\">Processing<\/a>, <a href=\"http:\/\/mbostock.github.com\/d3\/\">D3<\/a> \u548c&nbsp; <a href=\"http:\/\/code.google.com\/p\/flot\/\">Flot<\/a><\/p>\n<p><strong>\u5229\u7528Ajax\u6280\u672f<\/strong><\/p>\n<div>\u53ea\u8ba9\u9875\u9762\u9700\u8981\u7684\u4e00\u5c0f\u90e8\u5206\u53bb\u54cd\u5e94\u7528\u6237\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8ba9\u4f60\u7684\u7f51\u7ad9\u6216web\u7a0b\u5e8f\u53d8\u5f97\u66f4\u52a0\u7684\u4e92\u52a8\u548c\u9ad8\u6548\u3002\u8fd9\u6709\u591a\u79cd\u65b9\u6cd5\uff08\u4f8b\u5982\u83b7\u53d6HTML\u6216\u811a\u672c\u6216\u6570\u636e\uff09\u3002\u5982\u679c\u4f60\u4e0d\u9700\u8981\u7684\u8bdd\uff0c\u4f60\u53ef\u4ee5\u4e0d\u8981\u5237\u65b0\u6574\u4e2a\u9875\u9762\uff01\u5982\u679c\u4f60\u8fd8\u672a\u52a0\u5165Ajax\u7684\u5927\u5bb6\u5ead\uff0c<a href=\"http:\/\/www.manning.com\/crane\/\">\u8fd9\u672c\u4e66<\/a>\u867d\u7136\u6709\u4e9b\u5e74\u5934\u4e86\u4f46\u662f\u6982\u8ff0\u662f\u76f8\u5f53\u68d2\u7684\uff01<\/div>\n<h3>3. \u4f4e\u5e76\u884c\u8bf7\u6c42\u6570<\/h3>\n<p>\u83b7\u53d6\u4e00\u4e2a\u811a\u672c\uff0c\u7136\u540e\u89e3\u6790\u5b83\uff0c\u6267\u884c\u5b83\uff0c\u518d\u83b7\u53d6\u4e0b\u4e00\u4e2a\uff0c\u5982\u6b64\u5f80\u590d\u3002\u7136\u540e\u4f7f\u7528\u6240\u6709\u53ef\u7528\u7684\u94fe\u63a5\uff0c\u4ece\u540c\u4e00\u4e2a\u670d\u52a1\u5668\u4e0b\u8f7d\u4e00\u4e9b\u56fe\u7247\u3002\u5b83\u4eec\u4e00\u65e6\u4e0b\u8f7d\u5b8c\u6bd5\uff0c\u7136\u540e\u83b7\u53d6\u5176\u4ed6\u3002\u542c\u4e0a\u53bb\u6709\u6548\uff1f\u4e8b\u5b9e\u5e76\u975e\u5982\u6b64\u3002\u7528\u6237\u7684\u5e26\u5bbd\u5f80\u5f80\u4e0d\u662f\u9650\u5236\u7684\u4e3b\u8981\u56e0\u7d20\uff0c\u76f8\u53cd\uff0c\u662f\u6ca1\u6709\u8003\u8651\u5230\u6d4f\u89c8\u5668\u7684\u884c\u4e3a\u4f4e\u6548\u7684\u6807\u8bb0\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u4e3e\u63aa\u8ba9\u6240\u6709\u6d4f\u89c8\u5668\u4e00\u6b21\u53ef\u4ee5\u53d1\u51fa\u66f4\u591a\u7684\u8bf7\u6c42\uff0c\u8fd9\u5bf9\u4e8e\u5ef6\u8fdf\u5f88\u6709\u6548\u679c\u3002<\/p>\n<p><strong>\u4f7f\u7528\u6d4f\u89c8\u5668\u76f8\u5e94\u57df\u5206\u533a<\/strong><\/p>\n<div class=\"mb10\">\u4e00\u4e9b\u8001\u7684\u5355\u4f9d\u65e7\u6d41\u884c\u7684\u6d4f\u89c8\u5668\uff0c\u5982IE7\uff0c\u6709\u4e2a\u79f0\u4e3a\u201c\u57df\u5206\u533a\u201d\u7684\u4e1c\u897f\u3002\u5177\u4f53\u6765\u8bb2\u5c31\u662f\u4f7f\u7528\u6307\u5411\u540c\u4e00\u670d\u52a1\u5668\u4f46\u4e0d\u540c\u7684\u57df\u540d\u6765\u63d0\u9ad8\u6bcf\u6b21\u9875\u9762\u7684\u8bf7\u6c42\u6570\u76ee\u3002\u4f8b\u5982<code>img1.foo.com<\/code>\u548c<code>img2.foo.com<\/code>\u8981\u6bd4\u5355\u7eaf\u4f7f\u7528<code>img.foo.com<\/code>\u4e24\u500d\u9ad8\u6548\u4e0b\u8f7d\u3002\u6ce8\u610f\uff0c\u5bf9\u4e8e\u65b0\u5174\u6d4f\u89c8\u5668\uff0c\u8fd9\u4e2a\u6280\u672f\u4e0d\u9002\u5408\uff0c\u56e0\u4e3a\u4f60\u9700\u8981\u627f\u62c5DNS\u6210\u672c\u800c\u5b9e\u9645\u5e76\u672a\u5e26\u6765\u4ec0\u4e48\u597d\u5904\u3002WPO\u5927\u5e08Steve Souders\u5bf9\u8fd9\u4e2a\u6743\u8861\u505a\u4e86\u5f88\u597d\u7684\u89e3\u91ca\u5de5\u4f5c\uff0c\u70b9\u51fb<a href=\"http:\/\/www.stevesouders.com\/blog\/2009\/05\/12\/sharding-dominant-domains\/\">\u8fd9\u91cc<\/a>\u3002<\/div>\n<p><strong>\u4f7f\u7528\u667a\u80fd\u811a\u672c\u52a0\u8f7d<\/strong><\/p>\n<div class=\"mb10\">\u73b0\u5728\u7684\u811a\u672c\u4e0b\u8f7d\u5668\u6fc0\u589e\uff0c\u8fd9\u4e9b\u53ef\u4ee5\u6700\u4f18\u5316\u591a\u4e2a\u811a\u672c\u4e0b\u8f7d\u7684\u6027\u80fd\u3002\u8fd9\u4e9b\u811a\u672c\u4e0b\u8f7d\u5668\u901a\u5e38\u90fd\u662f\u91c7\u7528\u5f02\u6b65\u4e0b\u8f7d\uff0c\u907f\u514d\u9ed8\u8ba4\u7684\u811a\u672c\u963b\u585e\u7b49\u95ee\u9898\u3002\u5173\u4e8e\u811a\u672c\u4e0b\u8f7d\uff0c\u53ef\u4ee5\u591a\u591a\u53c2\u8003\u300a\u9ad8\u6027\u80fd\u7f51\u7ad9\u8fdb\u9636\u6307\u5357\u300b\u4e00\u4e66\uff0c\u8fd9\u91cc\u4e0d\u591a\u5570\u55e6\u3002<\/div>\n<h3>4. \u6ca1\u6709\u4f7f\u7528\u6d4f\u89c8\u5668\u7f13\u5b58\u6216\u672c\u5730\u5b58\u50a8<\/h3>\n<p>\u663e\u7136\uff0c\u6700\u5feb\u7684\u83b7\u53d6\u8d44\u6e90\u7684\u65b9\u6cd5\u5c31\u662f\u4ece\u672c\u5730\u7f13\u5b58\u4e2d\u83b7\u53d6\u4e86\u3002<\/p>\n<p><strong>\u4f7f\u7528\u6b63\u786e\u7684header<\/strong><\/p>\n<div class=\"mb10\">\u4e3a\u9759\u6001\u8d44\u6e90\u8bbe\u7f6e\u957f\u65f6\u95f4\u7f13\u5b58\u5934\uff0c\u5c24\u5176\u662f\u8fd9\u4e9b\u8d44\u6e90\u88ab\u591a\u4e2a\u9875\u9762\u8c03\u7528\u7684\u65f6\u5019\uff0c\u8fd9\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u63d0\u9ad8\u6027\u80fd\u7684\u65b9\u6cd5\u3002\u56e0\u4e3a\u660e\u786e\u7684\u5ba2\u6237\u7aef\u7f13\u5b58\u5931\u6548\u662f\u4e0d\u53ef\u80fd\u7684\uff0c\u66f4\u65b0\u7f13\u5b58\u5185\u5bb9\u7684\u65b9\u6cd5\u4e00\u822c\u662f\u5bf9\u5176\u540d\u5b57\u8fdb\u884c\u5904\u7406\u3002<\/div>\n<p>\u8fd8\u6709\u53e6\u5916\u4e00\u79cd\u6280\u672f\uff0c\u5982\u679c\u4f60\u624b\u52a8\u505a\u7684\u8bdd\u4ee3\u4ef7\u8f83\u9ad8\uff0c\u5982\u679c\u81ea\u52a8\u5316\uff08\u4f8b\u5982\u901a\u8fc7\u811a\u672c\u6784\u5efa\uff09\u5c31\u5f88\u8fc5\u901f\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528<code>\"Expires\"<\/code>\u5934\u3002\u7531\u4e8e\u7ecf\u5e38\u66f4\u65b0\u5185\u5bb9\uff0c\u4f7f\u7528<code>\"Last-Modified\"<\/code>\u54cd\u5e94\u5934\uff0c\u4ee5\u4fbf\u5728\u6d4f\u89c8\u5668\u4e2d\u89e6\u53d1\u6761\u4ef6<code>\"If-Modified-Since\"<\/code>\u8bf7\u6c42\u3002\u6761\u4ef6\u8bf7\u6c42\u8981\u660e\u663e\u6162\u4e8e\u672c\u5730\u7f13\u5b58\u67e5\u627e\uff0c\u4f46\u8fdc\u8fdc\u9ad8\u4e8e\u4e00\u4e2a\u5b8c\u6574\u7684\u8fd4\u56de\u3002<\/p>\n<p>\u8fd9\u513f\u6709\u4e2a\u76f8\u5f53\u4e0d\u9519\u7684<a href=\"http:\/\/www.mnot.net\/cache_docs\/\">HTTP\u7f13\u5b58\u7efc\u8ff0<\/a>\u3002<\/p>\n<p><strong>\u4f7f\u7528\u672c\u5730\u5b58\u50a8(local storage)<\/strong><\/p>\n<div class=\"mb10\">\u4e00\u4e2aWPO\u65b0\u5229\u5668\u5c31\u662fHTML5\u4e2d\u7684local storage\u3002\u5bf9\u4e8e\u652f\u6301\u7684\u6d4f\u89c8\u5668\uff0c\u5176\u5b58\u50a8\u8981\u6bd4cookie\u7cbe\u786e\u5f88\u591a\u5f88\u591a\uff0c\u800c\u4e14\u8ddfcookie\u76f8\u6bd4\uff0c\u5176\u8bf7\u6c42\u65e0\u538b\u529b\u3002<\/div>\n<h3>5. \u7b2c\u4e09\u65b9\u63d2\u4ef6<\/h3>\n<p>\u7b2c\u4e09\u65b9\u7ec4\u4ef6\u5f88\u591a\u65f6\u5019\u5c31\u662f\u7f51\u9875\u6027\u80fd\u7978\u6839\u3002<\/p>\n<p><strong>\u907f\u514d\u7b2c\u4e09\u65b9\u63d2\u4ef6<\/strong><\/p>\n<div class=\"mb10\">\u5fc5\u8981\u7684\u63d2\u4ef6\u6709\u65f6\u5019\u8fd8\u662f\u9700\u8981\u7684\uff0c\u4f46\u662f\uff0c\u4e3a\u4e86\u907f\u514d\u6700\u540e\u641e\u5f97\u50cf\u761f\u75ab\u4e00\u6837\uff0c\u907f\u514d\u4f7f\u7528\u4e4b\u3002<\/div>\n<p><strong>\u4f7f\u7528\u5f02\u6b65\u5b9e\u73b0<\/strong><\/p>\n<div class=\"mb10\">\u5bf9\u4e8e\u5c1d\u8bd5\u4f7f\u7528\u7684\u63d2\u4ef6\uff0c\u6700\u597d\u91c7\u7528\u5f02\u6b65\u5b9e\u73b0\u3002\u4ee5\u907f\u514d\u5176\u7cdf\u7cd5\u7684\u6027\u80fd\u62d6\u7d2f\u4f60\u6574\u4e2a\u9875\u9762\u7684\u4ea4\u4e92\u4f53\u9a8c\u3002<\/div>\n<p><strong>\u6027\u80fd\u6d4b\u91cf\uff08\u505c\u6b62\u4f7f\u7528\u4f4e\u6027\u80fd\u7684\uff09<\/strong><\/p>\n<div class=\"mb10\">\u5982\u9898\u3002<\/div>\n<h3>6. \u592a\u591a\u7684\u5b57\u8282\u6570<\/h3>\n<p>\u6709\u4e0d\u5c11\u65b9\u6cd5\u53ef\u4ee5\u8ba9\u54cd\u5e94\u7684\u5c3a\u5bf8\u66f4\u5c0f\u3002<\/p>\n<p><strong>\u538b\u7f29<\/strong><\/p>\n<div class=\"mb10\">\u4e00\u4e2a\u5f88\u660e\u663e\u4e5f\u5f88\u91cd\u8981\u7684\u65b9\u6848\u5c31\u662f\u5f15\u5165\u538b\u7f29(gzip)\u3002\u5ba2\u6237\u7aef\u8f7b\u5fae\u7684\u89e3\u538b\u6027\u80fd\u635f\u5931\u901a\u5e38\u901a\u8fc7\u8f83\u5c11\u5ef6\u8fdf\uff0c\u548c\u8f83\u5c11\u5b57\u8282\u7f13\u89e3\u3002\u5728\u670d\u52a1\u5668\u7aef\uff0c\u9884\u538b\u7f29\u9759\u6001\u8d44\u6e90\u6709\u52a9\u4e8e\u8f83\u5c0fCPU\u7684\u5f00\u9500\u3002\u50cfApache\u7684mod_deflate\u4e2d\u7684\u670d\u52a1\u5668\u7aef\u89e3\u51b3\u65b9\u6848\uff0c\u538b\u7f29\u52a8\u6001\u5185\u5bb9\uff0c\u4ee5\u786e\u4fdd\u538b\u7f29\u7684\u5185\u5bb9\u53d1\u9001\u5230\u5ba2\u6237\u7aef\u5e76\u53ef\u4ee5\u5904\u7406\u5b83\uff08\u50cf\u8bf7\u6c42\u5934\u8868\u793a\u7684<code>\"Accept - Encoding:GZIP, DEFLATE\"<\/code>\uff09\u3002<\/div>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\u548c\u7f13\u5b58\u76f8\u7ed3\u5408\u7684\u538b\u7f29\u3002\u786e\u4fdd\u4f7f\u7528<code>\"Vary: Accept-Encoding\"<\/code>\u5934\uff0c\u4ee5\u4fbf\u7f13\u5b58\u53ef\u4ee5\u54cd\u5e94\u5408\u9002\u7684\u8bf7\u6c42\u5185\u5bb9\u3002<\/p>\n<p>\u5176\u4ed6\u6280\u672f\u5305\u62ec\uff1a<\/p>\n<ul id=\"ul\">\n<li>\u66f4\u5f7b\u5e95\u7684\u5185\u5bb9\u7f16\u8f91<\/li>\n<li>\u56fe\u50cf\u4f18\u5316(http:\/\/www.smushit.com\/ysmush.it\/)<\/li>\n<li>JavaScript\u548cCSS\u91cd\u6784\u548c\u6700\u5c0f\u5316<\/li>\n<li>\u5ba2\u6237\u7aef\u4ee3\u7801\u91cd\u7528<\/li>\n<li>\u5206\u9875<\/li>\n<li>Ajax<\/li>\n<li>cookie\u7684\u57df\uff08\u56fe\u7247\u7b49\u9759\u6001\u8d44\u6e90\uff09<\/li>\n<\/ul>\n<h3>7. \u672a\u4f7f\u7528\u5168\u7403\u7f51\u7edc<\/h3>\n<p>\u53e6\u4e00\u4e2a\u5e38\u89c1\u9519\u8bef\u5c31\u662f\u5ffd\u7565\u5730\u7406\u4f4d\u7f6e\u3002\u5982\u679c\u60a8\u7684\u7f51\u7ad9\u662f\u5728\u7ebd\u7ea6\u5e02\u7684\u6570\u636e\u4e2d\u5fc3\u6258\u7ba1\uff0c\u5728\u52a0\u5229\u798f\u5c3c\u4e9a\u5dde\u7684\u7528\u6237\u548c\u6ce2\u58eb\u987f\u7684\u7528\u6237\uff08\u66f4\u4e0d\u7528\u8bf4\u4e9a\u6d32\uff09\u6709\u4e00\u4e2a\u5de8\u5927\u5dee\u5f02\u7684\u5ef6\u8fdf\u3002\u4f20\u7edfDNS\u670d\u52a1\u5185\u5bb9\u626e\u6f14\u7684\u662f\u8fb9\u7f18\u89d2\u8272\u3002\u4f7f\u7528\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\u53d1\u5e03\u5185\u5bb9\u81f3\u66f4\u591a\u7684\u5730\u70b9\uff0c\u4f7f\u7528\u6237\u603b\u662f\u4ece\u4ed6\u4eec\u9644\u8fd1\u7684\u670d\u52a1\u5668\u83b7\u53d6\uff0c\u8fd9\u6bd4DNS\u66f4\u597d\u3002<\/p>\n<p>\u50cfYottaa\u5c16\u7aef\u7684\u7f51\u7edc\u6027\u80fd\u4f18\u5316\u670d\u52a1\uff0c\u53ef\u4ee5\u8de8\u591a\u4e2a\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\u7684\u8def\u7531\u8bf7\u6c42\u60a8\u7684\u7f51\u9875\uff0c\u5176\u5185\u5bb9\u5206\u53d1\u5230\u4e16\u754c\u5404\u5730\u7684\u7528\u6237\uff0c\u4ee3\u8868\u4e86\u4e0d\u540c\u5730\u57df\u7528\u6237\u4f18\u5316\u7684\u4e0b\u4e00\u4ee3\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u6027\u80fd\u95ee\u9898\uff0c\u7279\u522b\u662f\u5728\u5047\u671f\u524d\u540e\u3002\u5728\u9ed1\u8272\u661f\u671f\u4e94\uff0c\u7f51\u7edc\u661f\u671f\u4e00\u4e4b\u524d\uff0c\u8861\u91cf\u4f60\u7684\u7f51\u7ad9\u7684\u6027\u80fd\uff0c\u7136\u540e\u6539\u8fdb\u5b83\u3002<\/p>\n<p>\u4e0d\u7ba1\u4f60\u662f\u624b\u5de5\uff0c\u662f\u5173\u6ce8\u5efa\u7acb\u65f6\u95f4\uff0c\u662f\u90e8\u7f72\u65f6\u95f4\uff0c\u8fd8\u662f\u670d\u52a1\u5668\u54cd\u5e94\u65f6\u95f4\uff0c\u6216\u662f\u5728\u4e91\u7aef\u5904\u7406\u4f60\u6700\u559c\u6b22\u7684\u6027\u80fd\u4f18\u5316\u670d\u52a1\u2026\u2026Just do it!<\/p>\n<h3>\u6269\u5c55\u8d44\u6e90\u548c\u5176\u4ed6\u9605\u8bfb<\/h3>\n<p><a href=\"https:\/\/getfirebug.com\/\">Firebug<\/a><br \/><a href=\"http:\/\/developer.yahoo.com\/yslow\/\">YSlow<\/a><br \/><a href=\"http:\/\/www.webpagetest.org\">WPT<\/a><br \/><a  href=\"http:\/\/ajax.dynatrace.com\/ajax\/en\/\">dynaTrace<\/a><br \/><a href=\"http:\/\/www.yottaa.com\">Yottaa<\/a><br \/><a href=\"http:\/\/stevesouders.com\/hpws\/ \">High Performance Web Sites<\/a><br \/><a href=\"http:\/\/stevesouders.com\/efws\/ \">Even Faster Web Sites<\/a><br \/><a href=\"http:\/\/www.bookofspeed.com\/\">Book of Speed<\/a><br \/><a href=\"http:\/\/www.web2expo.com\/\">Web2.0 Expo<\/a><br \/><a href=\"http:\/\/velocityconf.com\/\">Velocity Conference<\/a><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81ea<a href=\"http:\/\/www.zhangxinxu.com\/\">\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<\/a>[<a href=\"http:\/\/www.zhangxinxu.com\/\">http:\/\/www.zhangxinxu.com<\/a>]<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=2073\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=2073<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5047\u671f\u4e34\u8fd1\uff08\u5e94\u8be5\u6307\u611f\u6069\u8282\u548c\u5723\u8bde\u8282\uff09\uff0c\u516c\u53f8\u589e\u52a0\u4e86SEM\u65b9\u9762\u7684\u82b1\u8d39\uff0c\u5173\u6ce8SEO\uff0c\u4fee\u6539\u9875\u9762\u3002\u7136\u800c\uff0c\u4e3a\u4e86\u6700\u5927\u7684\u9500\u552e\u989d\uff0c\u8fd9\u4e9b\u65f6\u95f4\u3001\u8d22\u529b\u4e0a\u7684\u4ed8\u51fa\u53ef\u80fd\u5c31\u662f\u6253\u6c34\u6f02\u2014\u2014\u5982\u679c\u5047\u671f\u589e\u52a0\u4e86\u8bbf\u95ee\u91cf\u8ba9\u7f51\u7ad9\u901f\u5ea6\u53d8\u6162\u751a\u81f3\u4e0b\u53bb\u7684\u8bdd\u3002<br \/>\n\u6027\u80fd\u5f71\u54cd\u7528\u6237\u662f\u6beb\u65e0\u7591\u95ee\u7684\u3002\u7f51\u7ad9\u901f\u5ea6\u76f4\u63a5\u5f71\u54cd\u53cd\u5f39\u7387\u3001\u8f6c\u5316\u7387\u3001\u6536\u5165\u3001\u7528\u6237\u6ee1\u610f\u5ea6\u3001\u641c\u7d22\u5f15\u64ce\u4f18\u5316\uff08\u5df2\u77e5\u7684\u5982\u53cd\u6620\u7f51\u7ad9\u6d41\u884c\u5ea6\u7684Page Rank\uff09\u4ee5\u53ca\u51e0\u4e4e\u6240\u6709\u503c\u5f97\u8ffd\u8e2a\u7684\u4e1a\u52a1\u3002\u7528\u6237\u79bb\u5f00\u901f\u5ea6\u6162\u7684\u7f51\u7ad9\uff0c\u800c\u4e14\u5f80\u5f80\u4e0d\u4f1a\u518d\u56de\u6765\u3002<br \/>\n\u8fd8\u5728\u4e0d\u4e45\u524d\uff0c\u7528\u6237\u79bb\u5f00\u4e00\u4e2a\u7f51\u7ad9\u7684\u65f6\u95f4\u70b9\u662f8\u79d2\u3002\u7136\u800c\uff0c\u5f88\u5feb\u5c31\u662f6\u79d2\uff0c\u7136\u540e4\u79d2\uff0c\u7136\u540e\u73b0\u5728\u662f2\u79d2\u2026\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[198],"tags":[359,356,569,659,443,355],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/2073"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=2073"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/2073\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=2073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=2073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=2073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}