Free Tools

Test your website with our free analysis tools

Full website check: performance, SEO, security, mobile, accessibility and more.

Check SSL certificate validity, issuer, expiry date, and security configuration.

Resolve DNS records: A, AAAA, MX, NS, TXT, CNAME for any domain.

Check if a server is reachable and measure response time.

View all HTTP response headers including security headers like HSTS, CSP, X-Frame-Options.