Free Website Tools

Check response time, redirects, HTTP headers and the SSL certificate of any website. Free, instant and without registration.

Response Time Checker Measure TTFB and the full response time broken down into DNS, connection, TLS, server wait and download. Redirect Checker Trace the full redirect chain with status codes, find loops and unnecessary hops. HTTP Headers Checker View all response headers and check compression, HTTP/2, caching and security headers. SSL Checker Check the certificate expiration date, covered domains, issuer, chain and TLS version.

How does your website handle real traffic?

One request shows the best case. Run a free load test with up to 1,000 concurrent connections, compare the results after every change and get an email when your site goes down.