Performance
Measure how fast your pages really are: Core Web Vitals, PageSpeed and loading best practices.
Tools in Performance
- 099Lazy Loading CheckerCheck that lazy loading is used in the right places: below the fold, never on the main image, with the right attributes.Free · runs in your browser
- 117PageSpeed and Lighthouse AuditEnter a URL and choose mobile or desktop: the tool queries Google's PageSpeed Insights API and clearly separates the lab test from real-user data.Free account · 3 live checks/day
- 119Core Web Vitals LookupEnter a URL: the tool shows only real Chrome user data (28 days), with no lab test, and explains clearly when none exists.Free account · 3 live checks/day