Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO, and more. You can run Lighthouse in Chrome DevTools, from the command line, or as a Node module. Given a URL, it runs a series of audits against the page and generates a detailed report on page quality.
Checked on Sep 30, 2026.
Alternative resources
sitespeed.io
Open source web performance tool providing HTML reports, Core Web Vitals, HAR waterfalls, and metrics for continuous monitoring.
Jaeger
Open source distributed tracing platform for monitoring and troubleshooting complex microservices-based distributed systems.
BoxWatch
Server monitoring tool for metrics, cron heartbeats, uptime checks, and process monitoring with an open-source agent.