Keep your Website running smoothly
A collection of free tools to help you test, diagnose and improve your website. More tools are being added regularly.
Check whether your website is reachable from outside your network. Enter your URL below and we'll test it from an external server.
Follow the redirect chain for any URL and see every hop, status code, and final destination.
View the HTTP response headers returned by any URL — useful for checking cache headers, security headers and server type.
Check whether your SSL certificate is valid and when it expires. Enter just the domain name without https://