{"id":34072,"date":"2026-06-01T02:11:15","date_gmt":"2026-06-01T02:11:15","guid":{"rendered":"https:\/\/www.dotcom-monitor.com\/blog\/web-application-performance\/"},"modified":"2026-06-01T02:28:52","modified_gmt":"2026-06-01T02:28:52","slug":"web-application-performance","status":"publish","type":"post","link":"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/web-application-performance\/","title":{"rendered":"Web\u5e94\u7528\u6027\u80fd\uff1a\u6307\u6807\u3001\u6d41\u7a0b\u4e0e\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignright wp-image-34009\" src=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/06\/website-monitoring-best-practices-featured-browser-facets.webp\" alt=\"Editorial illustration of a stylized browser window on a deep navy background surrounded by six monitoring facet chips \u2014 uptime, real-browser, SSL, performance, alerts, and reporting \u2014 converging on the site with orange connector threads, visualizing comprehensive website monitoring best practices.\" width=\"420\" height=\"236\" srcset=\"https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/06\/website-monitoring-best-practices-featured-browser-facets.webp 1672w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/06\/website-monitoring-best-practices-featured-browser-facets-300x169.webp 300w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/06\/website-monitoring-best-practices-featured-browser-facets-1024x576.webp 1024w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/06\/website-monitoring-best-practices-featured-browser-facets-768x432.webp 768w, https:\/\/www.dotcom-monitor.com\/blog\/wp-content\/uploads\/sites\/3\/2026\/06\/website-monitoring-best-practices-featured-browser-facets-1536x864.webp 1536w\" sizes=\"(max-width: 420px) 100vw, 420px\" \/>Web 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Millions\u300b\u62a5\u544a\u53d1\u73b0\uff0c\u79fb\u52a8\u7ad9\u70b9\u901f\u5ea6\u63d0\u53470.1\u79d2\uff0c\u96f6\u552e\u8f6c\u5316\u7387\u63d0\u53478.4%\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5927\u591a\u6570\u56e2\u961f\u4ecd\u7136\u662f\u5728\u7528\u6237\u62b1\u6028\u540e\u624d\u4fee\u590d\u6027\u80fd\u95ee\u9898\u3002\u672c\u6307\u5357\u5c06\u5e26\u60a8\u4e86\u89e3\u4ec0\u4e48\u662fWeb\u5e94\u7528\u6027\u80fd\u3001\u4e3a\u4ec0\u4e48\u5b83\u6bd4\u4ee5\u5f80\u4efb\u4f55\u65f6\u5019\u90fd\u91cd\u8981\u3001\u5e94\u8ddf\u8e2a\u54ea\u4e9b\u6307\u6807\u4ee5\u53ca\u5982\u4f55\u7cfb\u7edf\u5316\u76d1\u63a7\u2014\u2014\u5305\u62ec\u5982\u4f55\u4f7f\u7528<a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%9b%91%e6%8e%a7%e4%ba%a7%e5%93%81\/web-application-monitoring\/\">Dotcom-Monitor\u7684Web\u5e94\u7528\u76d1\u63a7\u5e73\u53f0<\/a>\uff0c\u63d0\u524d\u53d1\u73b0\u95ee\u9898\uff0c\u907f\u514d\u635f\u5931\u3002<\/p>\n<h2 id='\u4ec0\u4e48\u662f-web-\u5e94\u7528\u6027\u80fd'  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Almanac\u300b\u6570\u636e\u663e\u793a\uff0c\u5927\u591a\u6570\u9875\u9762\u5728\u79fb\u52a8\u7aef\u4ecd\u672a\u8fbe\u5230\u8c37\u6b4c\u6838\u5fc3\u7f51\u9875\u6307\u6807\u6807\u51c6\u2014\u2014\u8fd9\u4e00\u6027\u80fd\u5dee\u8ddd\u76f4\u63a5\u8f6c\u5316\u4e3a\u9875\u9762\u6d4f\u89c8\u91cf\u51cf\u5c11\u3001\u5ba2\u6237\u6ee1\u610f\u5ea6\u964d\u4f4e\u548c\u8f6c\u5316\u7387\u4e0b\u964d\u3002\u5bf9\u4e8e\u6708\u7ecf\u5e38\u6027\u6536\u5165\u4e3a100\u4e07\u7f8e\u5143\u7684SaaS\u4ea7\u54c1\uff0c\u6301\u7eed2\u79d2\u7684\u6027\u80fd\u4e0b\u964d\u53ef\u80fd\u662f\u8fbe\u6210\u589e\u957f\u76ee\u6807\u4e0e\u5426\u7684\u5206\u6c34\u5cad\u3002<\/p>\n<h3 id='\u5bf9\u54c1\u724c\u4fe1\u4efb\u7684\u5f71\u54cd'  id=\"boomdevs_7\">\u5bf9\u54c1\u724c\u4fe1\u4efb\u7684\u5f71\u54cd<\/h3>\n<p>\u6027\u80fd\u662f\u53ef\u9760\u6027\u7684\u4ee3\u540d\u8bcd\u3002\u7528\u6237\u9047\u5230\u7f13\u6162\u6216\u6545\u969c\u7684\u5e94\u7528\uff0c\u4e0d\u4ec5\u611f\u5230\u6cae\u4e27\uff0c\u8fd8\u4f1a\u5931\u53bb\u5bf9\u4ea7\u54c1\u7684\u4fe1\u5fc3\u3002Shopify\u6570\u636e\u663e\u793a\uff0c\u79fb\u52a8\u7ad9\u70b9\u901f\u5ea6\u63d0\u53471\u79d2\u53ef\u4e3a\u5176\u5546\u6237\u5e26\u6765\u6700\u9ad827%\u7684\u8f6c\u5316\u7387\u63d0\u5347\u3002<\/p>\n<h2 id='14\u4e2a\u6838\u5fc3-web-\u5e94\u7528\u6027\u80fd\u6307\u6807'  id=\"boomdevs_8\">14\u4e2a\u6838\u5fc3 Web \u5e94\u7528\u6027\u80fd\u6307\u6807<\/h2>\n<p>\u4e86\u89e3\u5e94\u6d4b\u91cf\u4ec0\u4e48\u662f\u4efb\u4f55\u6027\u80fd\u8ba1\u5212\u7684\u57fa\u7840\u3002\u8fd9\u4e9b\u662f\u6700\u91cd\u8981\u7684\u6307\u6807\u3002<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th><strong>\u6307\u6807<\/strong><\/th>\n<th><strong>\u8861\u91cf\u5185\u5bb9<\/strong><\/th>\n<th><strong>\u826f\u597d<\/strong><\/th>\n<th><strong>\u4e0d\u826f<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>TTFB<\/strong><\/td>\n<td>\u4eceHTTP\u8bf7\u6c42\u53d1\u8d77\u5230\u63a5\u6536\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u65f6\u95f4<\/td>\n<td>&lt; 800\u6beb\u79d2<\/td>\n<td>&gt; 1,800\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td><strong>FCP<\/strong><\/td>\n<td>\u9996\u6b21DOM\u5185\u5bb9\uff08\u6587\u672c\u3001\u56fe\u7247\u3001\u753b\u5e03\uff09\u6e32\u67d3\u65f6\u95f4<\/td>\n<td>&lt; 1.8\u79d2<\/td>\n<td>&gt; 3\u79d2<\/td>\n<\/tr>\n<tr>\n<td><strong>LCP<\/strong><\/td>\n<td>\u89c6\u53e3\u4e2d\u6700\u5927\u53ef\u89c1\u5143\u7d20\u5b8c\u6210\u6e32\u67d3\u65f6\u95f4<\/td>\n<td>&lt; 2.5\u79d2<\/td>\n<td>&gt; 4\u79d2<\/td>\n<\/tr>\n<tr>\n<td><strong>INP<\/strong><\/td>\n<td>\u7528\u6237\u4ea4\u4e92\uff08\u70b9\u51fb\u3001\u89e6\u6478\u3001\u6309\u952e\uff09\u7aef\u5230\u7aef\u5ef6\u8fdf<\/td>\n<td>&lt; 200\u6beb\u79d2<\/td>\n<td>&gt; 500\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td><strong>CLS<\/strong><\/td>\n<td>\u89c6\u89c9\u7a33\u5b9a\u6027\u2014\u2014\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\u5185\u5bb9\u610f\u5916\u4f4d\u79fb\u7684\u7a0b\u5ea6<\/td>\n<td>&lt; 0.1<\/td>\n<td>&gt; 0.25<\/td>\n<\/tr>\n<tr>\n<td><strong>TBT<\/strong><\/td>\n<td>FCP\u548cTTI\u4e4b\u95f4\u4e3b\u7ebf\u7a0b\u963b\u585e\u65f6\u95f4\u603b\u548c<\/td>\n<td>&lt; 200\u6beb\u79d2<\/td>\n<td>&gt; 600\u6beb\u79d2<\/td>\n<\/tr>\n<tr>\n<td><strong>TTI<\/strong><\/td>\n<td>\u9875\u9762\u5b8c\u5168\u53ef\u4ea4\u4e92\u4e14\u54cd\u5e94\u65f6\u95f4\u572850ms\u5185\u7684\u65f6\u95f4<\/td>\n<td>&lt; 3.8\u79d2<\/td>\n<td>~<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9875\u9762\u52a0\u8f7d\u65f6\u95f4<\/strong><\/td>\n<td>\u52a0\u8f7d\u6240\u6709\u9875\u9762\u8d44\u6e90\uff08HTML\u3001CSS\u3001JS\u3001\u56fe\u7247\uff09\u6240\u7528\u603b\u65f6\u95f4<\/td>\n<td>&lt; 2\u79d2<\/td>\n<td>~<\/td>\n<\/tr>\n<tr>\n<td><strong>DNS\u67e5\u8be2\u65f6\u95f4<\/strong><\/td>\n<td>\u57df\u540d\u89e3\u6790\u4e3aIP\u5730\u5740\u7684\u65f6\u95f4<\/td>\n<td>&lt; 20\u6beb\u79d2\uff08\u7f13\u5b58\uff09<\/td>\n<td>~<\/td>\n<\/tr>\n<tr>\n<td><strong>SSL\u63e1\u624b\u65f6\u95f4<\/strong><\/td>\n<td>TCP\u8fde\u63a5\u52a0TLS\u534f\u5546\u5f00\u9500<\/td>\n<td>&lt; 300\u6beb\u79d2<\/td>\n<td>~<\/td>\n<\/tr>\n<tr>\n<td><strong>API\u54cd\u5e94\u65f6\u95f4<\/strong><\/td>\n<td>\u540e\u7aefAPI\u5355\u6b21\u8bf7\u6c42\u5f80\u8fd4\u5ef6\u8fdf<\/td>\n<td>\u89c6\u57fa\u7ebf\u800c\u5b9a<\/td>\n<td>~<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9519\u8bef\u7387<\/strong><\/td>\n<td>\u8fd4\u56de4xx\u62165xx\u9519\u8bef\u7684\u8bf7\u6c42\u767e\u5206\u6bd4<\/td>\n<td>&lt; 0.1%<\/td>\n<td>&gt; 1%<\/td>\n<\/tr>\n<tr>\n<td><strong>Apdex\u5f97\u5206<\/strong><\/td>\n<td>\u7528\u6237\u6ee1\u610f\u5ea6\u6307\u6570\uff0c\u8303\u56f40\uff08\u6700\u5dee\uff09\u81f31\uff08\u6700\u597d\uff09<\/td>\n<td>&gt; 0.9<\/td>\n<td>&lt; 0.7<\/td>\n<\/tr>\n<tr>\n<td><strong>\u541e\u5410\u91cf<\/strong><\/td>\n<td>\u6bcf\u79d2\u5904\u7406\u8bf7\u6c42\u6570\uff08RPS\/TPS\uff09<\/td>\n<td>\u89c6\u57fa\u7ebf\u800c\u5b9a<\/td>\n<td>~<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 id='1-\u9996\u5b57\u8282\u65f6\u95f4-ttfb'  id=\"boomdevs_9\">1. \u9996\u5b57\u8282\u65f6\u95f4 (TTFB)<\/h3>\n<p>TTFB\u8861\u91cf\u6d4f\u89c8\u5668\u53d1\u8d77HTTP\u8bf7\u6c42\u5230\u63a5\u6536\u5230\u54cd\u5e94\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u7684\u5b8c\u6574\u8017\u65f6\u3002\u5b83\u662f\u4e00\u4e2a\u590d\u5408\u6307\u6807\uff0c\u5305\u542b\u56db\u4e2a\u9636\u6bb5\uff1aDNS\u89e3\u6790\u3001TCP\u8fde\u63a5\u5efa\u7acb\u3001TLS\u63e1\u624b\uff08HTTPS\u65f6\uff09\u3001\u670d\u52a1\u5668\u5904\u7406\u65f6\u95f4\u3002\u56e0\u6b64\uff0cTTFB\u8fc7\u9ad8\u5e76\u4e0d\u6307\u5411\u5355\u4e00\u539f\u56e0\uff0c\u800c\u662f\u94fe\u4e2d\u67d0\u4e2a\u73af\u8282\u51fa\u73b0\u74f6\u9888\uff0c\u5982DNS\u4f20\u64ad\u5ef6\u8fdf\u3001\u7f51\u7edc\u8def\u7531\u4f4e\u6548\u3001CDN\u9519\u8bef\u8def\u7531\u3001TLS\u534f\u5546\u5f00\u9500\u6216\u670d\u52a1\u5668\u5e94\u7528\u903b\u8f91\u7f13\u6162\u3002\u8bca\u65ad\u9700\u5c06TTFB\u62c6\u89e3\u4e3a\u5404\u9636\u6bb5\u65f6\u957f\uff0c\u7011\u5e03\u56fe\u80fd\u63ed\u793a\u7ec6\u8282\u3002\u826f\u597dTTFB\u5e94\u4f4e\u4e8e800\u6beb\u79d2\uff0c\u8d85\u8fc71800\u6beb\u79d2\u9700\u5168\u9762\u68c0\u67e5\u6240\u6709\u76f8\u5173\u73af\u8282\u3002<\/p>\n<h3 id='2-\u9996\u6b21\u5185\u5bb9\u7ed8\u5236-fcp'  id=\"boomdevs_10\">2. \u9996\u6b21\u5185\u5bb9\u7ed8\u5236 (FCP)<\/h3>\n<p>FCP\u6307\u6d4f\u89c8\u5668\u9996\u6b21\u6e32\u67d3DOM\u5185\u5bb9\uff08\u6587\u672c\u3001\u56fe\u7247\u6216\u753b\u5e03\uff09\u65f6\u523b\u3002\u5b83\u4e3a\u7528\u6237\u63d0\u4f9b\u89c6\u89c9\u4e0a\u7684\u7b2c\u4e00\u6b21\u52a0\u8f7d\u53cd\u9988\u3002\u8c37\u6b4c\u6807\u51c6\uff1a\u4f4e\u4e8e1.8\u79d2\u4e3a\u201c\u826f\u597d\u201d\uff0c1.8\u20133\u79d2\u4e3a\u201c\u9700\u6539\u8fdb\u201d\uff0c\u8d85\u8fc73\u79d2\u4e3a\u201c\u4e0d\u826f\u201d\u3002<\/p>\n<h3 id='3-\u6700\u5927\u5185\u5bb9\u7ed8\u5236-lcp'  id=\"boomdevs_11\">3. \u6700\u5927\u5185\u5bb9\u7ed8\u5236 (LCP)<\/h3>\n<p>LCP\u6307\u89c6\u53e3\u5185\u6700\u5927\u53ef\u89c1\u5185\u5bb9\u5143\u7d20\uff08\u901a\u5e38\u662f\u4e3b\u89c6\u89c9\u56fe\u50cf\u6216\u6807\u9898\uff09\u5b8c\u6210\u6e32\u67d3\u65f6\u95f4\u3002\u5b83\u662f\u8861\u91cf\u611f\u77e5\u52a0\u8f7d\u901f\u5ea6\u7684\u4e3b\u8981\u6838\u5fc3\u7f51\u9875\u6307\u6807\u3002\u8c37\u6b4c\u9608\u503c\uff1a\u4f4e\u4e8e2.5\u79d2\u826f\u597d\uff0c2.5\u20134\u79d2\u9700\u6539\u8fdb\uff0c\u8d85\u8fc74\u79d2\u4e0d\u4f73\u3002<\/p>\n<h3 id='4-\u4ea4\u4e92\u5230\u4e0b\u4e00\u7ed8\u5236-inp'  id=\"boomdevs_12\">4. \u4ea4\u4e92\u5230\u4e0b\u4e00\u7ed8\u5236 (INP)<\/h3>\n<p>INP\u4e8e2024\u5e743\u6708\u53d6\u4ee3\u9996\u6b21\u8f93\u5165\u5ef6\u8fdf\uff08FID\uff09\u6210\u4e3a\u6838\u5fc3\u7f51\u9875\u6307\u6807\u3002\u5b83\u6d4b\u91cf\u9875\u9762\u8bbf\u95ee\u671f\u95f4\u6240\u6709\u7528\u6237\u4ea4\u4e92\uff08\u70b9\u51fb\u3001\u6309\u952e\u3001\u89e6\u6478\uff09\u7684\u7aef\u5230\u7aef\u5ef6\u8fdf\uff0c\u5e76\u62a5\u544a\u63a5\u8fd1\u6700\u5dee\u8868\u73b0\u7684\u503c\u3002\u8bbe\u8ba1\u4e0aINP\u5bf9\u5355\u4e2a\u5f02\u5e38\u6162\u4ea4\u4e92\u4e0d\u654f\u611f\uff0c\u53cd\u6620\u5728\u5178\u578b\u8d1f\u8f7d\u4e0b\u9875\u9762\u54cd\u5e94\u901f\u5ea6\u3002\u7406\u60f3INP\u4f4e\u4e8e200\u6beb\u79d2\uff0c\u8d85\u8fc7500\u6beb\u79d2\u4e0d\u4f73\u3002<\/p>\n<h3 id='5-\u7d2f\u8ba1\u5e03\u5c40\u504f\u79fb-cls'  id=\"boomdevs_13\">5. \u7d2f\u8ba1\u5e03\u5c40\u504f\u79fb (CLS)<\/h3>\n<p>CLS\u8861\u91cf\u9875\u9762\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\u5185\u5bb9\u610f\u5916\u4f4d\u79fb\u7684\u89c6\u89c9\u7a33\u5b9a\u6027\u3002\u5f97\u5206\u4f4e\u4e8e0.1\u4e3a\u826f\u597d\uff0c\u8d85\u8fc70.25\u4e3a\u4e0d\u4f73\u3002\u5e03\u5c40\u504f\u79fb\u901a\u5e38\u7531\u56fe\u7247\u7f3a\u5c3a\u5bf8\u3001\u5e7f\u544a\u63d2\u5165\u6216\u5b57\u4f53\u5ef6\u8fdf\u5207\u6362\u5f15\u8d77\u3002<\/p>\n<h3 id='6-\u603b\u963b\u585e\u65f6\u95f4-tbt'  id=\"boomdevs_14\">6. \u603b\u963b\u585e\u65f6\u95f4 (TBT)<\/h3>\n<p>TBT\u662f\u5b9e\u9a8c\u5ba4\u6307\u6807\uff0c\u5982Lighthouse\u6d4b\u91cf\uff0c\u8ba1\u7b97FCP\u81f3TTI\u95f4\u4e3b\u7ebf\u7a0b\u957f\u671f\u4efb\u52a1\uff08\u8d85\u8fc750\u6beb\u79d2\uff09\u963b\u585e\u603b\u65f6\u957f\u3002\u9ad8TBT\u6307\u793a\u52a0\u8f7d\u9636\u6bb5\u4e3b\u7ebf\u7a0b\u4e25\u91cd\u963b\u585e\uff0c\u5bfc\u81f4\u8f93\u5165\u54cd\u5e94\u5ef6\u8fdf\u548c\u5361\u987f\u3002\u4f5c\u4e3a\u8bca\u65ad\u4fe1\u53f7\uff0c\u5e94\u7528\u6765\u67e5\u627e\u963b\u585eJavascript\u5e76\u7ed3\u5408\u771f\u5b9e\u7528\u6237\u6307\u6807\uff08\u5982INP\uff09\u9a8c\u8bc1\u5f71\u54cd\u3002\u826f\u597dTBT\u5c11\u4e8e200\u6beb\u79d2\uff0c\u8d85\u8fc7600\u6beb\u79d2\u4e3a\u5dee\u3002<\/p>\n<h3 id='7-\u4e92\u52a8\u65f6\u95f4-tti'  id=\"boomdevs_15\">7. \u4e92\u52a8\u65f6\u95f4 (TTI)<\/h3>\n<p>TTI\u6807\u5fd7\u9875\u9762\u5b8c\u5168\u53ef\u4ea4\u4e92\u2014\u2014JavaScript\u52a0\u8f7d\u5b8c\u6210\uff0c\u4e3b\u7ebf\u7a0b\u7a7a\u95f2\uff0c\u4e14\u7528\u6237\u8f93\u5165\u54cd\u5e94\u65f6\u95f4\u4f4e\u4e8e50\u6beb\u79d2\u7684\u65f6\u523b\u3002\u4e3b\u6d41\u79fb\u52a8\u8bbe\u5907\u7406\u60f3TTI\u4f4e\u4e8e3.8\u79d2\u3002<\/p>\n<h3 id='8-\u9875\u9762\u52a0\u8f7d\u65f6\u95f4'  id=\"boomdevs_16\">8. \u9875\u9762\u52a0\u8f7d\u65f6\u95f4<\/h3>\n<p>\u7f51\u9875\u6240\u6709\u8d44\u6e90\uff08HTML\u3001CSS\u3001JavaScript\u3001\u56fe\u7247\u3001\u5b57\u4f53\u3001API\u54cd\u5e94\uff09\u5b8c\u5168\u52a0\u8f7d\u6240\u7528\u603b\u65f6\u95f4\u3002\u5386\u53f2\u4e0a\u4e3a\u4e3b\u6027\u80fd\u6307\u6807\uff0c\u73b0\u5728\u4f5c\u4e3a\u591a\u4fe1\u53f7\u4e4b\u4e00\u3002\u7ade\u4e89\u6027\u4f53\u9a8c\u76ee\u6807\u4e3a\u4f4e\u4e8e2\u79d2\u3002<\/p>\n<h3 id='9-dns\u67e5\u8be2\u65f6\u95f4'  id=\"boomdevs_17\">9. DNS\u67e5\u8be2\u65f6\u95f4<\/h3>\n<p>\u57df\u540d\u89e3\u6790\u6210IP\u5730\u5740\u7684\u65f6\u95f4\u3002\u7f13\u5b58\u67e5\u8be2\u901a\u5e38\u4f4e\u4e8e20\u6beb\u79d2\uff0c\u51b7\u542f\u52a8\u9012\u5f52\u67e5\u8be2\u53ef\u80fd\u8fbe\u5230100\u6beb\u79d2\u81f31\u79d2\u4ee5\u4e0a\uff0c\u5c24\u5176\u662f\u8fdc\u79bb\u6743\u5a01DNS\u670d\u52a1\u5668\u5730\u533a\u6216\u4f20\u64ad\u5ef6\u8fdf\u671f\u95f4\u3002<\/p>\n<h3 id='10-\u8fde\u63a5\u4e0essl\u63e1\u624b\u65f6\u95f4'  id=\"boomdevs_18\">10. \u8fde\u63a5\u4e0eSSL\u63e1\u624b\u65f6\u95f4<\/h3>\n<p>\u5efa\u7acbTCP\u8fde\u63a5\u53ca\u5b8c\u6210HTTPS\u6240\u9700TLS\u63e1\u624b\u7684\u65f6\u95f4\u3002SSL\u63e1\u624b\u901a\u5e38\u4e3a100\u81f3300\u6beb\u79d2\u3002\u4f7f\u7528TLS 1.3\u548c\u4f1a\u8bdd\u6062\u590d\u53ef\u5927\u5e45\u51cf\u5c11\u6b64\u65f6\u95f4\u3002<\/p>\n<h3 id='11-api\u54cd\u5e94\u65f6\u95f4'  id=\"boomdevs_19\">11. API\u54cd\u5e94\u65f6\u95f4<\/h3>\n<p>\u5bf9\u4e8e\u4f9d\u8d56\u540e\u7aefAPI\u7684Web\u5e94\u7528\uff0cAPI\u54cd\u5e94\u65f6\u95f4\u901a\u5e38\u662f\u611f\u77e5\u6027\u80fd\u7684\u6700\u5927\u51b3\u5b9a\u56e0\u7d20\u3002\u6bcf\u589e\u52a0100\u6beb\u79d2\u5ef6\u8fdf\uff0c\u5728\u591a\u6b65\u9aa4\u6d41\u7a0b\u4e2d\u5f71\u54cd\u4f1a\u7d2f\u79ef\u3002\u72ec\u7acb\u76d1\u63a7API\u54cd\u5e94\u65f6\u95f4\u5bf9\u4e8e\u8bca\u65ad\u524d\u7aef\u3001\u540e\u7aef\u6216\u7b2c\u4e09\u65b9\u670d\u52a1\u7684\u6027\u80fd\u74f6\u9888\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3 id='12-\u9519\u8bef\u7387'  id=\"boomdevs_20\">12. \u9519\u8bef\u7387<\/h3>\n<p>\u8fd4\u56de4xx\u62165xx\u9519\u8bef\u8bf7\u6c42\u7684\u5360\u6bd4\u3002\u9519\u8bef\u7387\u4e0a\u5347\u5f80\u5f80\u9884\u793a\u6216\u4f34\u968f\u6027\u80fd\u6076\u5316\uff0c\u5fc5\u987b\u7eb3\u5165\u6027\u80fd\u76d1\u63a7\u3002<\/p>\n<h3 id='13-apdex\u5f97\u5206'  id=\"boomdevs_21\">13. Apdex\u5f97\u5206<\/h3>\n<p>\u5e94\u7528\u6027\u80fd\u6307\u6570\uff08Apdex\uff09\u4ee50\u81f31\u6570\u503c\u8868\u793a\u7528\u6237\u6ee1\u610f\u5ea6\u3002\u5b9a\u4e49\u4e00\u4e2a\u76ee\u6807\u54cd\u5e94\u65f6\u95f4T\uff0c\u54cd\u5e94\u5feb\u4e8eT\u4e3a\u6ee1\u610f\uff0cT\u81f34T\u4e3a\u5bb9\u5fcd\uff0c\u8d85\u8fc74T\u4e3a\u4e0d\u6ee1\u3002\u5f97\u52061\u8868\u793a\u6240\u6709\u7528\u6237\u6ee1\u610f\uff0c\u4f4e\u4e8e0.7\u8bf4\u660e\u5b58\u5728\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<h3 id='14-\u541e\u5410\u91cf'  id=\"boomdevs_22\">14. \u541e\u5410\u91cf<\/h3>\n<p>\u5e94\u7528\u6bcf\u5355\u4f4d\u65f6\u95f4\u5904\u7406\u7684\u8bf7\u6c42\u6570\u91cf\uff0c\u5355\u4f4d\u4e3a\u6bcf\u79d2\u8bf7\u6c42\u6570\uff08RPS\uff09\u6216\u6bcf\u79d2\u4e8b\u52a1\u6570\uff08TPS\uff09\u3002\u541e\u5410\u91cf\u76d1\u63a7\u6709\u52a9\u4e8e\u63d0\u524d\u8bc6\u522b\u5bb9\u91cf\u74f6\u9888\uff0c\u9632\u6b62\u7528\u6237\u4f53\u9a8c\u6545\u969c\u3002<\/p>\n<h2 id='web-\u5e94\u7528\u6027\u80fd\u8fd0\u4f5c\u673a\u5236-\u5b8c\u6574\u8bf7\u6c42\u751f\u547d\u5468\u671f'  id=\"boomdevs_23\">Web \u5e94\u7528\u6027\u80fd\u8fd0\u4f5c\u673a\u5236\uff1a\u5b8c\u6574\u8bf7\u6c42\u751f\u547d\u5468\u671f<\/h2>\n<p>\u4f18\u5316\u6027\u80fd\u9700\u4e86\u89e3\u6f5c\u5728\u5ef6\u8fdf\u7684\u6bcf\u4e2a\u73af\u8282\u3002<\/p>\n<ol>\n<li><strong>DNS\u89e3\u6790<\/strong> &#8211; \u6d4f\u89c8\u5668\u5c06\u57df\u540d\u89e3\u6790\u4e3aIP\u5730\u5740\u3002\u82e5TTL\u8fc7\u671f\uff0c\u5219\u9700\u8fdb\u884c\u9012\u5f52\u67e5\u8be2\uff0c\u5ef6\u8fdf\u6839\u636e\u5730\u7406\u4f4d\u7f6e\u548c\u89e3\u6790\u94fe\u6df1\u5ea6\u53ef\u80fd\u4ece20\u6beb\u79d2\u5230\u8d85\u8fc71\u79d2\u4e0d\u7b49\u3002<\/li>\n<li><strong>TCP\u8fde\u63a5<\/strong> &#8211; \u6d4f\u89c8\u5668\u901a\u8fc7\u4e09\u6b21\u63e1\u624b\uff08SYN\u3001SYN-ACK\u3001ACK\uff09\u4e0e\u670d\u52a1\u5668\u5efa\u7acbTCP\u8fde\u63a5\u3002\u5730\u7406\u8ddd\u79bb\u8d8a\u8fdc\uff0c\u5f80\u8fd4\u65f6\u95f4\u8d8a\u957f\u3002\u6fb3\u5927\u5229\u4e9a\u7528\u6237\u8fde\u7f8e\u56fd\u5f17\u5409\u5c3c\u4e9a\u670d\u52a1\u5668\uff0c\u5355\u6b64\u6b65\u9aa4\u53ef\u80fd\u52a0200\u5230300\u6beb\u79d2\u3002<\/li>\n<li><strong>TLS\u534f\u5546<\/strong> &#8211; HTTPS\u65f6\uff0c\u6d4f\u89c8\u5668\u4e0e\u670d\u52a1\u5668\u534f\u5546\u52a0\u5bc6\u53c2\u6570\u3001\u4ea4\u6362\u8bc1\u4e66\u5e76\u751f\u6210\u4f1a\u8bdd\u5bc6\u94a5\u3002TLS 1.3\u5c06\u521d\u59cb\u63e1\u624b\u4eceTLS 1.2\u7684\u4e24\u6b21\u5f80\u8fd4\u51cf\u5c11\u4e3a\u4e00\u6b21\uff0c\u540e\u7eed\u8fde\u63a5\u652f\u63010-RTT\u4f1a\u8bdd\u6062\u590d\uff0c\u5141\u8bb8\u9996\u6b21\u6d88\u606f\u53d1\u9001\u5e94\u7528\u6570\u636e\uff0c\u5f7b\u5e95\u6d88\u9664\u63e1\u624b\u5ef6\u8fdf\u3002<\/li>\n<li><strong>\u53d1\u9001HTTP\u8bf7\u6c42<\/strong> &#8211; \u6d4f\u89c8\u5668\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u4f20\u8f93\u5927\u5c0f\u3001\u5934\u90e8\u548cCookie\u5f71\u54cd\u8017\u65f6\u3002<\/li>\n<li><strong>\u670d\u52a1\u5668\u5904\u7406<\/strong> &#8211; \u670d\u52a1\u5668\u63a5\u6536\u8bf7\u6c42\uff0c\u6267\u884c\u4e1a\u52a1\u903b\u8f91\uff08\u6570\u636e\u5e93\u67e5\u8be2\u3001\u8ba4\u8bc1\u3001\u6a21\u7248\u6e32\u67d3\u7b49\uff09\uff0c\u51c6\u5907\u54cd\u5e94\u3002\u6b64\u73af\u8282\u5bf9\u540e\u7aef\u6027\u80fd\u5f71\u54cd\u6700\u5927\u3002<\/li>\n<li><strong>\u54cd\u5e94\u4f20\u8f93<\/strong> &#8211; \u670d\u52a1\u5668\u5c06\u54cd\u5e94\u6570\u636e\u6d41\u56de\u6d4f\u89c8\u5668\u3002\u54cd\u5e94\u5927\u5c0f\u3001\u538b\u7f29\uff08gzip\/Brotli\uff09\u548c\u7f51\u7edc\u5e26\u5bbd\u5f71\u54cd\u4f20\u8f93\u65f6\u95f4\u3002<\/li>\n<li><strong>\u6d4f\u89c8\u5668\u6e32\u67d3<\/strong> &#8211; \u6d4f\u89c8\u5668\u89e3\u6790HTML\uff0c\u6784\u5efaDOM\uff0c\u52a0\u8f7d\u5b50\u8d44\u6e90\uff08CSS\u3001JS\u3001\u56fe\u7247\u3001\u5b57\u4f53\uff09\uff0c\u6267\u884cJavaScript\uff0c\u751f\u6210\u6e32\u67d3\u6811\uff0c\u5e03\u5c40\u5143\u7d20\uff0c\u7ed8\u5236\u56fe\u50cf\u3002\u524d\u7aef\u6027\u80fd\u4f18\u5316\u624b\u6bb5\u5982\u4ee3\u7801\u62c6\u5206\u3001\u61d2\u52a0\u8f7d\u3001\u5173\u952eCSS\u6700\u6709\u6548\u3002<\/li>\n<li><strong>JavaScript\u6267\u884c<\/strong> &#8211; \u957f\u65f6\u95f4JavaScript\u4efb\u52a1\u963b\u585e\u4e3b\u7ebf\u7a0b\uff0c\u5ef6\u8fdf\u4ea4\u4e92\u52a0\u8f7d\u3002\u7b2c\u4e09\u65b9\u811a\u672c\uff08\u5206\u6790\u3001\u5e7f\u544a\u3001\u804a\u5929\u3001A\/B\u6d4b\u8bd5\uff09\u5e38\u8d21\u732e\u5927\u91cf\u963b\u585e\u65f6\u95f4\u3002<\/li>\n<\/ol>\n<p>\u6bcf\u4e00\u4e2a\u9636\u6bb5\u90fd\u53ef\u80fd\u6210\u4e3a\u6027\u80fd\u74f6\u9888\u3002\u6709\u6548\u7684Web\u5e94\u7528\u6027\u80fd\u76d1\u63a7\u5fc5\u987b\u6db5\u76d6\u6240\u6709\u73af\u8282\u3002<\/p>\n<h2 id='8\u4e2a\u5e38\u89c1\u7684web\u5e94\u7528\u6027\u80fd\u5dee\u539f\u56e0'  id=\"boomdevs_24\">8\u4e2a\u5e38\u89c1\u7684Web\u5e94\u7528\u6027\u80fd\u5dee\u539f\u56e0<\/h2>\n<h3 id='1-\u56fe\u50cf\u672a\u4f18\u5316'  id=\"boomdevs_25\">1. \u56fe\u50cf\u672a\u4f18\u5316<\/h3>\n<p>\u56fe\u50cf\u901a\u5e38\u5360\u9875\u9762\u603b\u91cd\u91cf\u768450\u201370%\u3002\u670d\u52a12\u500d\u663e\u793a\u5c3a\u5bf8\u7684JPEG\u56fe\u50cf\u3001\u4e0d\u4f7f\u7528WebP\u6216AVIF\u7b49\u73b0\u4ee3\u683c\u5f0f\u3001\u4ee5\u53ca\u672a\u5b9e\u73b0\u5c4f\u5e55\u5916\u56fe\u50cf\u61d2\u52a0\u8f7d\u662f\u6700\u5e38\u89c1\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<h3 id='2-\u963b\u585e\u6e32\u67d3\u7684javascript\u548ccss'  id=\"boomdevs_26\">2. \u963b\u585e\u6e32\u67d3\u7684JavaScript\u548cCSS<\/h3>\n<p>\u4e2d\u5f15\u7528\u7684JavaScript\u548cCSS\u6587\u4ef6\u4f1a\u963b\u585e\u6d4f\u89c8\u5668\u6e32\u67d3\u9875\u9762\uff0c\u76f4\u5230\u4e0b\u8f7d\u548c\u89e3\u6790\u5b8c\u6210\u3002\u5355\u4e2a500KB\u672a\u538b\u7f29JavaScript\u5305\u57284G\u8fde\u63a5\u4e0b\u4f1a\u589e\u52a02\u52304\u79d2\u7684LCP\u3002<\/p>\n<h3 id='3-\u8fc7\u591a\u7b2c\u4e09\u65b9\u811a\u672c'  id=\"boomdevs_27\">3. \u8fc7\u591a\u7b2c\u4e09\u65b9\u811a\u672c<\/h3>\n<p>\u5e73\u5747\u7f51\u9875\u52a0\u8f7d8\u523010\u4e2a\u7b2c\u4e09\u65b9\u6765\u6e90\u811a\u672c\u3002\u6bcf\u4e2a\u811a\u672c\u90fd\u8981\u8fdb\u884cDNS\u67e5\u8be2\u3001TCP\u8fde\u63a5\u548cTLS\u63e1\u624b\u3002\u5206\u6790\u3001\u6807\u7b7e\u7ba1\u7406\u3001\u804a\u5929\u7a97\u53e3\u548c\u5e7f\u544a\u7f51\u7edc\u4f1a\u589e\u52a0500\u6beb\u79d2\u52302\u79d2\u4e0d\u7b49\u7684\u52a0\u8f7d\u65f6\u95f4\u3002<\/p>\n<h3 id='4-\u6570\u636e\u5e93\u67e5\u8be2\u4f4e\u6548'  id=\"boomdevs_28\">4. \u6570\u636e\u5e93\u67e5\u8be2\u4f4e\u6548<\/h3>\n<p>N+1\u67e5\u8be2\u95ee\u9898\u3001\u7f3a\u5931\u7d22\u5f15\u3001JOIN\u4e0d\u4f18\u5316\u53ca\u7f3a\u4e4f\u67e5\u8be2\u7f13\u5b58\u662f\u5e38\u89c1\u7684\u9ad8TTFB\u53ca\u670d\u52a1\u5668\u7aef\u7f13\u6162\u539f\u56e0\u3002\u767e\u4e07\u7ea7\u6570\u636e\u8868\u4e2d\u65e0\u7d22\u5f15\u67e5\u8be2\u53ef\u80fd\u8017\u65f63\u81f38\u79d2\u3002<\/p>\n<h3 id='5-\u7f3a\u5c11\u7f13\u5b58'  id=\"boomdevs_29\">5. \u7f3a\u5c11\u7f13\u5b58<\/h3>\n<p>\u672c\u53ef\u4ee5\u7f13\u5b58\u4f46\u6bcf\u6b21\u8bf7\u6c42\u90fd\u91cd\u65b0\u751f\u6210\u7684\u9875\u9762\u548cAPI\u54cd\u5e94\u6d6a\u8d39\u670d\u52a1\u5668\u8d44\u6e90\u5e76\u589e\u52a0\u5ef6\u8fdf\u3002\u7f3a\u5931\u6d4f\u89c8\u5668\u7f13\u5b58\u5934\u3001\u65e0CDN\u7f13\u5b58\u53ca\u65e0\u5e94\u7528\u5c42\u7f13\u5b58\uff08Redis\u3001Memcached\uff09\u53e0\u52a0\u52a0\u91cd\u95ee\u9898\u3002<\/p>\n<h3 id='6-\u65e0cdn\u6216cdn\u914d\u7f6e\u5dee'  id=\"boomdevs_30\">6. \u65e0CDN\u6216CDN\u914d\u7f6e\u5dee<\/h3>\n<p>\u65e0\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\u65f6\uff0c\u6240\u6709\u8bf7\u6c42\u90fd\u5fc5\u987b\u76f4\u8fbe\u6e90\u670d\u52a1\u5668\u3002\u8fdc\u7a0b\u5730\u533a\u7528\u6237\u5c06\u627f\u53d7\u4e0d\u6210\u6bd4\u4f8b\u7684\u5ef6\u8fdf\u3002\u4f8b\u5982\uff0c\u65b0\u52a0\u5761\u7528\u6237\u8bf7\u6c42\u7ebd\u7ea6\u670d\u52a1\u5668\uff0c\u7f51\u7edc\u5f80\u8fd4\u65f6\u95f4\u5c31\u53ef\u80fd\u5728160\u2013300\u6beb\u79d2\u4e4b\u95f4\u3002<\/p>\n<h3 id='7-\u5185\u5b58\u6cc4\u6f0f\u548c\u4f4e\u6548\u5ba2\u6237\u7aef\u4ee3\u7801'  id=\"boomdevs_31\">7. \u5185\u5b58\u6cc4\u6f0f\u548c\u4f4e\u6548\u5ba2\u6237\u7aef\u4ee3\u7801<\/h3>\n<p>JavaScript\u5185\u5b58\u6cc4\u6f0f\u5bfc\u81f4\u7528\u6237\u4f1a\u8bdd\u5185\u6027\u80fd\u9010\u6e10\u4e0b\u964d\u3002\u57fa\u4e8eReact\u3001Vue\u6216Angular\u7684\u5355\u9875\u5e94\u7528(SPA)\u5c24\u5176\u5bb9\u6613\u51fa\u73b0\u7ec4\u4ef6\u751f\u547d\u5468\u671f\u7ba1\u7406\u4e0d\u5f53\u3001\u4e8b\u4ef6\u76d1\u542c\u5668\u672a\u6e05\u7406\u53ca\u5168\u5c40\u72b6\u6001\u7ba1\u7406\u6df7\u4e71\u5f15\u8d77\u7684\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n<h3 id='8-\u57fa\u7840\u67b6\u6784\u9650\u5236'  id=\"boomdevs_32\">8. \u57fa\u7840\u67b6\u6784\u9650\u5236<\/h3>\n<p>\u670d\u52a1\u5668\u914d\u7f6e\u4e0d\u8db3\u3001CPU\u6216\u5185\u5b58\u7f3a\u4e4f\u3001I\/O\u74f6\u9888\u548c\u9519\u8bef\u914d\u7f6e\u7684\u8d1f\u8f7d\u5747\u8861\u5668\u90fd\u4f1a\u5e26\u6765\u65e0\u6cd5\u901a\u8fc7\u524d\u7aef\u4f18\u5316\u89e3\u51b3\u7684\u5ef6\u8fdf\u3002\u5782\u76f4\u6269\u5c55\u6709\u9650\uff0c\u6c34\u5e73\u6269\u5c55\u914d\u5408\u5408\u9002\u8d1f\u8f7d\u5747\u8861\u624d\u80fd\u5e94\u5bf9\u6d41\u91cf\u5cf0\u503c\u3002<\/p>\n<h2 id='\u5982\u4f55\u901a\u8fc7-dotcom-monitor-\u76d1\u63a7-web-\u5e94\u7528\u6027\u80fd'  id=\"boomdevs_33\">\u5982\u4f55\u901a\u8fc7 Dotcom-Monitor \u76d1\u63a7 Web \u5e94\u7528\u6027\u80fd<\/h2>\n<p><a href=\"https:\/\/www.dotcom-monitor.com\/zh-hans\/%e7%9b%91%e6%8e%a7%e4%ba%a7%e5%93%81\/web-application-monitoring\/\">Dotcom-Monitor \u7684 Web \u5e94\u7528\u76d1\u63a7<\/a>\u5e73\u53f0\u4e13\u4e3a\u73b0\u4ee3Web\u5e94\u7528\u7684\u590d\u6742\u6027\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u662f\u5b9e\u65bd\u5168\u9762\u6027\u80fd\u76d1\u63a7\u6d41\u7a0b\u7684\u65b9\u6cd5\u3002<\/p>\n<h3 id='\u6b65\u9aa4-1-\u4e3a\u5173\u952e\u9875\u9762\u8bbe\u7f6e\u5408\u6210\u76d1\u63a7'  id=\"boomdevs_34\">\u6b65\u9aa4 1\uff1a\u4e3a\u5173\u952e\u9875\u9762\u8bbe\u7f6e\u5408\u6210\u76d1\u63a7<\/h3>\n<p>\u5148\u786e\u5b9a5\u81f310\u4e2a\u4e1a\u52a1\u6700\u5173\u952e\u9875\u9762\uff1a\u9996\u9875\u3001\u767b\u5f55\u9875\u3001\u4e3b\u8981\u4ea7\u54c1\u6216\u670d\u52a1\u9875\u3001\u7ed3\u8d26\u6d41\u7a0b\u548c\u8d26\u6237\u4eea\u8868\u76d8\u901a\u5e38\u662f\u5408\u9002\u7684\u8d77\u70b9\u3002<\/p>\n<p>\u5728Dotcom-Monitor\u4e2d\u4e3a\u6bcf\u4e2a\u9875\u9762\u521b\u5efaWeb\uff08\u5168\u9875\u9762\u68c0\u6d4b\uff09\u4efb\u52a1\u3002\u8bbe\u7f6e\u4e3a\uff1a<\/p>\n<ul>\n<li>\u6bcf1\u81f35\u5206\u949f\u8fd0\u884c\u4e00\u6b21\uff08\u6839\u636e\u91cd\u8981\u6027\u8c03\u8282\uff09<\/li>\n<li>\u4ece\u591a\u4e2a\u5730\u7406\u4f4d\u7f6e\u6d4b\u8bd5\u2014\u2014\u81f3\u5c11\u4ece\u60a8\u6700\u5927\u7528\u6237\u7fa4\u6240\u5728\u5730\u533a\u6d4b\u8bd5<\/li>\n<li>\u4f7f\u7528\u771f\u5b9e\u6d4f\u89c8\u5668\uff08Chrome\uff09\u6355\u83b7\u5b8c\u6574\u6e32\u67d3\u94fe\u6307\u6807\uff0c\u5305\u62ecLCP\u3001FCP\u548cTBT<\/li>\n<li>\u91c7\u96c6\u7011\u5e03\u56fe\uff0c\u67e5\u770b\u6bcf\u4e2a\u8d44\u6e90\u7684\u52a0\u8f7d\u65f6\u95f4\uff0c\u800c\u975e\u4ec5\u9875\u9762\u603b\u65f6\u95f4<\/li>\n<\/ul>\n<p>Dotcom-Monitor\u5728\u5168\u740330\u591a\u4e2a\u76d1\u63a7\u8282\u70b9\u8fd0\u884c\u6d4b\u8bd5\uff0c\u5c55\u793a\u6027\u80fd\u968f\u5730\u57df\u53d8\u5316\u60c5\u51b5\u3002\u829d\u52a0\u54e51.8\u79d2LCP\u53ef\u80fd\u63a9\u76d6\u6089\u5c3c5.2\u79d2\u7684LCP\u3002<\/p>\n<h3 id='\u6b65\u9aa4-2-\u811a\u672c\u5316\u591a\u6b65\u9aa4\u7528\u6237\u65c5\u7a0b\u6d4b\u8bd5'  id=\"boomdevs_35\">\u6b65\u9aa4 2\uff1a\u811a\u672c\u5316\u591a\u6b65\u9aa4\u7528\u6237\u65c5\u7a0b\u6d4b\u8bd5<\/h3>\n<p>\u9759\u6001\u9875\u9762\u76d1\u63a7\u5fc5\u8981\u4f46\u4e0d\u591f\u3002\u4e3a\u5173\u952e\u7528\u6237\u6d41\u7a0b\u8bbe\u7f6e<a href=\"https:\/\/www.dotcom-monitor.com\/blog\/zh-hans\/web-transaction-monitoring-guide\/\">Web\u4e8b\u52a1\u76d1\u63a7<\/a>\u3002Dotcom-Monitor\u7684EveryStep Web Recorder\u5141\u8bb8\u5f55\u5236\u6d4f\u89c8\u5668\u4ea4\u4e92\u2014\u2014\u70b9\u51fb\u3001\u8868\u5355\u8f93\u5165\u3001\u5bfc\u822a\u6b65\u9aa4\u2014\u2014\u5e76\u4f5c\u4e3a\u811a\u672c\u76d1\u63a7\u4efb\u52a1\u91cd\u590d\u6267\u884c\u3002<\/p>\n<p>\u5bf9\u4e8e\u7535\u5546\u5e94\u7528\uff0c\u5f55\u5236\u5e76\u6301\u7eed\u76d1\u63a7\uff1a<\/p>\n<ol>\n<li>\u52a0\u8f7d\u9996\u9875\u5e76\u6838\u5b9e\u4e3b\u6a2a\u5e45\u6e32\u67d3<\/li>\n<li>\u641c\u7d22\u4ea7\u54c1\u5e76\u786e\u8ba4\u7ed3\u679c\u5c55\u793a<\/li>\n<li>\u70b9\u51fb\u4ea7\u54c1\u5e76\u786e\u8ba4\u4ea7\u54c1\u9875\u9762\u53ca\u4ef7\u683c\u6b63\u5e38<\/li>\n<li>\u6dfb\u52a0\u8d2d\u7269\u8f66\u5e76\u786e\u8ba4\u8d2d\u7269\u8f66\u66f4\u65b0<\/li>\n<li>\u8fdb\u5165\u7ed3\u8d26\u5e76\u786e\u8ba4\u7ed3\u8d26\u8868\u5355\u52a0\u8f7d<\/li>\n<li>\u6838\u5b9e\u652f\u4ed8\u8868\u5355\u548c\u8ba2\u5355\u6458\u8981\u6b63\u786e\u663e\u793a<\/li>\n<\/ol>\n<p>\u5982\u4efb\u4f55\u6b65\u9aa4\u5931\u8d25\u6216\u8d85\u51fa\u6027\u80fd\u9608\u503c\uff0cDotcom-Monitor\u5c06\u7acb\u5373\u63d0\u9192\u56e2\u961f\uff0c\u800c\u975e\u7b49\u7528\u6237\u6295\u8bc9\u540e\u624d\u53d1\u73b0\u3002<\/p>\n<h3 id='\u6b65\u9aa4-3-\u914d\u7f6e\u6027\u80fd\u9608\u503c\u548c\u544a\u8b66'  id=\"boomdevs_36\">\u6b65\u9aa4 3\uff1a\u914d\u7f6e\u6027\u80fd\u9608\u503c\u548c\u544a\u8b66<\/h3>\n<p>\u65e0\u9608\u503c\u539f\u59cb\u76d1\u63a7\u6613\u4ea7\u751f\u566a\u97f3\u3002\u5728Dotcom-Monitor\u4e2d\u6839\u636e\u76ee\u6807\u6027\u80fd\u8bbe\u7f6e\u54cd\u5e94\u65f6\u95f4\u9608\u503c\uff1a<\/p>\n<ul>\n<li><strong>\u9875\u9762\u52a0\u8f7d\u65f6\u95f4<\/strong>\uff1a\u8d85\u8fc73\u79d2\u89e6\u53d1\u544a\u8b66<\/li>\n<li><strong>TTFB<\/strong>\uff1a\u8d85\u8fc7800\u6beb\u79d2\u89e6\u53d1\u544a\u8b66<\/li>\n<li><strong>LCP<\/strong>\uff1a\u8d85\u8fc72.5\u79d2\u89e6\u53d1\u544a\u8b66<\/li>\n<li><strong>\u9519\u8bef\u7387<\/strong>\uff1a\u5173\u952e\u9875\u9762\u51fa\u73b05xx\u9519\u8bef\u6216JavaScript\u63a7\u5236\u53f0\u9519\u8bef\u7acb\u5373\u544a\u8b66<\/li>\n<\/ul>\n<p>\u8bbe\u7f6e\u544a\u8b66\u5347\u7ea7\u7b56\u7565\u2014\u2014\u4f8b\u5982\u9996\u6b21\u5931\u8d25\u53d1\u9001Slack\u901a\u77e5\uff0c\u8fde\u7eed\u4e09\u6b21\u5931\u8d25\u901a\u77e5\u503c\u73ed\u5de5\u7a0b\u5e08\uff0c\u6301\u7eed10\u5206\u949f\u6076\u5316\u4e0a\u62a5\u7ba1\u7406\u5c42\u3002<\/p>\n<p>Dotcom-Monitor\u652f\u6301\u901a\u8fc7\u90ae\u4ef6\u3001\u77ed\u4fe1\u3001\u7535\u8bdd\u3001PagerDuty\u3001Slack\u53caWebhook\u53d1\u9001\u544a\u8b66\uff0c\u786e\u4fdd\u901a\u77e5\u51c6\u786e\u9001\u8fbe\u76f8\u5173\u4eba\u5458\u3002<\/p>\n<h3 id='\u6b65\u9aa4-4-\u591a\u5730\u57df\u76d1\u63a7'  id=\"boomdevs_37\">\u6b65\u9aa4 4\uff1a\u591a\u5730\u57df\u76d1\u63a7<\/h3>\n<p>\u6027\u80fd\u975e\u5747\u5300\u5206\u5e03\u3002\u60a8\u7684CDN\u5728\u5317\u7f8e\u548c\u6b27\u6d32\u53ef\u80fd\u8986\u76d6\u5b8c\u5584\uff0c\u4f46\u5728\u4e1c\u5357\u4e9a\u3001\u4e2d\u4e1c\u6216\u62c9\u7f8e\u8986\u76d6\u7a00\u7f3a\u3002Dotcom-Monitor\u7684\u5168\u7403\u8282\u70b9\u7f51\u7edc\u4f7f\u60a8\u80fd\u4ece\u5723\u4fdd\u7f57\u3001\u65b0\u52a0\u5761\u3001\u5b5f\u4e70\u548c\u4e1c\u4eac\u7b49\u5730\u8fd0\u884c\u540c\u6837\u6d4b\u8bd5\uff0c\u771f\u5b9e\u53cd\u6620\u5168\u7403\u7528\u6237\u4f53\u9a8c\uff0c\u800c\u975e\u4ec5\u9650\u4e8e\u6700\u8fd1AWS\u533a\u57df\u3002<\/p>\n<p>\u5f53\u53d1\u73b0\u4f26\u6566LCP\u4e3a2.1\u79d2\u4f46\u96c5\u52a0\u8fbe\u4e3a6.4\u79d2\u65f6\uff0c\u8fd9\u662f\u660e\u786e\u3001\u53ef\u64cd\u4f5c\u7684\u4fe1\u53f7\uff1a\u5728\u4e1c\u5357\u4e9a\u589e\u52a0CDN PoP\u6216\u68c0\u67e5\u8be5\u533a\u57dfCDN\u8def\u7531\u914d\u7f6e\u3002<\/p>\n<h3 id='\u6b65\u9aa4-5-\u91c7\u96c6\u7011\u5e03\u56fe\u548c\u8d44\u6e90\u65f6\u95f4'  id=\"boomdevs_38\">\u6b65\u9aa4 5\uff1a\u91c7\u96c6\u7011\u5e03\u56fe\u548c\u8d44\u6e90\u65f6\u95f4<\/h3>\n<p>Dotcom-Monitor\u4e3a\u6bcf\u6b21\u5408\u6210\u6d4b\u8bd5\u91c7\u96c6\u8be6\u7ec6\u7011\u5e03\u56fe\u3002\u7011\u5e03\u56fe\u5c55\u793a\u6d4f\u89c8\u5668\u52a0\u8f7d\u7684\u6bcf\u4e2a\u8d44\u6e90\u2014\u2014HTML\u3001CSS\u3001JavaScript\u6587\u4ef6\u3001\u56fe\u7247\u3001\u5b57\u4f53\u3001API\u8c03\u7528\u2014\u2014\u5e76\u5c06\u6bcf\u4e2a\u8d44\u6e90\u7684DNS\u67e5\u8be2\u65f6\u95f4\u3001\u8fde\u63a5\u65f6\u95f4\u3001\u7b49\u5f85\u65f6\u95f4\u548c\u4f20\u8f93\u65f6\u95f4\u4ee5\u6a2a\u5411\u6761\u5f62\u56fe\u7684\u5f62\u5f0f\u5c55\u793a\u5728\u7edf\u4e00\u65f6\u95f4\u8f74\u4e0a\u3002<\/p>\n<p>\u7011\u5e03\u56fe\u5206\u6790\u80fd\u8bca\u65ad\u51fa\u9875\u9762\u53d8\u6162\u7684\u771f\u6b63\u539f\u56e0\uff0c\u800c\u975e\u4ec5\u77e5\u9875\u9762\u7f13\u6162\u3002\u672c\u8d28\u6027\u53d1\u73b0\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li>\u6e32\u67d3\u963b\u585eCSS\u6587\u4ef6\u6765\u81ea\u6162\u901fCDN\u8282\u70b9\uff0cFCP\u5ef6\u8fdf400\u6beb\u79d2<\/li>\n<li>\u7b2c\u4e09\u65b9\u5206\u6790\u811a\u672c\u54cd\u5e94\u8017\u65f61.8\u79d2\uff0c\u963b\u585e\u4e3b\u7ebf\u7a0b<\/li>\n<li>47\u4e2a\u56fe\u7247\u8bf7\u6c42\u672a\u5408\u5e76\u6216\u61d2\u52a0\u8f7d\uff0c\u5f62\u6210\u8bf7\u6c42\u7011\u5e03\u6d41\u6c34\u7ebf<\/li>\n<li>\u672c\u5e94120\u6beb\u79d2\u8fd4\u56de\u7684API\u8c03\u7528\u5076\u53d1\u5ef6\u8fdf\u8fbe2.4\u79d2<\/li>\n<\/ul>\n<p>\u8fd9\u7c7b\u4fe1\u606f\u5355\u4e00\u201c\u9875\u9762\u52a0\u8f7d\u65f6\u95f4\u201d\u6307\u6807\u65e0\u6cd5\u53cd\u6620\uff0c\u5fc5\u987b\u4f9d\u9760\u7011\u5e03\u56fe\u3002<\/p>\n<h3 id='\u6b65\u9aa4-6-\u4f7f\u7528\u771f\u5b9e\u6d4f\u89c8\u5668\u6d4b\u8bd5'  id=\"boomdevs_39\">\u6b65\u9aa4 6\uff1a\u4f7f\u7528\u771f\u5b9e\u6d4f\u89c8\u5668\u6d4b\u8bd5<\/h3>\n<p>\u8bb8\u591a\u57fa\u7840\u76d1\u63a7\u5de5\u5177\u4ec5\u4f7f\u7528HTTP\u5065\u5eb7\u68c0\u67e5\u9a8c\u8bc1\u670d\u52a1\u5668\u8fde\u901a\u6027\u53ca\u54cd\u5e94\u7801\u2014\u2014\u786e\u8ba4\u670d\u52a1\u5668\u8fd4\u56de200\uff0c\u4f46\u4e0d\u6267\u884cJavaScript\u3001\u4e0d\u89e3\u6790CSS\u3001\u65e0\u9875\u9762\u6e32\u67d3\u3002\u5bf9\u73b0\u4ee3Web\u5e94\u7528\u5927\u90e8\u5206\u524d\u7aef\u6027\u80fd\u95ee\u9898\u76f2\u533a\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ea\u6d4b\u670d\u52a1\u5668\u54cd\u5e94\u800c\u975e\u5b8c\u6574\u6d4f\u89c8\u5668\u4f53\u9a8c\u3002\u6ce8\u610f\u8fd9\u533a\u522b\u4e8e\u6e32\u67d3\u6a21\u5f0f\uff0cHeadless\u6d4f\u89c8\u5668\u5982Puppeteer\u3001Playwright\u4e5f\u5b8c\u6574\u6267\u884cJavaScript\u548cCSS\uff0c\u53ea\u662f\u4e0d\u663e\u793a\u754c\u9762\u3002\u533a\u522b\u5728\u4e8eHTTP\u68c0\u6d4b\u4e0e\u5168\u6d4f\u89c8\u5668\u68c0\u6d4b\u65b9\u6cd5\u3002<\/p>\n<p>Dotcom-Monitor\u5229\u7528\u771f\u5b9e\u6d4f\u89c8\u5668\u5185\u6838\u2014\u2014Chrome\u548cFirefox\u6267\u884c\u76d1\u63a7\u811a\u672c\u3002\u8fd9\u786e\u4fdd\u6355\u83b7\u5b8c\u6574\u6e32\u67d3\u4f53\u9a8c\uff1aJavaScript\u6267\u884c\u65f6\u95f4\u3001\u5b57\u4f53\u52a0\u8f7d\u3001\u56fe\u7247\u89e3\u7801\u65f6\u95f4\u53ca\u5e03\u5c40\u504f\u79fb\u3002\u8fd9\u662f\u7528\u6237\u771f\u5b9e\u6d4f\u89c8\u5668\u8868\u73b0\u6570\u636e\uff0c\u800c\u975e\u4f30\u7b97\u3002<\/p>\n<p>\u5bf9\u57fa\u4e8eReact\u3001Angular\u6216Vue\u6784\u5efa\u7684\u5355\u9875\u5e94\u7528\uff08SPA\uff09\u5c24\u4e3a\u91cd\u8981\uff0cHTML\u54cd\u5e94\u4ec5\u662f\u6846\u67b6\u58f3\uff0c\u5185\u5bb9\u9700\u7531JavaScript\u586b\u5145\u3002React SPA\u7684\u57fa\u672cHTTP\u5065\u5eb7\u68c0\u67e5\u663e\u793a\u5feb\u901f\u670d\u52a1\u5668\u54cd\u5e94\uff0c\u4f46\u7528\u6237\u5b9e\u9645\u4e0a\u7b49\u5f85\u6570\u79d2\u52a0\u8f7d\u5185\u5bb9\u3002<\/p>\n<h3 id='\u6b65\u9aa4-7-\u96c6\u6210\u90e8\u7f72\u5de5\u4f5c\u6d41'  id=\"boomdevs_40\">\u6b65\u9aa4 7\uff1a\u96c6\u6210\u90e8\u7f72\u5de5\u4f5c\u6d41<\/h3>\n<p>\u6027\u80fd\u56de\u5f52\u591a\u6e90\u81ea\u90e8\u7f72\u3002\u5f00\u53d1\u8005\u65b0\u589eJavaScript\u4f9d\u8d56\uff0c\u8bbe\u8ba1\u5e08\u4e0a\u4f204MB\u4e3b\u89c6\u89c9\u56fe\u50cf\uff0c\u5de5\u7a0b\u5e08\u6dfb\u52a0\u5173\u952e\u8def\u5f84API\u8c03\u7528\u3002<\/p>\n<p>Dotcom-Monitor\u7684API\u5141\u8bb8\u5728CI\/CD\u6d41\u6c34\u7ebf\u4e2d\u89e6\u53d1\u6d4b\u8bd5\u3002\u914d\u7f6e\u90e8\u7f72\u6d41\u7a0b\u4e3a\uff1a<\/p>\n<ol>\n<li>\u5728\u63a8\u5e7f\u81f3\u751f\u4ea7\u524d\u5bf9\u6d4b\u8bd5\u73af\u5883\u8fd0\u884cDotcom-Monitor\u6d4b\u8bd5\u5957\u4ef6<\/li>\n<li>\u82e5\u4efb\u4f55\u6027\u80fd\u6307\u6807\u8d85\u8fc7\u9608\u503c\u5219\u6784\u5efa\u5931\u8d25<\/li>\n<li>\u751f\u4ea7\u90e8\u7f72\u540e\u81ea\u52a8\u7acb\u5373\u91cd\u65b0\u8fd0\u884c\u5b8c\u6574\u6d4b\u8bd5\u5957\u4ef6<\/li>\n<li>\u5c06\u90e8\u7f72\u540e\u6027\u80fd\u6307\u6807\u4e0e\u90e8\u7f72\u524d\u57fa\u7ebf\u5bf9\u6bd4<\/li>\n<\/ol>\n<p>\u5b9e\u73b0\u6027\u80fd\u76d1\u63a7\u5de6\u79fb\u2014\u2014\u5728\u95ee\u9898\u5f71\u54cd\u7528\u6237\u524d\u6355\u83b7\u56de\u5f52\uff0c\u800c\u975e\u4e8b\u540e\u53d1\u73b0\u3002<\/p>\n<h3 id='\u6b65\u9aa4-8-\u8ddf\u8e2a\u6027\u80fd\u8d8b\u52bf'  id=\"boomdevs_41\">\u6b65\u9aa4 8\uff1a\u8ddf\u8e2a\u6027\u80fd\u8d8b\u52bf<\/h3>\n<p>\u5355\u70b9\u6027\u80fd\u6570\u636e\u4ef7\u503c\u6709\u9650\uff0c\u8d8b\u52bf\u624d\u91cd\u8981\u3002\u60a8\u7684LCP\u5b63\u5ea6\u73af\u6bd4\u5728\u63d0\u5347\u5417\uff1f\u968f\u7740\u6570\u636e\u5e93\u589e\u957f\uff0cTTFB\u662f\u5426\u9010\u6e10\u6076\u5316\uff1f2024\u5e743\u6708\u67d0\u6b21\u90e8\u7f72\u662f\u5426\u5f15\u53d1\u9519\u8bef\u7387\u7684\u8dc3\u5347\u4e14\u672a\u89e3\u51b3\uff1f<\/p>\n<p>Dotcom-Monitor\u4fdd\u7559\u5386\u53f2\u6027\u80fd\u6570\u636e\u5e76\u63d0\u4f9b\u8d8b\u52bf\u5206\u6790\u7684\u4eea\u8868\u677f\u548c\u62a5\u544a\u3002\u53ef\u7528\u4e8e\uff1a<\/p>\n<ul>\n<li>\u8ddf\u8e2a\u6027\u80fd\u6539\u8fdb\u76ee\u6807\u8fdb\u5c55<\/li>\n<li>\u63d0\u524d\u53d1\u73b0\u6e10\u8fdb\u6027\u9000\u5316\u907f\u514d\u5371\u673a<\/li>\n<li>\u5c06\u6027\u80fd\u53d8\u5316\u4e0e\u90e8\u7f72\u3001\u6d41\u91cf\u5cf0\u503c\u6216\u57fa\u7840\u8bbe\u65bd\u53d8\u66f4\u5173\u8054<\/li>\n<li>\u5411\u5229\u76ca\u76f8\u5173\u8005\u6c47\u62a5\u6027\u80fd\u8d8b\u52bf\uff0c\u57fa\u4e8e\u6570\u636e\u800c\u975e\u4e2a\u4eba\u5370\u8c61<\/li>\n<\/ul>\n<h2 id='16\u6761-web-\u5e94\u7528\u6027\u80fd\u6700\u4f73\u5b9e\u8df5'  id=\"boomdevs_42\">16\u6761 Web \u5e94\u7528\u6027\u80fd\u6700\u4f73\u5b9e\u8df5<\/h2>\n<p>\u76d1\u63a7\u544a\u8bc9\u60a8\u95ee\u9898\u6240\u5728\uff0c\u6700\u4f73\u5b9e\u8df5\u6559\u60a8\u5982\u4f55\u4fee\u590d\u548c\u9884\u9632\u3002<\/p>\n<h3 id='\u524d\u7aef\u6027\u80fd\u6700\u4f73\u5b9e\u8df5'  id=\"boomdevs_43\">\u524d\u7aef\u6027\u80fd\u6700\u4f73\u5b9e\u8df5<\/h3>\n<p><strong>\u4f18\u5316\u56fe\u50cf\u3002<\/strong> \u4f7f\u7528WebP\u6216AVIF\u683c\u5f0f\uff0c\u8c03\u6574\u56fe\u50cf\u5c3a\u5bf8\u81f3\u663e\u793a\u5c3a\u5bf8\uff0c\u5bf9\u5c4f\u5e55\u4e0b\u65b9\u56fe\u50cf\u5b9e\u73b0\u61d2\u52a0\u8f7d\u3002\u4f7f\u7528\u652f\u6301\u81ea\u52a8\u56fe\u50cf\u4f18\u5316\u7684CDN\u3002\u672c\u7c7b\u522b\u4f18\u5316\u901a\u5e38\u53ef\u51cf\u5c1130\u201360%\u7684\u9875\u9762\u4f53\u79ef\u3002<\/p>\n<p><strong>\u6d88\u9664\u6e32\u67d3\u963b\u585e\u8d44\u6e90\u3002<\/strong> \u4f7f\u7528 defer \u6216 async \u5c5e\u6027\u5ef6\u8fdf\u975e\u5173\u952eJavaScript\u3002\u5185\u8054\u5173\u952eCSS\uff08\u7528\u4e8e\u9996\u5c4f\u6e32\u67d3\u7684CSS\uff09\uff0c\u5e76\u5f02\u6b65\u52a0\u8f7d\u5168\u91cf\u6837\u5f0f\u8868\u3002\u975e\u5173\u952eCSS\u5ef6\u540e\u52a0\u8f7d\u3002<\/p>\n<p><strong>\u5b9e\u73b0\u4ee3\u7801\u62c6\u5206\u3002<\/strong> \u5229\u7528\u52a8\u6001import()\u548c\u8def\u7531\u7ea7\u62c6\u5206\uff0c\u786e\u4fdd\u7528\u6237\u4ec5\u52a0\u8f7d\u5f53\u524d\u9875\u9762\u6240\u9700JS\u3002\u8bbf\u95ee\u9996\u9875\u65e0\u9700\u52a0\u8f7d\u7ed3\u8d26\u6d41\u7a0bJS\u3002<\/p>\n<p><strong>\u9884\u52a0\u8f7d\u5173\u952e\u8d44\u6e90\u3002<\/strong> \u5bf9\u5b57\u4f53\u3001\u5173\u952e\u56fe\u7247\u548cJavaScript\u4ee3\u7801\u5757\u4f7f\u7528\u3002\u5bf9\u7b2c\u4e09\u65b9\u57df\u4f7f\u7528\u3002\u5bf9\u5df2\u77e5\u8bf7\u6c42\u6e90\u4f7f\u7528\u3002<\/p>\n<p><strong>\u6700\u5c0f\u5316\u7b2c\u4e09\u65b9\u811a\u672c\u3002<\/strong> \u5ba1\u6838\u5173\u952e\u9875\u9762\u4e0a\u7684\u6bcf\u4e2a\u7b2c\u4e09\u65b9\u811a\u672c\u3002\u79fb\u9664\u65e0\u660e\u663e\u4ef7\u503c\u7684\u811a\u672c\u3002\u4fdd\u7559\u7684\u811a\u672c\u5f02\u6b65\u52a0\u8f7d\uff0c\u5e76\u5728\u7011\u5e03\u56fe\u4e2d\u76d1\u63a7\u5176\u6027\u80fd\u5f71\u54cd\u3002\u9996\u9875\u52a0\u4e861.5\u79d2LCP\u7684\u804a\u5929\u7ec4\u4ef6\u53ef\u80fd\u5f0a\u5927\u4e8e\u5229\u3002<\/p>\n<p><strong>\u4f7f\u7528\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\u3002<\/strong> \u6240\u6709\u9759\u6001\u8d44\u6e90\uff08JS\u3001CSS\u3001\u56fe\u7247\u3001\u5b57\u4f53\uff09\u901a\u8fc7CDN\u670d\u52a1\u3002CDN\u5728\u79bb\u7528\u6237\u5730\u7406\u4f4d\u7f6e\u8fd1\u7684\u8fb9\u7f18\u8282\u70b9\u7f13\u5b58\u5185\u5bb9\uff0c\u7f29\u77ed\u5e38\u7528\u8d44\u6e90\u7684\u5f80\u8fd4\u65f6\u95f4\u3002<\/p>\n<h3 id='\u540e\u7aef\u6027\u80fd\u6700\u4f73\u5b9e\u8df5'  id=\"boomdevs_44\">\u540e\u7aef\u6027\u80fd\u6700\u4f73\u5b9e\u8df5<\/h3>\n<p><strong>\u4f18\u5316\u6570\u636e\u5e93\u67e5\u8be2\u3002<\/strong> \u5b9a\u671f\u5ba1\u67e5\u6162\u67e5\u8be2\u65e5\u5fd7\u3002\u4e3aWHERE\u8bed\u53e5\u548cJOIN\u6761\u4ef6\u5217\u6dfb\u52a0\u7d22\u5f15\u3002\u901a\u8fc7\u67e5\u8be2\u6279\u5904\u7406\u6216\u9884\u52a0\u8f7d\u907f\u514dN+1\u67e5\u8be2\u3002\u5229\u7528EXPLAIN ANALYZE\u7406\u89e3\u6267\u884c\u8ba1\u5212\u3002\u8bbe\u7f6e\u6162\u67e5\u8be2\u544a\u8b66\u3002<\/p>\n<p><strong>\u5404\u5c42\u5b9e\u65bd\u7f13\u5b58\u3002<\/strong> 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