Free website health check
Know the state of your website.
Real-browser analysis of availability, page speed, page experience, infrastructure and the resources slowing your site down.
Free check · No signup required
Performance tools
Go deeper on speed and browser performance
Test Core Web Vitals, TTFB, LCP, CLS, blocking time, JavaScript impact, render blockers and page weight.
Website health tools
Inspect uptime, SSL, DNS and HTTP behavior
Use focused checkers for availability, certificates, redirects, DNS records, response headers and status codes.