Perf.rocksCurated resources that help you build lightning fast websites
PhantomasHeadless Chromium-based web performance metrics collector and monitoring tool
DiscoveryDiscoveries on Sustainable Loading research
Nemetric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。
PwmetricsProgressive web metrics at your fingertipz
Yall.jsA fast, flexible, and small SEO-friendly lazy loader.
Import Costdisplays the import size of the package you are importing inside the code editor
Performance BookmarkletPerformance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.
Analyze CssCSS selectors complexity and performance analyzer
Speedtracker📉 Visualisation layer and data store for SpeedTracker
Sitespeed.ioSitespeed.io is an open source tool that helps you monitor, analyze and optimize your website speed and performance, based on performance best practices advices from the coach and collecting browser metrics using the Navigation Timing API, User Timings and Visual Metrics (FirstVisualChange, SpeedIndex & LastVisualChange).
Imageoptim CliMake optimisation of images part of your automated build process
Sqip"SQIP" (pronounced \skwɪb\ like the non-magical folk of magical descent) is a SVG-based LQIP technique.
awesome-wpo📝 A curated list of Web Performance Optimization. Everyone can contribute here!
craft-webperfWebperf helps you build & maintain high quality websites through Real User Measurement of your website's performance
lint-html-with-cssLint HTML with CSS. A collection of CSS snippets from the hashtag #lintHTMLwithCSS on twitter. These CSS snippets intend to warn developers about common mistakes made in HTML.
jekyll-gzipGenerate gzipped assets and files for your Jekyll site at build time
HowSlowA Service Worker that monitors network requests to estimate bandwidth and RTT