Google's own data on how your site performs in search.
Best for: Every website owner. Start here.
- Search performance report
- Page indexing report
- URL inspection
- Core Web Vitals
Best page speed and Core Web Vitals tools in 2026
Page experience is part of how Google evaluates pages, and slow pages lose visitors. These tools measure Core Web Vitals (LCP, INP, CLS), show what slows a page down and track performance over time.
4 tools compared. Top picks first, then alphabetical. No paid placements.
GTmetrix
FreemiumDetailed page speed reports with waterfalls and monitoring.
Best for: Developers diagnosing exactly what slows a page down.
- Waterfall charts
- Web Vitals
- Test locations
- Monitoring & alerts
Lighthouse
FreeOpen-source audit for performance, accessibility and SEO basics.
Best for: Developers who want audits in their own workflow.
- Performance audit
- Accessibility audit
- SEO checks
- CLI & CI usage
Google's free test for Core Web Vitals and page speed.
Best for: A quick, authoritative speed check of any page.
- Field data (CrUX)
- Lighthouse lab test
- Mobile and desktop
- Fix suggestions