Lighthouse
Audit a web page for performance, accessibility, SEO and development best practices.
What’s included for free?
Free open-source audits through Chrome DevTools or local command-line tooling. Results are lab measurements; paid third-party monitoring and hosted services are separate.
Provider information ↗Checked 2026-10-09
Before you use it
Apache-2.0 software. Preserve required copyright, licence and NOTICE information when redistributing.
Provider terms can change. Check current pricing and usage rights before starting a project.