URL Performance Checker
Check the average load time of a webpage.
Analyze and visualize your website’s Core Web Vitals (LCP, INP, CLS, FCP, TTFB) in real-time
查看最近 30 天的用户变化。
按时间查看评分波动,辅助判断近期口碑是否稳定。
同口径展示 1 天、7 天、30 天的绝对增长与增长率。
查看发布时间、版本、支持语言、最近更新和抓取时间。
查看插件说明、主要功能和适用场景。
Site Speed Insights: Web Vitals Visualizer helps developers debug and visualize performance metrics directly inside the page. It measures Core Web Vitals in real time and shows interactive overlays for layout shifts, input delays, and paint timings, making it easier to understand what actually caused performance issues.
It also provides optional field performance insights to help you compare live page behavior with real-user Web Vitals data.
✅ Real-time Web Vitals tracking (CLS, LCP, INP, FCP, TTFB)
✅ Overlay visualization for layout shifts, slow inputs, and paint timings
✅ Field performance insights using Chrome UX Report (CrUX)
✅ Works on any website you open
查看最近评论和评分分布。
查看 Chrome 商店详情页中的相关产品。
Check the average load time of a webpage.
Check Core Web Vitals and compare metrics for desktop and mobile devices. Check pagespeed insights using our Chrome extension.
Analyzes the timing of all network requests on the current page
Perform Web Vitals & TTFB Test on Multiple Locations & Devices
Detect and analyze the technology stack of any website with comprehensive insights
Measure, visualize, and debug Core Web Vitals in real time. CrUX history, LCP/CLS/INP breakdowns and performance experiments