GoogleChrome / lighthouse

Automated auditing, performance metrics, and best practices for the web.

sitespeedio / sitespeed.io

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.

nucliweb / webperf-snippets

Tested JavaScript snippets that measure and debug web performance. Your AI agent runs them for you, or you run them yourself in DevTools: the same code every time.