🛠️ Tool
✓ Link checked
Free
Beginner
Why we picked it This is literally what Google uses to score your Core Web Vitals for ranking - if you only run one speed test before launch, run this one, because it's the tool that decides your search visibility, not just a vanity score.
PageSpeed Insights
From pagespeed.web.dev by Google
- Reports both lab data (Lighthouse) and real-world field data from Chrome users where available.
- Scores LCP, INP and CLS separately for mobile and desktop.
- Comes with prioritized, specific fixes and estimated time savings for each.
