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
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
Analyze the web performance of your site
Web performance library for measuring all User-centric performance metrics, including the latest Web Vitals.