performance · Free tool
Lighthouse
Published by Chrome DevTools · Free · Official
Open-source auditing for performance, accessibility, SEO and best practices — built into Chrome and CI.
Why it matters
Lighthouse explains WHY a page scores the way it does, with prioritized opportunities you can act on locally.
What it helps with
- Running detailed audits from DevTools or the CLI
- Wiring automated quality gates into your build pipeline
Hosted by Chrome DevTools. Rankly describes this resource but does not reproduce its content.
Related resources
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