前端性能指标的监控,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。

A Benchmarking Suite for popular Image Optimisation Tools

Progressive web metrics at your fingertipz

Experiment: Remove unused CSS/JS using RUM Code Coverage

Helper functions for web performance

Convert BlurHashes to CSS Objects using TypeScript, Rust, and WebAssembly.

Responsive, SVG based HAR waterfall viewer

⚡️ Web Perf Comparison for E-Commerce in Indonesia

An example showcasing different scenarios that produce different CLS scores.

Make optimisation of images part of your automated build process

"SQIP" (pronounced \skwɪb\ like the non-magical folk of magical descent) is a SVG-based LQIP technique.

Reactive Extensions for Angular.