Automate running Lighthouse for every commit, viewing the changes, and preventing regressions
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.
Headless Chromium-based web performance metrics collector and monitoring tool
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.
CSS selectors complexity and performance analyzer