![Web 性能分析](/image/icon_large/mhpaedeeneljbnmhmofceiollddmfjcd.jpg)
Web 性能分析
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Version: 1.0
Updated: July 27, 2020
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关键性能指标。忽略页面卸载时间、重定向时间。 - 7. 资源分析 8. domainlookupstart` - # 压缩情况,未压缩分布,缓存命中率。 - ajax - 10. responseend` fetchstart` 页面加载:`loadeventstart 9. 5. domcontentloadedeventend` - fetchstart` 请求。 4. tcp:`connectend 5. 2. - - dns:`domainlookupend 1. 抽样10条最耗时的资源和 3. ready:`domcontentloadedeventend 2. 11. 数据传输:`responseend onload:`loadeventend 首次渲染/白屏:`responseend 1. 性能分析 6. 4. - connectstart` requeststart` - 2. - 4. 1. 请求资源域名分布,与各个域名平均耗时。 redirectstart` - 首次可交互:`dominteractive fetchstart` dom:`domcontentloadedeventstart 首包:`responsestart 6. unload:`unloadeventend fetchstart` unloadeventstart` - 各阶段指标瀑布流 http - - 5. dcl:`domcontentloadedeventend domainlookupstart` responsestart` 资源类型情况。 - 首页资源请求数量、加载大小和域名分布情况。 未设置响应头域名分布情况。 appcache:`domainlookupstart ttfb:`responsestart fetchstart` - - domcontentloadedeventstart` 资源加载:`loadeventstart - redirect:`redirectend loadeventstart` 3. dom 3. -
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