perfume.js
Web performance library for measuring all User-centric performance metrics, including the latest Web Vitals.
Web performance library for measuring all User-centric performance metrics, including the latest Web Vitals.
⏱ Collect and measure browser performance metrics
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.
Send browser performance metrics to third-party analytics providers
Generic PerformanceObserver API wrapper for measuring performance metrics
Analyze the web performance of your site
Analyze the web performance of your site
前端性能监控,采集以及上报。用于测量第一个dom生成的时间(FP/FCP/LCP)、用户最早可操作时间(fid|tti)和组件的生命周期性能,,网络状况以及资源大小等等。向监控后台报告实际用户测量值。
Analyze the web performance of your site
Analyze the web performance of your site
Analyze the speed of your web page
Web performance library for measuring all User-centric performance metrics, including the latest Web Vitals.