{"id":4937,"date":"2024-07-06T13:33:25","date_gmt":"2024-07-06T05:33:25","guid":{"rendered":"https:\/\/seo.tenten.co\/en\/?p=4937"},"modified":"2024-07-06T13:39:15","modified_gmt":"2024-07-06T05:39:15","slug":"google-lighthouse-an-ethical-hackers-manual-for-enhancing-user-experience-and-search-engine-visibility-2024","status":"publish","type":"post","link":"https:\/\/seo.tenten.co\/zh_cn\/advanced-seo\/google-lighthouse-\u4e00\u672c\u7528\u4e8e\u589e\u5f3a\u7528\u6237\u4f53\u9a8c\u548c\u641c\u7d22\u5f15\u64ce\u53ef\u89c1\u6027\u7684\u9053\/","title":{"rendered":"Google Lighthouse\uff1a\u9053\u5fb7\u9ed1\u5ba2\u624b\u518c\uff0c\u7528\u4e8e\u589e\u5f3a\u7528\u6237\u4f53\u9a8c\u548c\u641c\u7d22\u5f15\u64ce\u53ef\u89c1\u6027 (2024)"},"content":{"rendered":"<p>Google Lighthouse \u662f\u6e38\u620f\u5316\u548c\u9f13\u52b1\u5f00\u53d1\u4eba\u5458\u63d0\u9ad8\u7f51\u9875\u6027\u80fd\u7684\u6700\u6709\u6548\u65b9\u6cd5\u4e4b\u4e00\u3002\u5229\u7528 Lighthouse\uff0c\u6211\u4eec\u80fd\u591f\u6839\u636e\u6574\u4f53\u6709\u6548\u6027\u3001\u53ef\u8bbf\u95ee\u6027\u3001SEO \u548c Google \u9996\u9009\u7684\u201c\u6700\u4f73\u5b9e\u8df5\u201d\u6765\u8bc4\u4f30\u7f51\u9875 - \u53ea\u9700\u6309\u4e00\u4e0b\u6309\u94ae\u5373\u53ef\u3002<\/p>\n<p>\u8fd9\u4e9b\u6d4b\u8bd5\u53ef\u7528\u4e8e\u8bc4\u4f30\u524d\u7aef\u6846\u67b6\u7684\u9ed8\u8ba4\u6027\u80fd\uff0c\u6216\u5c55\u793a\u901a\u8fc7\u7cbe\u5fc3\u91cd\u7ec4\u5b9e\u73b0\u7684\u6548\u7387\u6539\u8fdb\u3002\u5728\u793e\u4ea4\u5a92\u4f53\u4e0a\u5c55\u793a\u60a8\u65e0\u53ef\u6311\u5254\u7684 Lighthouse \u8bc4\u7ea7\u65e0\u7591\u662f\u4ee4\u4eba\u6b23\u6170\u7684\u3002\u8fd9\u662f\u4e00\u9879\u503c\u5f97\u70ed\u70c8\u5e86\u795d\u7684\u4ee4\u4eba\u5c0a\u656c\u7684\u6210\u5c31\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/iMFkp1S.gif\" alt=\"\u52a8\u753b gif \u663e\u793a Google \u706f\u5854\u4e0a\u7684 4 x 100 \u4e2a\u8bc4\u5206\uff0c\u5468\u56f4\u4e94\u5f69\u7eb8\u5c51\u56db\u6563\" \/><\/p>\n<p>Lighthouse \u6fc0\u53d1\u4e86\u6211\u4eec\u8fd9\u4e9b\u5f00\u53d1\u4eba\u5458\u5bf9\u6027\u80fd\u7684\u8ba8\u8bba\uff0c\u8fd9\u4e00\u7b80\u5355\u4e8b\u5b9e\u672c\u8eab\u5c31\u662f\u4e00\u9879\u80dc\u5229\u3002\u7136\u800c\uff0c\u5c3d\u7ba1\u8fd9\u4e2a\u95ee\u9898\u7684\u91cd\u8981\u6027\u4e0d\u8a00\u800c\u55bb\uff0c\u4f46 Web \u6027\u80fd\u8981\u590d\u6742\u5f97\u591a\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8 Google Lighthouse \u6027\u80fd\u8bc4\u4f30\u80cc\u540e\u7684\u65b9\u6cd5\uff0c\u5e76\u5229\u7528\u8fd9\u4e9b\u77e5\u8bc6\uff0c\u52aa\u529b\u64cd\u7eb5\u8fd9\u4e9b\u7ed3\u679c\uff0c\u4ee5\u5229\u4e8e\u6211\u4eec\u3002 <strong>\u4e00\u5207\u90fd\u662f\u4e3a\u4e86\u4eab\u53d7\u548c\u63a2\u7d22<\/strong> \u2013 \u6700\u7ec8\uff0cLighthouse \u53ef\u4ee5\u4f5c\u4e3a\u8bca\u65ad\u6027\u80fd\u95ee\u9898\u7684\u53ef\u9760\u4f46\u7c97\u7565\u7684\u6307\u5357\u3002\u8ba9\u6211\u4eec\u73a9\u4e00\u73a9\u5b83\uff0c\u770b\u770b\u6211\u4eec\u80fd\u5728\u591a\u5927\u7a0b\u5ea6\u4e0a\u8d85\u8d8a Lighthouse\uff0c\u4ece\u800c\u7ed9\u51fa\u6bd4\u6211\u4eec\u5408\u7406\u83b7\u5f97\u7684\u5206\u6570\u66f4\u9ad8\u7684\u5206\u6570\u3002<\/p>\n<p>\u4f46\u5728\u6b64\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u5148\u6df1\u5165\u7814\u7a76\u6570\u636e\u3002<\/p>\n<h2><a id=\"field-data-is-essential-field-data-is-essential\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#field-data-is-important\"><\/a>\u73b0\u573a\u6570\u636e\u81f3\u5173\u91cd\u8981<\/h2>\n<p>\u672c\u5730\u6027\u80fd\u8bc4\u4f30\u53ef\u4ee5\u63d0\u4f9b\u6709\u5173\u60a8\u7684\u7f51\u7ad9\u6027\u80fd\u662f\u5426\u5728\u671d\u7740\u79ef\u6781\u7684\u65b9\u5411\u53d1\u5c55\u7684\u5b9d\u8d35\u89c1\u89e3\uff0c\u4f46\u5b83\u4eec\u5e76\u4e0d\u80fd\u5b8c\u5168\u53cd\u6620\u73b0\u5b9e\u60c5\u51b5\u3002\u4e92\u8054\u7f51\u662f\u4e00\u4e2a\u65e0\u9650\u591a\u6837\u5316\u7684\u9886\u57df\uff0c\u603b\u7684\u6765\u8bf4\uff0c\u6211\u4eec\u53ef\u80fd\u5df2\u7ecf\u5fd8\u8bb0\u4e86\u8bbf\u95ee\u7f51\u7ad9\u7684\u4e2a\u4eba\u4f7f\u7528\u7684\u5404\u79cd\u8bbe\u5907\u3001\u4e92\u8054\u7f51\u901f\u5ea6\u3001\u5c4f\u5e55\u5c3a\u5bf8\u3001\u6d4f\u89c8\u5668\u548c\u6d4f\u89c8\u5668\u7248\u672c\u2014\u2014\u6240\u6709\u8fd9\u4e9b\u90fd\u4f1a\u5f71\u54cd\u9875\u9762\u6027\u80fd\u548c\u7528\u6237\u4ea4\u4e92\u3002<\/p>\n<p>Sentry \u7b49\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u76d1\u63a7\u5de5\u5177\u4ece\u901a\u8fc7\u8bbe\u5907\u8bbf\u95ee\u60a8\u7f51\u7ad9\u7684\u771f\u5b9e\u7528\u6237\u90a3\u91cc\u6536\u96c6\u7684\u5927\u91cf\u73b0\u573a\u6570\u636e\uff0c\u4e0e\u5728\u53d7\u63a7\u60c5\u51b5\u4e0b\u4f7f\u7528\u9ad8\u6027\u80fd\u5f00\u53d1\u673a\u5668\u4ece\u5355\u4e2a\u6837\u672c\u83b7\u5f97\u7684\u5b9e\u9a8c\u5ba4\u6570\u636e\u76f8\u6bd4\uff0c\u5c06\u5bf9\u60a8\u7f51\u7ad9\u7684\u6027\u80fd\u63d0\u4f9b\u66f4\u7cbe\u786e\u7684\u8bc4\u4f30\u3002Philip Walton \u5728 2021 \u5e74\u53d1\u5e03\u7684 HTTP Archive \u6570\u636e\u663e\u793a\uff0c\u201c\u5728 Lighthouse \u4e0a\u83b7\u5f97 100 \u5206\u7684\u6240\u6709\u9875\u9762\u4e2d\uff0c\u8fd1\u4e00\u534a\u672a\u8fbe\u5230\u63a8\u8350\u7684\u6838\u5fc3 Web \u751f\u547d\u529b\u9608\u503c\u3002\u201d<\/p>\n<p>Web \u6027\u80fd\u8d85\u8d8a\u4e86\u5355\u4e00\u7684\u6838\u5fc3 Web \u91cd\u8981\u6307\u6807\u6216 Lighthouse \u6027\u80fd\u8bc4\u7ea7\u3002\u6211\u4eec\u7684\u8ba8\u8bba\u8d85\u8d8a\u4e86\u6211\u4eec\u6b63\u5728\u5904\u7406\u7684\u57fa\u672c\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<h2><a id=\"web-performance-encompasses-more-than-figures-web-performance-encompasses-more-than-figures\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#web-performance-is-more-than-numbers\"><\/a>Web \u6027\u80fd\u4e0d\u4ec5\u4ec5\u5305\u542b\u7edf\u8ba1\u6570\u636e<\/h2>\n<p><em>\u901f\u5ea6<\/em> \u7f51\u9875\u6027\u80fd\u8ba8\u8bba\u4e2d\uff0c\u7f51\u9875\u52a0\u8f7d\u901f\u5ea6\u662f\u4e3b\u8981\u5173\u6ce8\u70b9\u3002\u867d\u7136\u8fd9\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\uff0c\u4f46\u6211\u4eec\u5fc5\u987b\u627f\u8ba4\uff0c\u901f\u5ea6\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d7\u5230\u4e1a\u52a1\u76ee\u6807\u548c\u9500\u552e\u76ee\u6807\u7684\u5f71\u54cd\u3002Google \u5728 2018 \u5e74\u53d1\u5e03\u7684\u4e00\u4efd\u62a5\u544a\u6307\u51fa\uff0c\u4e00\u65e6\u9875\u9762\u52a0\u8f7d\u65f6\u95f4\u8d85\u8fc7\u4e09\u79d2\uff0c\u8df3\u51fa\u7387\u4e0a\u5347\u7684\u53ef\u80fd\u6027\u5c31\u4f1a\u589e\u52a0 32%\uff0c\u800c\u52a0\u8f7d\u65f6\u95f4\u8d85\u8fc7\u5341\u79d2\uff0c\u8df3\u51fa\u7387\u5c31\u4f1a\u98d9\u5347\u81f3 123%\u3002\u56e0\u6b64\uff0c\u6709\u5fc5\u8981\u52a0\u5feb\u9875\u9762\u52a0\u8f7d\u901f\u5ea6\uff0c\u4ee5\u63d0\u9ad8\u9500\u552e\u8f6c\u5316\u7387\u3002\u964d\u4f4e\u8df3\u51fa\u7387\u7684\u6838\u5fc3\u76ee\u7684\u662f\u52a0\u5feb\u9875\u9762\u52a0\u8f7d\u901f\u5ea6\u3002 <em>\u52a0\u8f7d\u4e2d<\/em>.<\/p>\n<p>\u4f46\u201c\u52a0\u8f7d\u901f\u5ea6\u66f4\u5feb\u201d\u7a76\u7adf\u610f\u5473\u7740\u4ec0\u4e48\uff1f\u6709\u4e00\u4e2a\u9608\u503c\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u9608\u503c\uff0c\u6211\u4eec\u5c31\u65e0\u6cd5\u4ece\u7269\u7406\u4e0a\u52a0\u5feb\u7f51\u9875\u7684\u52a0\u8f7d\u901f\u5ea6\u3002\u4eba\u7c7b\u2014\u2014\u4ee5\u53ca\u8fde\u63a5\u4ed6\u4eec\u7684\u670d\u52a1\u5668\u2014\u2014\u5206\u6563\u5728\u5168\u7403\u5404\u5730\uff0c\u800c\u5f53\u4ee3\u4e92\u8054\u7f51\u57fa\u7840\u8bbe\u65bd\u5728\u4efb\u4f55\u7ed9\u5b9a\u65f6\u95f4\u53ea\u80fd\u4f20\u8f93\u6709\u9650\u91cf\u7684\u6570\u636e\u3002<\/p>\n<p>\u95ee\u9898\u7684\u5173\u952e\u5728\u4e8e\uff0c\u9875\u9762\u52a0\u8f7d\u5e76\u4e0d\u662f\u67d0\u4e2a\u65f6\u523b\u53d1\u751f\u7684\u3002\u5728\u4e00\u7bc7\u9898\u4e3a\u201c\u901f\u5ea6\u662f\u4ec0\u4e48\uff1f\u201d\u7684\u6587\u7ae0\u4e2d\uff0cGoogle \u9610\u660e\u4e86\u9875\u9762\u52a0\u8f7d\u4e8b\u4ef6\u662f\uff1a<\/p>\n<blockquote>\n<p>\u6ca1\u6709\u4efb\u4f55\u5355\u4e00\u6307\u6807\u53ef\u4ee5\u5b8c\u5168\u6982\u62ec\u8fd9\u4e00\u4f53\u9a8c\u3002\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\u7684\u8bb8\u591a\u60c5\u51b5\u90fd\u4f1a\u5f71\u54cd\u7528\u6237\u662f\u5426\u8ba4\u4e3a\u52a0\u8f7d\u8fc7\u7a0b\u201c\u5feb\u901f\u201d\uff0c\u5982\u679c\u53ea\u5173\u6ce8\u5176\u4e2d\u4e00\u79cd\u60c5\u51b5\uff0c\u60a8\u53ef\u80fd\u4f1a\u5ffd\u7565\u5269\u4f59\u65f6\u95f4\u8303\u56f4\u5185\u53d1\u751f\u7684\u8d1f\u9762\u60c5\u51b5\u3002<\/p>\n<\/blockquote>\n<p>\u8fd9\u91cc\u7684\u5173\u952e\u672f\u8bed\u662f <em>\u7ecf\u9a8c<\/em>. \u771f\u6b63\u7684\u7f51\u7edc\u6027\u80fd\u8d85\u8d8a <em>\u6307\u6807<\/em> \u548c <em>\u901f\u5ea6<\/em>\uff0c\u66f4\u52a0\u6ce8\u91cd <em>\u6211\u4eec\u5982\u4f55\u770b\u5f85<\/em> \u9875\u9762\u52a0\u8f7d\u548c\u9875\u9762\u53ef\u64cd\u4f5c\u6027\u3002\u8fd9\u6beb\u4e0d\u8d39\u529b\u5730\u5c06\u6211\u4eec\u5f15\u5411\u4e86\u5173\u4e8e Google Lighthouse \u5982\u4f55\u8ba1\u7b97\u6027\u80fd\u8bc4\u7ea7\u7684\u8ba8\u8bba\u3002\uff08\u5b83\u4e0e\u901f\u5ea6\u7684\u5173\u7cfb\u663e\u7136\u6bd4\u4eba\u4eec\u60f3\u8c61\u7684\u8981\u5c11\u3002\uff09<\/p>\n<h2><a id=\"how-is-the-google-lighthouse-performance-score-determined-how-is-the-google-lighthouse-performance-score-calculated\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#how-is-the-google-lighthouse-performance-score-calculated\"><\/a>Google Lighthouse \u6027\u80fd\u5f97\u5206\u662f\u5982\u4f55\u786e\u5b9a\u7684\uff1f<\/h2>\n<p>Google Lighthouse \u6027\u80fd\u5f97\u5206\u7684\u8ba1\u7b97\u6d89\u53ca\u6838\u5fc3 Web \u91cd\u8981\u6307\u6807\uff08\u4f8b\u5982\u9996\u6b21\u5185\u5bb9\u7ed8\u5236 (FCP)\u3001\u6700\u5927\u5185\u5bb9\u7ed8\u5236 (LCP)\u3001\u7d2f\u79ef\u5e03\u5c40\u504f\u79fb (CLS)\uff09\u548c\u5176\u4ed6\u4e0e\u901f\u5ea6\u76f8\u5173\u7684\u6307\u6807\uff08\u4f8b\u5982\u901f\u5ea6\u6307\u6570 (SI) \u548c\u603b\u963b\u585e\u65f6\u95f4 (TBT)\uff09\u7684\u52a0\u6743\u5408\u5e76\uff0c\u8fd9\u4e9b\u6307\u6807 <strong>\u5728\u6574\u4e2a\u9875\u9762\u52a0\u8f7d\u65f6\u95f4\u7ebf\u4e0a\u90fd\u5f88\u660e\u663e<\/strong>.<\/p>\n<p>\u4ee5\u4e0b\u662f\u8fd9\u4e9b\u6307\u6807\u5728\u603b\u4f53\u5f97\u5206\u4e2d\u7684\u6743\u91cd\u660e\u7ec6\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u516c\u5236<\/th>\n<th>\u52a0\u6743\uff08%\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u603b\u963b\u585e\u65f6\u95f4 (TBT)<\/td>\n<td>30<\/td>\n<\/tr>\n<tr>\n<td>\u7d2f\u79ef\u5e03\u5c40\u504f\u79fb (CLS)<\/td>\n<td>25<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u5927\u7684\u5185\u5bb9\u6d82\u6599 (LCP)<\/td>\n<td>25<\/td>\n<\/tr>\n<tr>\n<td>\u9996\u6b21\u5185\u5bb9\u7ed8\u5236 (FCP)<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td>\u901f\u5ea6\u6307\u6570 (SI)<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6bcf\u4e2a\u6307\u6807\u7684\u6743\u91cd\u5206\u914d\u53ef\u4ee5\u8ba9\u6211\u4eec\u4e86\u89e3 Google \u5982\u4f55\u4f18\u5148\u8003\u8651\u6709\u52a9\u4e8e\u63d0\u4f9b\u5353\u8d8a\u7528\u6237\u4f53\u9a8c\u7684\u5404\u79cd\u5143\u7d20\uff1a<\/p>\n<h3><a id=\"1-a-web-page-should-respond-to-user-input-1-a-web-page-should-respond-to-user-input\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#1-a-web-page-should-respond-to-user-input\"><\/a>1. \u7f51\u9875\u5e94\u53ca\u65f6\u54cd\u5e94\u7528\u6237\u8f93\u5165<\/h3>\n<p>\u4e3b\u8981\u52a0\u6743\u6307\u6807\u662f <strong>\u603b\u963b\u585e\u65f6\u95f4 (TBT)<\/strong>\uff0c\u7528\u4e8e\u68c0\u67e5 <strong>\u9996\u6b21\u5185\u5bb9\u7ed8\u5236 (FCP)<\/strong> \u8bc6\u522b\u4e3b\u7ebf\u7a0b\u53ef\u80fd\u957f\u65f6\u95f4\u963b\u585e\u7684\u60c5\u51b5\uff0c\u4ece\u800c\u963b\u788d\u5bf9\u7528\u6237\u547d\u4ee4\u7684\u5feb\u901f\u54cd\u5e94\u3002\u53ea\u8981\u4e3b\u7ebf\u7a0b\u4e0a\u53d1\u751f JavaScript \u4efb\u52a1\u8d85\u8fc7 50 \u6beb\u79d2\uff0c\u4e3b\u7ebf\u7a0b\u5c31\u88ab\u89c6\u4e3a\u201c\u963b\u585e\u201d\u3002\u51cf\u5c11 TBT \u53ef\u786e\u4fdd\u7f51\u7ad9\u5bf9\u6709\u5f62\u7684\u7528\u6237\u64cd\u4f5c\uff08\u4f8b\u5982\u952e\u76d8\u8f93\u5165\u3001\u9f20\u6807\u70b9\u51fb\u7b49\uff09\u505a\u51fa\u54cd\u5e94\u3002<\/p>\n<h3><a id=\"2-a-web-page-should-render-valuable-content-without-unforeseen-visual-disruptions-2-a-web-page-should-render-valuable-content-with-no-unexpected-visual-shifts\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#2-a-web-page-should-load-useful-content-with-no-unexpected-visual-shifts\"><\/a>2. \u7f51\u9875\u5e94\u663e\u793a\u76f8\u5173\u5185\u5bb9\uff0c\u4e14\u4e0d\u51fa\u73b0\u610f\u5916\u7684\u89c6\u89c9\u6ce2\u52a8<\/h3>\n<p>\u968f\u540e\u6743\u91cd\u8f83\u5927\u7684 Lighthouse \u6307\u6807\u5305\u62ec <strong>\u6700\u5927\u7684\u5185\u5bb9\u6d82\u6599 (LCP)<\/strong> \u548c <strong>\u7d2f\u79ef\u5e03\u5c40\u504f\u79fb (CLS)<\/strong>\u3002LCP \u8868\u793a\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\u9875\u9762\u4e3b\u8981\u5185\u5bb9\u5df2\u7ecf\u5b8c\u6210\u7684\u9636\u6bb5 <em>\u60f3\u5fc5<\/em> \u5df2\u52a0\u8f7d\uff0c\u56e0\u6b64 <em>\u6709\u4ef7\u503c\u7684<\/em>.<\/p>\n<p>\u5728\u5047\u5b9a\u4e3b\u8981\u5185\u5bb9\u52a0\u8f7d\u5b8c\u6210\u540e\uff0c\u4fdd\u6301\u89c6\u89c9\u4e00\u81f4\u6027\u5bf9\u4e8e\u786e\u4fdd\u65e0\u7f1d\u7528\u6237\u53c2\u4e0e\u548c\u9632\u6b62\u610f\u5916\u89c6\u89c9\u4e2d\u65ad\u81f3\u5173\u91cd\u8981\u3002\u4e0d\u53d7\u7a81\u7136\u7684\u89c6\u89c9\u8fd0\u52a8 (CLS) \u7684\u5f71\u54cd\u3002\u7406\u60f3\u7684 LCP \u6d4b\u91cf\u662f\u4efb\u4f55\u4f4e\u4e8e 2.5 \u79d2\u7684\u6301\u7eed\u65f6\u95f4\uff08\u8fd9\u6bd4\u6211\u4eec\u9884\u671f\u7684\u8981\u957f\u5f97\u591a\uff0c\u8003\u8651\u5230\u6211\u4eec\u4e0d\u65ad\u52aa\u529b\u4f18\u5316\u6211\u4eec\u7684\u7f51\u7ad9\u4ee5 <em>\u5c3d\u5feb<\/em>).<\/p>\n<h3><a id=\"3-a-web-page-should-load-something-3-a-web-page-should-load-something\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#3-a-web-page-should-load-something\"><\/a>3. \u52a0\u8f7d\u7f51\u9875\u5185\u5bb9<\/h3>\n<p>\u8fd9 <strong>\u9996\u6b21\u5185\u5bb9\u7ed8\u5236 (FCP)<\/strong> \u6307\u6807\u8868\u793a\u9875\u9762\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\u7528\u6237\u80fd\u591f\u8fa8\u522b\u5c4f\u5e55\u4e0a\u5185\u5bb9\u7684\u521d\u59cb\u65f6\u523b\uff0c\u800c <strong>\u901f\u5ea6\u6307\u6570 (SI)<\/strong> \u8861\u91cf\u5728\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\u5185\u5bb9\u7684\u89c6\u89c9\u5448\u73b0\u901f\u5ea6\uff0c\u76f4\u5230\u9875\u9762\u8fbe\u5230\u201c\u5b8c\u6210\u201d\u72b6\u6001\u3002<\/p>\n<p>\u60a8\u7684\u9875\u9762\u8bc4\u4f30\u57fa\u4e8e\u4f7f\u7528 HTTP Archive \u4e2d\u7684\u6027\u80fd\u7edf\u8ba1\u6570\u636e\u5bf9\u5b9e\u9645\u7f51\u7ad9\u7684\u901f\u5ea6\u6d4b\u91cf\u3002\u503c\u5f97\u79f0\u8d5e\u7684 FCP \u6307\u6807\u4f4e\u4e8e 1.8 \u79d2\uff0c\u503c\u5f97\u79f0\u8d5e\u7684 SI \u6307\u6807\u4f4e\u4e8e 3.4 \u79d2\u3002\u8fd9\u4e9b\u57fa\u51c6\u6bd4\u4eba\u4eec\u5728\u8003\u8651\u901f\u5ea6\u65f6\u53ef\u80fd\u9884\u671f\u7684\u8981\u9ad8\u3002<\/p>\n<h2><a id=\"usability-is-favored-over-raw-speed-usability-is-favored-over-raw-speed\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#usability-is-favored-over-raw-speed\"><\/a>\u4f18\u5148\u8003\u8651\u53ef\u7528\u6027\u800c\u975e\u901f\u5ea6<\/h2>\n<p>Google Lighthouse \u7684\u6027\u80fd\u8bc4\u4f30\u65e0\u7591\u66f4\u6ce8\u91cd\u53ef\u7528\u6027\uff0c\u800c\u975e\u901f\u5ea6\u3002\u60a8\u7684 SI \u548c FCP \u53ef\u80fd\u8868\u73b0\u51fa\u8d85\u5feb\u7684\u901f\u5ea6\uff0c\u4f46\u5982\u679c\u60a8\u7684 LCP \u51fa\u73b0\u6e32\u67d3\u5ef6\u8fdf\uff0c\u7531\u4e8e\u590d\u6742\u7684\u56fe\u50cf\u6216\u5916\u90e8\u5185\u5bb9\u5bfc\u81f4\u89c6\u89c9\u504f\u79fb\u800c\u5bfc\u81f4 CLS\uff0c\u90a3\u4e48\u60a8\u7684\u6574\u4f53\u6027\u80fd\u8bc4\u4f30\u5c06\u6bd4\u60a8\u7684\u9875\u9762\u5728\u663e\u793a FCP \u65f6\u7565\u6709\u6ede\u540e\u4f46\u907f\u514d\u5bfc\u81f4\u4efb\u4f55 CLS \u7684\u60c5\u51b5\u66f4\u5dee\u3002\u672c\u8d28\u4e0a\uff0c\u5982\u679c JavaScript \u901a\u8fc7\u963b\u585e\u4e3b\u7ebf\u7a0b\u8d85\u8fc7 50 \u6beb\u79d2\u6765\u963b\u788d\u9875\u9762\u7684\u54cd\u5e94\u80fd\u529b\uff0c\u5219\u6027\u80fd\u8bc4\u4f30\u5c06\u53d7\u5230\u6bd4\u9875\u9762\u7565\u5fae\u5ef6\u8fdf\u663e\u793a FCP \u65f6\u66f4\u4e0d\u5229\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u6bcf\u4e2a\u6307\u6807\u7684\u6743\u91cd\u5982\u4f55\u5f71\u54cd\u6700\u7ec8\u7684\u6027\u80fd\u8bc4\u4f30\uff0c\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528 Lighthouse \u8bc4\u5206\u8ba1\u7b97\u5668\u4e0a\u7684\u6ed1\u52a8\u63a7\u4ef6\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8868\u683c\uff0c\u8bf4\u660e\u4e86\u504f\u91cd\u5355\u4e2a\u6307\u6807\u6743\u91cd\u5bf9\u603b\u4f53\u6027\u80fd\u8bc4\u4f30\u7684\u5f71\u54cd\uff0c\u8bc1\u660e\u4e86\u9875\u9762\u53ef\u7528\u6027\u548c\u54cd\u5e94\u6027\u6bd4\u901f\u5ea6\u66f4\u91cd\u8981\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u63cf\u8ff0<\/th>\n<th>FCP\uff08\u6beb\u79d2\uff09<\/th>\n<th>\u6a21\u62df\u4eba\u751f\uff09<\/th>\n<th>LCP\uff08\u6beb\u79d2\uff09<\/th>\n<th>TBT\uff08\u6beb\u79d2\uff09<\/th>\n<th>\u4e2d\u7acb\u8bc1\u5238<\/th>\n<th>LH \u8868\u73b0\u8bc4\u5206<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5c4f\u5e55\u5185\u5bb9\u663e\u793a\u5ef6\u8fdf<\/td>\n<td>6000<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>90<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5bb9\u52a0\u8f7d\u968f\u65f6\u95f4\u5ef6\u8fdf<\/td>\n<td>0<\/td>\n<td>5000<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>90<\/td>\n<\/tr>\n<tr>\n<td>\u9875\u9762\u4e3b\u8981\u90e8\u5206\u52a0\u8f7d\u5ef6\u8fdf<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>6000<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>76<\/td>\n<\/tr>\n<tr>\n<td>\u9875\u9762\u52a0\u8f7d\u671f\u95f4\u7684\u89c6\u89c9\u53d8\u5316<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>0.82<\/td>\n<td>76<\/td>\n<\/tr>\n<tr>\n<td>\u9875\u9762\u5bf9\u7528\u6237\u8f93\u5165\u6ca1\u6709\u54cd\u5e94<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>0<\/td>\n<td>2000<\/td>\n<td>0<\/td>\n<td>70<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Google Lighthouse \u6574\u4f53\u6027\u80fd\u5f97\u5206\u7684\u8ba1\u7b97\u65b9\u6cd5\u662f\u5c06\u6bcf\u4e2a\u539f\u59cb\u6307\u6807\u503c\u8f6c\u6362\u4e3a 0 \u5230 100 \u4e4b\u95f4\u7684\u5206\u6570\uff0c\u8be5\u5206\u6570\u57fa\u4e8e\u5176\u5728 Lighthouse \u5f97\u5206\u5206\u5e03\u4e2d\u7684\u4f4d\u7f6e\uff0c\u8be5\u5206\u6570\u6e90\u81ea HTTP Archive \u4e2d\u771f\u5b9e\u7f51\u7ad9\u6027\u80fd\u6570\u636e\u7684\u6027\u80fd\u6307\u6807\u3002\u4ece\u8fd9\u4e9b\u6570\u5b66\u5bc6\u96c6\u578b\u6570\u636e\u4e2d\u53ef\u4ee5\u5f97\u51fa\u4e24\u4e2a\u91cd\u8981\u7ed3\u8bba\uff1a<\/p>\n<ol>\n<li>\u60a8\u7684 Lighthouse \u6027\u80fd\u5f97\u5206\u662f\u6839\u636e\u771f\u5b9e\u7684\u7f51\u7ad9\u6027\u80fd\u6570\u636e\u6765\u5236\u5b9a\u7684\uff0c\u800c\u4e0d\u662f\u5b64\u7acb\u7684\u3002<\/li>\n<li>\u9274\u4e8e\u8bc4\u5206\u91c7\u7528\u5bf9\u6570\u6b63\u6001\u5206\u5e03\uff0c\u5404\u4e2a\u6307\u6807\u503c\u4e0e\u603b\u5206\u4e4b\u95f4\u7684\u76f8\u5173\u6027\u662f\u975e\u7ebf\u6027\u7684\uff0c\u8fd9\u8868\u660e\u867d\u7136\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u8868\u73b0\u4e0d\u4f73\u7684\u5206\u6570\uff0c\u4f46\u63d0\u9ad8\u5df2\u7ecf\u5f88\u9ad8\u7684\u5206\u6570\u53d8\u5f97\u66f4\u5177\u6311\u6218\u6027\u3002<\/li>\n<\/ol>\n<p><a href=\"https:\/\/i.imgur.com\/X1EXzMV.png\"><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/X1EXzMV.png\" alt=\"\u5bf9\u6570\u6b63\u6001\u5206\u5e03\u66f2\u7ebf\u7684\u53ef\u89c6\u5316\uff0c\u5de6\u4fa7\u8f83\u9ad8\uff0c\u53f3\u4fa7\u8f83\u4f4e\u3002\" \/><\/a><\/p>\n<p>\u8fdb\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u786e\u5b9a\u6307\u6807\u5206\u6570\uff0c\u5e76\u5728 developer.chrome.com \u4e0a\u4ee5\u5bf9\u6570\u6b63\u6001\u5206\u5e03\u66f2\u7ebf\u7684\u56fe\u5f62\u8868\u793a\u5f62\u5f0f\u5c55\u793a\u3002<\/p>\n<h2><a id=\"can-we-trick-google-lighthouse-can-we-trick-google-lighthouse\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#can-we-trick-google-lighthouse\"><\/a>\u6709\u53ef\u80fd\u8d85\u8d8aGoogle\u706f\u5854\u5417\uff1f<\/h2>\n<p>\u6211\u6b23\u8d4f Google \u5728\u8ba8\u8bba Web \u6027\u80fd\u65f6\u5f3a\u8c03\u53ef\u7528\u6027\u800c\u975e\u901f\u5ea6\u3002\u5b83\u9f13\u52b1\u5f00\u53d1\u4eba\u5458\u4f18\u5148\u8003\u8651\u521b\u9020\u771f\u6b63\u7684\u4f53\u9a8c\uff0c\u800c\u4e0d\u662f\u8ffd\u6c42\u4efb\u610f\u6307\u6807\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u6211\u8fd8\u662f\u60f3\uff0c\u5728\u4eca\u5929\u7684 2024 \u5e74\u65f6\u4ee3\uff0c\u6b3a\u9a97 Google Lighthouse \u662f\u5426\u53ef\u884c\uff0c\u8ba9\u5176\u5c06\u8bbe\u8ba1\u7cdf\u7cd5\u4e14\u65e0\u7528\u7684\u9875\u9762\u89c6\u4e3a\u4f18\u79c0\u3002<\/p>\n<p>\u6211\u7a7f\u4e0a\u5b9e\u9a8c\u670d\uff0c\u6234\u4e0a\u79d1\u5b66\u773c\u955c\uff0c\u5f00\u59cb\u8c03\u67e5\u3002\u6240\u6709\u6d4b\u8bd5\u5747\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 Chromium Lighthouse \u63d2\u4ef6\uff0c<\/li>\n<li>\u5728\u4f7f\u7528 Arc \u6d4f\u89c8\u5668\u7684\u9690\u8eab\u7a97\u53e3\u4e2d\uff0c<\/li>\n<li>\u9009\u62e9\u201c\u5bfc\u822a\u201d\u548c\u201c\u79fb\u52a8\u201d\u914d\u7f6e\uff08\u9664\u975e\u53e6\u6709\u8bf4\u660e\uff09\uff0c<\/li>\n<li>\u7531\u6211\u672c\u4eba\u5728\u5b9e\u9a8c\u5ba4\u73af\u5883\u4e0b\u8fdb\u884c\uff08\u5373\u6ca1\u6709\u771f\u5b9e\u4e16\u754c\u7684\u6570\u636e\uff09\u3002<\/li>\n<\/ul>\n<p>\u5c3d\u7ba1\u6211\u7684\u5b9e\u9a8c\u53d7\u63a7\u73af\u5883\u4e0e\u672c\u6587\u5f00\u5934\u7684\u5efa\u8bae\u76f8\u77db\u76fe\uff0c\u4f46\u4e8b\u5b9e\u8bc1\u660e\uff0c\u8fd9\u9879\u5b9e\u9a8c\u662f\u4e00\u9879\u6709\u8da3\u7684\u5c1d\u8bd5\u3002\u6211\u5e0c\u671b\u60a8\u80fd\u591f\u4e86\u89e3\u5230\uff0cLighthouse \u8bc4\u5206\u53ea\u662f\u9519\u7efc\u590d\u6742\u7684 Web \u6027\u80fd\u96be\u9898\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\uff08\u5c3d\u7ba1\u662f\u6b21\u8981\u5143\u7d20\uff09\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u7f3a\u4e4f\u771f\u5b9e\u4e16\u754c\u7684\u6570\u636e\uff0c\u8fd9\u4e9b\u53d1\u73b0\u7684\u76f8\u5173\u6027\u53ef\u80fd\u4f1a\u53d7\u5230\u8d28\u7591\u3002<\/p>\n<h2><a id=\"how-to-hack-fcp-and-lcp-scores-how-to-hack-fcp-and-lcp-scores\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#how-to-hack-fcp-and-lcp-scores\"><\/a>\u64cd\u7eb5 FCP \u548c LCP \u5206\u6570\u7684\u7b56\u7565<\/h2>\n<hr \/>\n<p><strong>TL;DR\uff1a\u52a0\u8f7d\u65f6\u5c55\u793a\u6700\u5c11\u7684 LCP \u5408\u683c\u5185\u5bb9\uff0c\u4ee5\u63d0\u9ad8 FCP \u548c LCP \u5206\u6570\uff0c\u76f4\u5230\u5b8c\u6210 Lighthouse \u8bc4\u4f30\u3002<\/strong><\/p>\n<hr \/>\n<p>FCP \u8868\u793a\u9875\u9762\u52a0\u8f7d\u8fc7\u7a0b\u7684\u521d\u59cb\u9636\u6bb5\uff0c\u7528\u6237\u53ef\u4ee5\u611f\u77e5\u5c4f\u5e55\u4e0a\u7684\u4efb\u4f55\u5185\u5bb9\uff0c\u800c LCP \u8868\u793a\u52a0\u8f7d\u65f6\u95f4\u8f74\u4e2d\u4e3b\u8981\u9875\u9762\u5185\u5bb9\uff08\u4f8b\u5982\uff0c\u6700\u5927\u7684\u6587\u672c\u6216\u56fe\u50cf\u5143\u7d20\uff09\u53ef\u80fd\u5df2\u52a0\u8f7d\u7684\u65f6\u95f4\u70b9\u3002\u5feb\u901f\u7684 LCP \u6709\u52a9\u4e8e\u589e\u5f3a\u7528\u6237\u5bf9\u9875\u9762\u8d28\u91cf\u7684\u4fe1\u5fc3 <em>\u597d\u5904<\/em>\u201c\u53ef\u80fd\u201d\u548c\u201c\u6709\u76ca\u201d\u662f\u8fd9\u91cc\u8981\u7262\u8bb0\u7684\u5173\u952e\u8bcd\u3002<\/p>\n<h3><a id=\"what-counts-as-an-lcp-element-what-counts-as-an-lcp-element\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#what-counts-as-an-lcp-element\"><\/a>\u8bc6\u522b LCP \u5143\u7d20<\/h3>\n<p>Lighthouse \u4e3a LCP \u8003\u8651\u7684\u7f51\u9875\u5143\u7d20\u7c7b\u522b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>&lt;img&gt;<\/code> \u6807\u7b7e<\/li>\n<li><code>&lt;image&gt;<\/code> \u6807\u7b7e\u5185\u7684 <code>&lt;svg&gt;<\/code> \u6807\u7b7e<\/li>\n<li><code><video><\/code> \u6807\u7b7e<\/li>\n<li>\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u52a0\u8f7d\u80cc\u666f\u56fe\u50cf\u7684\u5143\u7d20 <code>url()<\/code> \u51fd\u6570\uff08\u4e0d\u5305\u62ec CSS \u6e10\u53d8\uff09<\/li>\n<li>\u5305\u542b\u6587\u672c\u8282\u70b9\u6216\u5185\u8054\u7ea7\u6587\u672c\u5143\u7d20\u7684\u5757\u7ea7\u5143\u7d20<\/li>\n<\/ul>\n<p>\u63a5\u4e0b\u6765\u7684\u8981\u7d20\u662f <em>\u7701\u7565<\/em> \u7531\u4e8e\u8ba4\u4e3a\u5b83\u4eec\u7f3a\u4e4f\u6709\u7528\u7684\u5185\u5bb9\uff0c\u56e0\u6b64\u4e0d\u4e88\u8003\u8651 LCP\uff1a<\/p>\n<ul>\n<li>\u900f\u660e\u5ea6\u4e3a\u96f6\u7684\u5143\u7d20\uff08\u7528\u6237\u4e0d\u53ef\u89c1\uff09\uff0c<\/li>\n<li>\u906e\u6321\u6574\u4e2a\u89c6\u53e3\u7684\u5143\u7d20\uff08\u53ef\u80fd\u662f\u80cc\u666f\u5143\u7d20\uff09\uff0c\u4ee5\u53ca<\/li>\n<li>\u5360\u4f4d\u7b26\u56fe\u50cf\u6216\u5177\u6709\u8fb9\u9645\u71b5\u7684\u4f4e\u4fe1\u606f\u5185\u5bb9\u56fe\u50cf\uff08\u4f8b\u5982\u7eaf\u8272\u56fe\u50cf\uff09\u3002<\/li>\n<\/ul>\n<p>\u7136\u800c\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5224\u65ad\u56fe\u50cf\u6216\u6587\u672c\u5143\u7d20\u662f\u5426\u6709\u76ca\u662f\u975e\u5e38\u4e3b\u89c2\u7684\uff0c\u901a\u5e38\u8d85\u51fa\u4e86\u673a\u5668\u7b97\u6cd5\u80fd\u591f\u53ef\u9760\u5224\u65ad\u7684\u8303\u56f4\u3002\u4f8b\u5982\uff0c\u6211\u6784\u5efa\u7684\u4e00\u4e2a\u9875\u9762\u4ec5\u5305\u542b <code>&lt;h1&gt;<\/code> \u6807\u7b7e\uff0c10 \u79d2\u540e\uff0cJavaScript \u4f1a\u5c06\u66f4\u591a\u63cf\u8ff0\u6027\u5185\u5bb9\u63d2\u5165 DOM\uff0c\u7136\u540e\u9690\u85cf <code>&lt;h1&gt;<\/code> \u6807\u7b7e\u3002<\/p>\n<p>\u6839\u636e\u5b9e\u9a8c\uff0cLighthouse \u5c06\u6807\u9898\u6807\u7b7e\u89c6\u4e3a\u6700\u5927\u7684\u5185\u5bb9\u7ed8\u5236 (LCP) \u7ec4\u4ef6\u3002\u5230\u8fbe\u6b64\u9636\u6bb5\u65f6\uff0c\u9875\u9762\u7684\u52a0\u8f7d\u65f6\u95f4\u7ebf\u5df2\u7ed3\u675f\uff0c\u4f46\u4e3b\u8981\u5185\u5bb9\u5c1a\u672a\u5b8c\u5168\u52a0\u8f7d\u3002\u5c3d\u7ba1\u5982\u6b64\uff0cLighthouse \u4ecd\u5047\u8bbe\u5185\u5bb9\u5728 10 \u79d2\u7a97\u53e3\u5185\u52a0\u8f7d\u5b8c\u6bd5\u7684\u53ef\u80fd\u6027\u5f88\u9ad8\u3002\u4ee4\u4eba\u60ca\u8bb6\u7684\u662f\uff0c\u5373\u4f7f\u5c06\u6807\u9898\u66ff\u6362\u4e3a\u53e5\u53f7\u7b49\u7b80\u5355\u6807\u70b9\u7b26\u53f7\uff0cLighthouse \u4ecd\u4f1a\u7ed9\u51fa\u6ee1\u5206 100 \u5206\uff0c\u8fd9\u66f4\u4e0d\u503c\u4e00\u63d0\u3002<\/p>\n<p>\u6b64\u6b21\u8bd5\u9a8c\u8868\u660e\uff0c\u901a\u8fc7\u5ba2\u6237\u7aef JavaScript \u52a0\u8f7d\u9875\u9762\u5185\u5bb9\u65f6\uff0c\u6700\u597d\u4e0d\u8981\u663e\u793a\u6846\u67b6\u52a0\u8f7d\u5668\u5c4f\u5e55\u3002\u8fd9\u662f\u56e0\u4e3a\u663e\u793a\u8fd9\u6837\u7684\u5c4f\u5e55\u9700\u8981\u5728\u9875\u9762\u4e0a\u52a0\u8f7d\u5176\u4ed6\u5143\u7d20\u3002\u901a\u8fc7\u8ba4\u8bc6\u5230\u6b64\u8fc7\u7a0b\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\uff0c\u5e76\u5c06\u7f51\u7edc\u8bf7\u6c42\u4ece\u4e3b\u7ebf\u7a0b\u8f6c\u79fb\u5230 Web Worker \u4ee5\u907f\u514d\u5f71\u54cd\u603b\u963b\u585e\u65f6\u95f4\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5305\u542b\u6700\u5c0f\u53ef\u884c LCP \u7ec4\u4ef6\u7684\u901a\u7528\u201c\u542f\u52a8\u753b\u9762\u201d\u6765\u83b7\u5f97\u66f4\u597d\u7684\u9996\u6b21\u5185\u5bb9\u7ed8\u5236 (FCP) \u8bc4\u5206\u3002\u8fd9\u79cd\u65b9\u6cd5\u8ba9 Lighthouse \u89c9\u5f97\u9875\u9762\u6bd4\u5b9e\u9645\u66f4\u65b9\u4fbf\u7528\u6237\u4f7f\u7528\u3002<\/p>\n<p>\u6240\u9700\u7684\u53ea\u662f\u5305\u542b\u4e00\u4e2a\u4ee3\u8868 FCP \u7684\u5408\u6cd5 LCP \u7ec4\u4ef6\u3002\u867d\u7136\u6211\u4e0d\u5efa\u8bae\u5728 2024 \u5e74\u901a\u8fc7\u5ba2\u6237\u7aef JavaScript \u52a0\u8f7d\u4e3b\u9875\u5185\u5bb9\uff08\u6700\u597d\u4ece\u5185\u5bb9\u4ea4\u4ed8\u7f51\u7edc\u63d0\u4f9b\u9759\u6001 HTML \u6216\u5728\u670d\u52a1\u5668\u4e0a\u6784\u5efa\u5c3d\u53ef\u80fd\u591a\u7684\u5185\u5bb9\uff09\uff0c\u4f46\u65e0\u8bba Lighthouse \u6027\u80fd\u5f97\u5206\u5982\u4f55\uff0c\u4e5f\u4e0d\u5efa\u8bae\u4f7f\u7528\u8fd9\u79cd\u201c\u9ed1\u5ba2\u201d\u6765\u83b7\u5f97\u79ef\u6781\u7684\u7528\u6237\u4f53\u9a8c\u3002\u6b64\u5916\uff0c\u8fd9\u79cd\u65b9\u6cd5\u53ef\u80fd\u5bf9\u641c\u7d22\u5f15\u64ce\u7d22\u5f15\u6ca1\u6709\u597d\u5904\uff0c\u56e0\u4e3a\u5f53\u4e3b\u8981\u5185\u5bb9\u4e0d\u5728 DOM \u4e2d\u65f6\uff0c\u641c\u7d22\u673a\u5668\u4eba\u65e0\u6cd5\u627e\u5230\u5b83\u3002<\/p>\n<p>\u6211\u8fdb\u884c\u4e86\u7c7b\u4f3c\u7684\u8bd5\u9a8c\uff0c\u5c06\u5404\u79cd\u968f\u673a\u56fe\u50cf\u4f2a\u88c5\u6210 LCP\uff0c\u4ee5\u8fdb\u4e00\u6b65\u964d\u4f4e\u9875\u9762\u7684\u5b9e\u7528\u6027\u3002\u7136\u800c\uff0c\u7531\u4e8e\u4f7f\u7528\u4e86\u8f83\u5c0f\u7684\u6587\u4ef6\u5927\u5c0f\uff08\u901a\u8fc7\u7b2c\u4e09\u65b9\u56fe\u50cf API \u8fdb\u4e00\u6b65\u7f29\u5c0f\u5e76\u8f6c\u6362\u4e3a\u201c\u4e0b\u4e00\u4ee3\u201d\u56fe\u50cf\u683c\u5f0f\u4ee5\u63d0\u9ad8\u9875\u9762\u52a0\u8f7d\u901f\u5ea6\uff09\uff0cLighthouse \u5c06\u8fd9\u4e9b\u56fe\u50cf\u89c6\u4e3a\u201c\u5360\u4f4d\u7b26\u56fe\u50cf\u201d\u6216\u201c\u71b5\u503c\u8f83\u4f4e\u201d\u7684\u56fe\u50cf\u3002\u56e0\u6b64\uff0c\u8fd9\u4e9b\u56fe\u50cf\u4e0d\u4f1a\u88ab\u8bc6\u522b\u4e3a LCP \u7ec4\u4ef6\uff0c\u8fd9\u662f\u4e00\u4e2a\u7406\u60f3\u7684\u7ed3\u679c\uff0c\u4f7f LCP \u66f4\u4e0d\u5bb9\u6613\u53d7\u5230\u64cd\u7eb5\u3002<\/p>\n<p>\u4f7f\u7528 Chromium DevTools \u5728\u9690\u8eab\u6a21\u5f0f\u4e0b\u67e5\u770b\u6f14\u793a\u9875\u9762\uff0c\u4eb2\u773c\u89c1\u8bc1\u7ed3\u679c\u3002<\/p>\n<p><a href=\"https:\/\/i.imgur.com\/KeEjeLx.png\"><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/KeEjeLx.png\" alt=\"\u6d4f\u89c8\u5668\u4e2d\u7684\u8bc1\u636e\u8868\u660e\uff0c\u65e0\u7528\u7684\u9875\u9762\u5728 Lighthouse \u6027\u80fd\u4e0a\u83b7\u5f97\u4e86\u6ee1\u5206 100 \u5206\" \/><\/a><\/p>\n<p>\u7136\u800c\uff0c\u8fd9\u79cd\u7b56\u7565\u5728\u8bb8\u591a\u5176\u4ed6\u60c5\u51b5\u4e0b\u53ef\u80fd\u4e0d\u90a3\u4e48\u6709\u6548\u3002\u4f8b\u5982\uff0cDiscord \u5728\u6d4f\u89c8\u5668\u4e2d\u5bf9\u5176\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u786c\u5237\u65b0\u65f6\u91c7\u7528\u4e86\u201c\u542f\u52a8\u753b\u9762\u201d\u65b9\u6cd5\uff0c\u5bfc\u81f4\u6027\u80fd\u5f97\u5206\u4ee4\u4eba\u5931\u671b\uff0c\u4ec5\u4e3a 29 \u5206\u3002<\/p>\n<p>\u4e0e\u6211\u7684 DOM \u6ce8\u5165\u6f14\u793a\u76f8\u53cd\uff0cLCP \u7ec4\u4ef6\u88ab\u8bc6\u522b\u4e3a\u9690\u85cf\u5728\u542f\u52a8\u753b\u9762\u540e\u9762\u7684\u67d0\u4e9b\u5185\u5bb9\uff0c\u800c\u4e0d\u662f\u542f\u52a8\u753b\u9762\u672c\u8eab\u5185\u7684\u5143\u7d20\uff0c\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u6211\u6d4b\u8bd5\u7684\u805a\u7126\u6587\u672c\u901a\u9053\u4e2d\u5b58\u5728\u4e00\u4e2a\u6216\u591a\u4e2a\u5927\u56fe\u50cf\u3002\u53ef\u4ee5\u8bf4\uff0cLighthouse \u5206\u6570\u5bf9\u4e8e\u4ec5\u5728\u8eab\u4efd\u9a8c\u8bc1\u540e\u624d\u53ef\u8bbf\u95ee\u7684\u5e94\u7528\u7a0b\u5e8f\u610f\u4e49\u4e0d\u5927\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0d\u9700\u8981\u88ab\u641c\u7d22\u5f15\u64ce\u7f16\u5165\u7d22\u5f15\u3002<\/p>\n<p><a href=\"https:\/\/i.imgur.com\/nHT0vqe.png\"><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/nHT0vqe.png\" alt=\"\u706f\u5854\u622a\u56fe\uff0c\u8bc4\u5206\u4e3a 29\uff0c\u65c1\u8fb9\u662f\u6a21\u7cca\u7684 Discord \u670d\u52a1\u5668\u9891\u9053\u3002\" \/><\/a><\/p>\n<p>\u5728\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u7528\u6237\u751f\u6210\u5185\u5bb9\u7684\u8bb8\u591a\u5176\u4ed6\u60c5\u51b5\u4e0b\uff0c\u5b8c\u5168\u63a7\u5236 LCP \u7ec4\u4ef6\u53ef\u80fd\u5177\u6709\u6311\u6218\u6027\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u56fe\u50cf\u800c\u8a00\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u786e\u5b9e\u53ef\u4ee5\u63a7\u5236\u7f51\u9875\u4e0a\u6240\u6709\u56fe\u7247\u7684\u5927\u5c0f\uff0c\u5219\u53ef\u4ee5\u5229\u7528\u6709\u8da3\u7684\u9ed1\u5ba2\u6216\u201c\u4f18\u5316\u201d\uff08\u5e26\u5f15\u53f7\uff09\u6765\u64cd\u7eb5\u7cfb\u7edf\u3002RentPath \u5728 2021 \u5e74\u5c55\u793a\u4e86\u8fd9\u4e00\u70b9\uff0c\u5f00\u53d1\u4eba\u5458\u901a\u8fc7\u653e\u5927\u7f51\u9875\u4e0a\u7684\u56fe\u7247\u7f29\u7565\u56fe\uff0c\u5c06 Lighthouse \u6027\u80fd\u5f97\u5206\u63d0\u9ad8\u4e86 17 \u5206\u3002\u4ed6\u4eec\u8bbe\u6cd5\u5f71\u54cd Lighthouse \u5c06 LCP \u7ec4\u4ef6\u89c6\u4e3a\u8f83\u5927\u7684\u7f29\u7565\u56fe\u4e4b\u4e00\uff0c\u800c\u4e0d\u662f\u9875\u9762\u4e0a\u7684 Google \u5730\u56fe\u56fe\u5757\uff0c\u540e\u8005\u901a\u8fc7 JavaScript \u52a0\u8f7d\u7684\u65f6\u95f4\u660e\u663e\u66f4\u957f\u3002<\/p>\n<p>\u5173\u952e\u70b9\u5728\u4e8e\uff0c\u5982\u679c\u60a8\u7559\u610f LCP \u5143\u7d20\u5e76\u5bf9\u5176\u8fdb\u884c\u63a7\u5236\uff0c\u65e0\u8bba\u662f\u901a\u8fc7\u7c7b\u4f3c RentPath \u7684\u9ed1\u5ba2\u6280\u672f\u8fd8\u662f\u60a8\u81ea\u5df1\u8bbe\u8ba1\u7684\u9ed1\u5ba2\u6280\u672f\uff0c\u8fd8\u662f\u901a\u8fc7\u771f\u6b63\u7684\u589e\u5f3a\uff0c\u90fd\u53ef\u4ee5\u83b7\u5f97\u66f4\u9ad8\u7684 Lighthouse \u6027\u80fd\u5206\u6570\u3002\u867d\u7136\u6211\u5728\u672c\u6587\u4e2d\u5c06\u542f\u52a8\u753b\u9762\u65b9\u6cd5\u63cf\u8ff0\u4e3a\u9ed1\u5ba2\u6280\u672f\uff0c\u4f46\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u8fd9\u79cd\u4f53\u9a8c\u65e0\u6cd5\u63d0\u4f9b\u6709\u610f\u4e49\u4e14\u4ee4\u4eba\u6109\u5feb\u7684\u7528\u6237\u4f53\u9a8c\u3002\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u90fd\u56f4\u7ed5\u7740\u7406\u89e3\u52a0\u8f7d\u8fc7\u7a0b\u548c\u610f\u56fe\u3002<\/p>\n<h2><a id=\"how-to-hack-cls-scores-how-to-hack-cls-scores\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#how-to-hack-cls-scores\"><\/a>\u64cd\u7eb5 CLS \u5206\u6570\u7684\u7b56\u7565<\/h2>\n<hr \/>\n<p><strong>\u5feb\u901f\u6458\u8981\uff1a\u5728\u5047\u8bbe\u6709\u8db3\u591f\u7684\u6570\u636e\u7684\u60c5\u51b5\u4e0b\uff0c\u63a8\u8fdf\u52a0\u8f7d\u5bfc\u81f4\u5e03\u5c40\u504f\u79fb\u7684\u5185\u5bb9\uff0c\u76f4\u5230 Lighthouse \u6d4b\u8bd5\u53ef\u80fd\u5b8c\u6210\u3002\u4f7f\u7528\u53d8\u6362\u7684 CSS \u52a8\u753b\u901a\u5e38\u4e0d\u4f1a\u5f15\u8d77 CLS\uff0c\u9664\u975e\u4e0e\u5411 DOM \u6dfb\u52a0\u65b0\u5143\u7d20\u76f8\u7ed3\u5408\u3002<\/strong><\/p>\n<hr \/>\n<p>CLS \u91c7\u7528\u5341\u8fdb\u5236\u6765\u8861\u91cf\uff0c\u4f4e\u4e8e 0.1 \u7684\u5206\u6570\u88ab\u89c6\u4e3a\u826f\u597d\uff0c\u9ad8\u4e8e 0.25 \u7684\u5206\u6570\u88ab\u89c6\u4e3a\u8f83\u5dee\u3002Lighthouse \u6839\u636e\u7528\u6237\u4f1a\u8bdd\u671f\u95f4\u53d1\u751f\u7684\u6700\u663e\u8457\u7684\u4e00\u7cfb\u5217\u610f\u5916\u5e03\u5c40\u504f\u79fb\u6765\u8ba1\u7b97 CLS\uff0c\u5176\u4e2d\u8003\u8651\u4e86\u89c6\u53e3\u5927\u5c0f\u548c\u4e24\u4e2a\u6e32\u67d3\u5e27\u4e4b\u95f4\u4e0d\u7a33\u5b9a\u5143\u7d20\u7684\u79fb\u52a8\u3002\u867d\u7136\u4e2a\u522b\u5e03\u5c40\u504f\u79fb\u5b9e\u4f8b\u53ef\u80fd\u65e0\u5173\u7d27\u8981\uff0c\u4f46\u4e00\u7cfb\u5217\u63a5\u8fde\u53d1\u751f\u7684\u504f\u79fb\u5c06\u5bf9\u60a8\u7684\u5206\u6570\u4ea7\u751f\u4e0d\u5229\u5f71\u54cd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u77e5\u9053\u60a8\u7684\u9875\u9762\u5728\u52a0\u8f7d\u65f6\u4f1a\u89e6\u53d1\u4ee4\u4eba\u8ba8\u538c\u7684\u5e03\u5c40\u504f\u79fb\uff0c\u5219\u53ef\u4ee5\u5c06\u5b83\u4eec\u63a8\u8fdf\u5230\u9875\u9762\u52a0\u8f7d\u5b8c\u6210\u540e\uff0c\u4ece\u800c\u6b3a\u9a97 Lighthouse \u5047\u8bbe\u6ca1\u6709 CLS \u95ee\u9898\u3002\u5728\u4e00\u4e2a\u4e2a\u4eba\u793a\u4f8b\u4e2d\uff0c\u6f14\u793a\u9875\u9762\u8fd4\u56de\u7684 CLS \u5206\u6570\u4e3a 0.143\uff0c\u5373\u4f7f\u65b0\u6dfb\u52a0\u7684\u6587\u672c\u5143\u7d20\u901a\u8fc7 JavaScript \u8fc5\u901f\u5bfc\u81f4\u539f\u59cb\u5185\u5bb9\u5411\u4e0a\u79fb\u52a8\u3002\u901a\u8fc7\u4f7f\u7528 <code>\u8bbe\u7f6e\u8d85\u65f6\uff08\uff09<\/code> \u529f\u80fd\uff0cLighthouse \u65e0\u6cd5\u68c0\u6d4b\u5230 CLS \u7684\u53d1\u751f\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u6f14\u793a\u9875\u9762\u867d\u7136\u53ef\u80fd\u4e0d\u5982\u524d\u4e00\u4e2a\u9875\u9762\u5b9e\u7528\u4e14\u7528\u6237\u53cb\u597d\u5ea6\u8f83\u4f4e\uff0c\u4f46\u4ecd\u7136\u83b7\u5f97\u4e86 100 \u5206\u7684\u5b8c\u7f8e\u6027\u80fd\u5206\u6570\uff0c\u56e0\u4e3a\u9644\u52a0\u5143\u7d20\u662f\u4efb\u610f\u51fa\u73b0\u7684\uff0c\u65e0\u9700\u4efb\u4f55\u7528\u6237\u4ea4\u4e92\u3002<\/p>\n<p><a href=\"https:\/\/i.imgur.com\/nI8BzRh.png\"><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/nI8BzRh.png\" alt=\"\u7b2c\u4e8c\u4e2a\u6f14\u793a\u4e2d\u7684 Lighthouse \u6027\u80fd\u5f97\u5206\u4e3a 100\u3002\" \/><\/a><\/p>\n<p>\u867d\u7136\u5728\u9875\u9762\u52a0\u8f7d\u6d4b\u8bd5\u4e2d\u63a8\u8fdf\u5e03\u5c40\u8f6c\u6362\u662f\u53ef\u884c\u7684\uff0c\u4f46\u8fd9\u79cd\u89e3\u51b3\u65b9\u6cd5\u5bf9\u4e8e\u73b0\u573a\u6570\u636e\u6216\u957f\u671f\u7528\u6237\u4f53\u9a8c\u5e76\u4e0d\u6709\u6548\uff0c\u800c\u8fd9\u4e9b\u662f\u524d\u9762\u8ba8\u8bba\u8fc7\u7684\u66f4\u5173\u952e\u7684\u56e0\u7d20\u3002\u5728\u5bf9\u5177\u6709\u5ef6\u8fdf\u5e03\u5c40\u8f6c\u6362\u7684\u9875\u9762\u4f7f\u7528 Lighthouse \u8fdb\u884c\u201c\u65f6\u95f4\u8de8\u5ea6\u201d\u6d4b\u8bd5\u65f6\uff0c\u5b83\u51c6\u786e\u5730\u62a5\u544a\u4e86\u4e0d\u4ee4\u4eba\u6ee1\u610f\u7684 CLS \u5206\u6570\uff0c\u7ea6\u4e3a 0.186\u3002<\/p>\n<p><a href=\"https:\/\/i.imgur.com\/mjgWlWk.png\"><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/mjgWlWk.png\" alt=\"\u540c\u4e00\u9875\u9762\u4e0a\u7684\u65f6\u95f4\u8de8\u5ea6\u6d4b\u8bd5\u7684\u5c4f\u5e55\u622a\u56fe\uff0c\u5e03\u5c40\u6709\u6240\u4e0d\u540c\u3002\" \/><\/a><\/p>\n<p>\u5982\u679c\u60a8\u6709\u610f\u521b\u5efa\u7c7b\u4f3c\u4e8e\u6f14\u793a\u7684\u6df7\u4e71\u7528\u6237\u4f53\u9a8c\uff0c\u60a8\u53ef\u4ee5\u5229\u7528 CSS \u52a8\u753b\u548c\u8f6c\u6362\u7b56\u7565\u6027\u5730\u5c06\u5185\u5bb9\u5e26\u5165\u9875\u9762\u89c6\u56fe\u3002\u5728 Google \u7684 CLS \u6307\u5357\u4e2d\uff0c\u5b83\u63d0\u5230\u201c\u5185\u5bb9\u4ece\u4e00\u4e2a\u4f4d\u7f6e\u5e73\u6ed1\u8fc7\u6e21\u5230\u53e6\u4e00\u4e2a\u4f4d\u7f6e\u53ef\u4ee5\u589e\u5f3a\u7528\u6237\u7684\u7406\u89e3\u529b\u5e76\u5f15\u5bfc\u4ed6\u4eec\u5b8c\u6210\u72b6\u6001\u53d8\u5316\u201d\uff0c\u518d\u6b21\u5f3a\u8c03\u4e86\u60c5\u5883\u7528\u6237\u4f53\u9a8c\u7684\u91cd\u8981\u6027\u3002<\/p>\n<p>\u5728\u4e0b\u4e00\u4e2a\u6f14\u793a\u9875\u9762\u4e2d\uff0c\u6211\u5229\u7528 CSS \u8f6c\u6362 <code>\u89c4\u6a21\uff08\uff09<\/code> \u5c06\u6587\u672c\u5143\u7d20\u52a8\u753b\u5316 <code>0<\/code> \u5230 <code>1<\/code> \u5e76\u5c06\u5b83\u4eec\u91cd\u65b0\u5b9a\u4f4d\u5728\u9875\u9762\u4e0a\u3002\u8fd9\u4e9b\u8f6c\u6362\u4e0d\u4f1a\u89e6\u53d1 CLS\uff0c\u56e0\u4e3a\u5f53\u6587\u6863\u51c6\u5907\u5c31\u7eea\u65f6\uff0c\u6587\u672c\u8282\u70b9\u5df2\u7ecf\u5b58\u5728\u4e8e DOM \u4e2d\u3002\u6211\u5728\u5b9e\u9a8c\u8fc7\u7a0b\u4e2d\u6ce8\u610f\u5230\uff0c\u5982\u679c\u5728\u9875\u9762\u52a0\u8f7d\u540e\u4f7f\u7528 JavaScript \u5c06\u6587\u672c\u5143\u7d20\u52a8\u6001\u63d2\u5165 DOM\uff0c\u7136\u540e\u8fdb\u884c\u52a8\u753b\u5904\u7406\uff0cLighthouse \u5c06\u68c0\u6d4b\u5230 CLS \u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u8bc4\u4f30\u3002<\/p>\n<h2><a id=\"you-cant-manipulate-a-speed-index-score-you-cant-manipulate-a-speed-index-score\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#you-cant-manipulate-a-speed-index-score\"><\/a>\u60a8\u65e0\u6cd5\u64cd\u7eb5\u901f\u5ea6\u6307\u6570\u5f97\u5206<\/h2>\n<p>\u901f\u5ea6\u6307\u6570\u5206\u6570\u662f\u6839\u636e\u9875\u9762\u5448\u73b0\u65f6\u7684\u89c6\u89c9\u8fdb\u5ea6\u8ba1\u7b97\u5f97\u51fa\u7684\u3002\u9875\u9762\u52a0\u8f7d\u5e8f\u5217\u4e2d\u5185\u5bb9\u52a0\u8f7d\u5f97\u8d8a\u5feb\uff0c\u7ed3\u679c\u5c31\u8d8a\u6709\u5229\u3002<\/p>\n<p>\u53ef\u4ee5\u5c1d\u8bd5\u91c7\u7528\u67d0\u4e9b\u7b56\u7565\u6765\u6b3a\u9a97\u901f\u5ea6\u6307\u6570\uff0c\u4f7f\u5176\u611f\u77e5\u5230\u8f83\u6162\u7684\u52a0\u8f7d\u987a\u5e8f\u3002\u76f8\u53cd\uff0c\u6ca1\u6709\u53ef\u884c\u7684\u65b9\u6cd5\u53ef\u4ee5\u4eba\u4e3a\u5730\u52a0\u5feb\u5185\u5bb9\u7684\u52a0\u8f7d\u901f\u5ea6\u3002\u63d0\u9ad8\u901f\u5ea6\u6307\u6570\u5206\u6570\u7684\u552f\u4e00\u65b9\u6cd5\u662f\u4f18\u5316\u7f51\u9875\u4ee5\u5c3d\u53ef\u80fd\u5feb\u5730\u52a0\u8f7d\u5c3d\u53ef\u80fd\u591a\u7684\u5185\u5bb9\u3002\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u5728\u5f53\u524d\u7684\u7f51\u7edc\u73af\u5883\u4e2d\u53ef\u80fd\u5e76\u4e0d\u5b8c\u5168\u5b9e\u7528\uff08\u4e3b\u8981\u662f\u56e0\u4e3a\u5b83\u4f1a\u5371\u53ca\u8bbe\u8ba1\u5e08\u7684\u89d2\u8272\uff09\uff0c\u4f46\u60a8\u53ef\u4ee5\u5b8c\u5168\u81f4\u529b\u4e8e\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u964d\u4f4e\u901f\u5ea6\u6307\u6570\uff1a<\/p>\n<ul>\n<li>\u76f4\u63a5\u4ece CDN \u63d0\u4f9b\u9759\u6001 HTML \u7f51\u9875\uff0c<\/li>\n<li>\u7701\u7565\u9875\u9762\u4e2d\u7684\u56fe\u50cf\uff0c<\/li>\n<li>\u51cf\u5c11\u6216\u5220\u9664 CSS\uff0c\u4ee5\u53ca<\/li>\n<li>\u505c\u6b62\u52a0\u8f7d JavaScript \u6216\u4efb\u4f55\u5916\u90e8\u4f9d\u8d56\u9879\u3002<\/li>\n<\/ul>\n<h2><a id=\"you-also-cant-genuinely-manipulate-a-tbt-score-you-also-cant-genuinely-manipulate-a-tbt-score\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#you-also-cant-genuinely-manipulate-a-tbt-score\"><\/a>\u4f60\u4e5f\u65e0\u6cd5\u771f\u6b63\u64cd\u7eb5 TBT \u5206\u6570<\/h2>\n<p>TBT \u8861\u91cf FCP \u4e4b\u540e\u4e3b\u7ebf\u7a0b\u88ab JavaScript \u6d3b\u52a8\u963b\u585e\u4ee5\u81f4\u4e8e\u65e0\u6cd5\u54cd\u5e94\u7528\u6237\u4ea4\u4e92\u7684\u603b\u65f6\u957f\u3002\u7406\u60f3\u7684 TBT \u5206\u6570\u5e94\u4f4e\u4e8e 200 \u6beb\u79d2\u3002<\/p>\n<p>\u5927\u91cf\u4f7f\u7528 JavaScript \u7684 Web \u5e94\u7528\u7a0b\u5e8f\uff08\u5982\u5355\u9875\u5e94\u7528\u7a0b\u5e8f\uff09\u5728\u9875\u9762\u52a0\u8f7d\u671f\u95f4\u5728\u5ba2\u6237\u7aef\u6267\u884c\u590d\u6742\u7684\u72b6\u6001\u8ba1\u7b97\u548c DOM \u8c03\u6574\uff08\u800c\u4e0d\u662f\u5728\u4f20\u8f93\u6e32\u67d3\u7684 HTML \u4e4b\u524d\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884c\uff09\uff0c\u5f80\u5f80\u4f1a\u83b7\u5f97\u8f83\u5dee\u7684 TBT \u5206\u6570\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u6240\u6709 JavaScript \u63a8\u8fdf\u5230 Lighthouse \u8bc4\u4f30\u7ed3\u675f\u540e\u6765\u6539\u53d8\u5176 TBT \u5206\u6570\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u4ecd\u9700\u8981\u63d0\u4f9b\u5360\u4f4d\u7b26\u5185\u5bb9\u6216\u52a0\u8f7d\u5c4f\u5e55\u4ee5\u6ee1\u8db3 FCP \u548c LCP \u8981\u6c42\u5e76\u901a\u77e5\u7528\u6237\u5373\u5c06\u8fdb\u884c\u7684\u6d3b\u52a8\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u52aa\u529b\u5728\u4f7f\u7528\u7684\u524d\u7aef\u6846\u67b6\u4e2d\u5bfc\u822a\u3002\uff08\u907f\u514d\u52a0\u8f7d\u6700\u7ec8\u5728\u9875\u9762\u52a0\u8f7d\u5e8f\u5217\u4e2d\u67d0\u4e2a\u4e0d\u786e\u5b9a\u65f6\u523b\u52a0\u8f7d\u4e0d\u540c React \u5e94\u7528\u7a0b\u5e8f\u7684\u5360\u4f4d\u7b26\u9875\u9762\uff01\uff09<\/p>\n<p>\u6709\u8da3\u7684\u662f\uff0c\u5c3d\u7ba1\u9ad8\u7ea7 JavaScript \u529f\u80fd\u5728\u5ba2\u6237\u7aef\u6d3b\u52a8\u4e2d\u4ecd\u7136\u5f88\u666e\u904d\uff0c\u4f46\u5f53\u524d Web \u73af\u5883\u4e2d\u7684\u521b\u65b0\u6b63\u5728\u4fc3\u8fdb\u96c6\u4f53\u52aa\u529b\uff0c\u4ee5\u51cf\u8f7b TBT \u5206\u6570\u4f4e\u4e8e\u6807\u51c6\u7684\u73b0\u8c61\u3002\u8bb8\u591a\u524d\u7aef\u6846\u67b6\u4e0e\u5f53\u4ee3\u6258\u7ba1\u670d\u52a1\u76f8\u7ed3\u5408\uff0c\u5177\u6709\u65e0\u9700\u4efb\u4f55\u5ba2\u6237\u7aef JavaScript \u5373\u53ef\u6309\u9700\u5448\u73b0\u9875\u9762\u548c\u6267\u884c\u590d\u6742\u903b\u8f91\u7684\u80fd\u529b\u3002\u867d\u7136\u4ece\u5ba2\u6237\u7aef\u6d88\u9664 JavaScript \u5e76\u4e0d\u662f\u76ee\u6807\uff0c\u4f46\u5b58\u5728\u65e0\u6570\u79cd\u51cf\u5c11\u5176\u90e8\u7f72\u7684\u53ef\u80fd\u6027\uff0c\u4ece\u800c\u964d\u4f4e\u9875\u9762\u52a0\u8f7d\u671f\u95f4\u4e3b\u7ebf\u7a0b\u4e0a\u8ba1\u7b97\u4efb\u52a1\u8fc7\u591a\u7684\u98ce\u9669\u3002<\/p>\n<h2><a id=\"in-summary-lighthouse-remains-merely-an-approximate-guide-in-summary-lighthouse-remains-merely-an-approximate-guide\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#in-summary-lighthouse-remains-merely-an-approximate-guide\"><\/a>\u603b\u7ed3\uff1aLighthouse \u4ecd\u7136\u53ea\u662f\u4e00\u4e2a\u5927\u6982\u7684\u6307\u5357<\/h2>\n<p>Google Lighthouse \u65e0\u6cd5\u7cbe\u786e\u6307\u51fa\u7279\u5b9a\u7f51\u7ad9\u7684\u6240\u6709\u7f3a\u9677\u3002\u5c3d\u7ba1 Lighthouse \u7684\u6027\u80fd\u6307\u6807\u4f18\u5148\u8003\u8651\u9875\u9762\u53ef\u7528\u6027\uff08\u5373\u5bf9\u7528\u6237\u64cd\u4f5c\u7684\u54cd\u5e94\u80fd\u529b\uff09\uff0c\u4f46\u5b83\u65e0\u6cd5\u5168\u9762\u8bc6\u522b 2024 \u5e74\u7684\u6240\u6709\u53ef\u7528\u6027\u6216\u53ef\u8bbf\u95ee\u6027\u95ee\u9898\u3002<\/p>\n<p>2019 \u5e74\uff0cManuel Matuzovi\u0107 \u505a\u4e86\u4e00\u4e2a\u5b9e\u9a8c\uff0c\u6545\u610f\u5236\u4f5c\u4e86\u4e00\u4e2a\u8bbe\u8ba1\u7cdf\u7cd5\u7684\u7f51\u9875\uff0c\u800c Lighthouse \u5374\u7ed9\u4e86\u5b83\u6b63\u9762\u7684\u8bc4\u4ef7\u3002\u6211\u63a8\u6d4b Lighthouse \u7684\u8868\u73b0\u4f1a\u5728\u4e94\u5e74\u540e\u6709\u6240\u6539\u5584\uff1b\u7136\u800c\u4e8b\u5b9e\u5e76\u975e\u5982\u6b64\u3002<\/p>\n<p>\u5728\u8fd9\u4e2a\u6700\u7ec8\u7684\u6f14\u793a\u9875\u9762\u4e2d\uff0cCSS \u548c JavaScript \u4f7f\u8f93\u5165\u4e8b\u4ef6\u5931\u6548\uff0c\u5bfc\u81f4\u9875\u9762\u5bf9\u7528\u6237\u64cd\u4f5c\u65e0\u54cd\u5e94\u3002\u4e94\u79d2\u949f\u540e\uff0cJavaScript \u4f1a\u6539\u53d8\u884c\u4e3a\uff0c\u5141\u8bb8\u4e0e\u6309\u94ae\u4ea4\u4e92\u3002\u4ee4\u4eba\u60ca\u8bb6\u7684\u662f\uff0c\u8be5\u9875\u9762\u5728\u6027\u80fd\u548c\u53ef\u8bbf\u95ee\u6027\u65b9\u9762\u90fd\u4fdd\u6301\u4e86\u6ee1\u5206\u3002<\/p>\n<p><a href=\"https:\/\/i.imgur.com\/TGXW3nq.png\"><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/TGXW3nq.png\" alt=\"Lighthouse \u7684\u56fe\u793a\u663e\u793a\u4e86\u65e0\u7528\u4e14\u65e0\u6cd5\u8bbf\u95ee\u7684\u7f51\u9875\u7684\u5b8c\u7f8e\u6027\u80fd\u548c\u53ef\u8bbf\u95ee\u6027\u8bc4\u7ea7\u3002\" \/><\/a><\/p>\n<p>\u4ec5\u4ec5\u4f9d\u9760 Lighthouse \u6765\u66ff\u4ee3\u53ef\u7528\u6027\u8bc4\u4f30\u548c\u903b\u8f91\u63a8\u7406\u662f\u4e0d\u53ef\u53d6\u7684\u3002<\/p>\n<h2><a id=\"additional-silly-exploits-additional-silly-exploits\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a><a href=\"#additional-silly-exploits\"><\/a>\u5176\u4ed6\u5947\u601d\u5999\u60f3<\/h2>\n<p>\u5728\u751f\u6d3b\u7684\u5404\u4e2a\u65b9\u9762\uff0c\u90fd\u5b58\u5728\u7740\u4e00\u79cd\u64cd\u7eb5\u7cfb\u7edf\u7684\u7b56\u7565\u3002\u4e0b\u9762\u4ecb\u7ecd\u4e00\u4e9b\u884c\u4e4b\u6709\u6548\u4e14\u6709\u4fdd\u8bc1\u7684\u7b56\u7565\uff0c\u53ef\u4ee5\u4eba\u4e3a\u5730\u63d0\u9ad8\u60a8\u7684 Lighthouse \u6027\u80fd\u5f97\u5206\uff0c\u8d85\u8d8a\u6240\u6709\u5176\u4ed6\u7b56\u7565\uff1a<\/p>\n<ul>\n<li>\u4e13\u95e8\u9488\u5bf9\u9ad8\u901f\u548c\u9876\u7ea7\u786c\u4ef6\u8fdb\u884c Lighthouse \u8bc4\u4f30\u3002<\/li>\n<li>\u786e\u4fdd\u60a8\u7684\u4e92\u8054\u7f51\u8fde\u63a5\u5904\u4e8e\u6700\u4f73\u72b6\u6001\uff1b\u5982\u679c\u9700\u8981\uff0c\u8bf7\u91cd\u65b0\u5b9a\u4f4d\u3002<\/li>\n<li>\u4ec5\u5229\u7528\u5b9e\u9a8c\u5ba4\u6570\u636e\uff0c\u4e0d\u7ed3\u5408\u4f7f\u7528\u4e0a\u8ff0\u9ad8\u901f\u786c\u4ef6\u548c\u51fa\u8272\u7684\u4e92\u8054\u7f51\u8fde\u63a5\u6536\u96c6\u7684\u5b9e\u9645\u4f7f\u7528\u6570\u636e\u3002<\/li>\n<li>\u5229\u7528\u672c\u6587\u8be6\u8ff0\u7684\u6240\u6709\u5de7\u5999\u7684\u6280\u5de7\u5728\u4e0d\u540c\u7684\u5b9e\u9a8c\u5ba4\u6761\u4ef6\u4e0b\u91cd\u590d\u8bc4\u4f30\uff0c\u76f4\u5230\u83b7\u5f97\u9884\u671f\u7684\u7ed3\u679c\uff0c\u4ece\u800c\u7ed9\u60a8\u7684\u719f\u4eba\u3001\u540c\u4e8b\u548c\u4e92\u8054\u7f51\u964c\u751f\u4eba\u7559\u4e0b\u6df1\u523b\u5370\u8c61\u3002<\/li>\n<\/ul>\n<p><strong>\u91cd\u8981\u7684<\/strong>: <em>\u8981\u6df1\u5165\u4e86\u89e3 Web \u6027\u80fd\u5e76\u63d0\u5347\u7f51\u7ad9\u4f18\u5316\u6280\u80fd\uff0c\u8bf7\u8003\u8651\u91c7\u7528 Sentry \u7b49\u5e94\u7528\u7a0b\u5e8f\u76d1\u63a7\u5de5\u5177\u3002\u5c06 Lighthouse \u89c6\u4e3a\u521d\u6b65\u6307\u6807\uff0c\u5c06 Sentry \u89c6\u4e3a\u6700\u7ec8\u7684\u751f\u4ea7\u6570\u636e\u6355\u83b7\u3001\u9ad8\u6548\u3001Web \u751f\u547d\u4f53\u5f81\u76d1\u6d4b\u5de5\u5177\u3002<\/em><\/p>\n<p>\u603b\u800c\u8a00\u4e4b\uff0c\u8fd9\u91cc\u662f\u7528\u4e8e\u6559\u80b2\u76ee\u7684\u7684\u5b8c\u6574\u6f14\u793a\u7f51\u7ad9\u7684\u94fe\u63a5\u3002<\/p>","protected":false},"excerpt":{"rendered":"Google Lighthouse \u662f\u6e38\u620f\u5316\u548c\u9f13\u52b1\u7f51\u7edc\u589e\u5f3a\u7684\u6700\u6709\u6548\u65b9\u6cd5\u4e4b\u4e00\u2026\u2026","protected":false},"author":1,"featured_media":2422,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"csco_display_header_overlay":false,"csco_singular_sidebar":"","csco_page_header_type":"","footnotes":""},"categories":[241],"tags":[300],"ppma_author":[290],"class_list":{"0":"post-4937","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-advanced-seo","8":"tag-tentenlearning","9":"cs-entry"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.4 (Yoast SEO v22.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Google Lighthouse: An Ethical Hacker&#039;s Manual for Enhancing User Experience and Search Engine Visibility (2024) - AI SEO 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