Uptime Check
Website Status Checker
Test any website from our server — independent of your connection. Is it down for everyone, or just you?
Related Tools
Test your website's server response time, DNS lookup, TCP connect, TLS handshake, and time to first byte (TTFB) from our server.
Check any website's SSL certificate: expiry date, issuer, domain coverage, chain validity. Instant, free.
Inspect the HTTP response headers returned by any URL. Check cache-control, CORS, redirects, security headers, and more.
Website Status Checker — Understanding the Results
This tool makes a real HTTP request from our server to the URL you enter — completely independent of your internet connection. If we can reach it and you cannot, the problem is local to your network, ISP, or DNS.
HTTP Status Codes
200 OK — The site is up and serving content normally. 301/302 — The site redirects to another URL (followed automatically). 403 Forbidden — Reachable but access denied (geo-block or authentication). 503 — Server reachable but temporarily overloaded or in maintenance mode.
Connection Timeout vs HTTP Error
A connection timeout means our server could not establish a TCP connection at all — the server is likely completely offline, the domain doesn't resolve, or a firewall is blocking access. An HTTP error (4xx/5xx) means the server responded but returned an error status.
If the Site Is Up but You Can't Access It
Try flushing your local DNS cache (ipconfig /flushdns on Windows, sudo dscacheutil -flushcache on macOS). Try a different DNS resolver. Check if your ISP or network is blocking the domain. Disable VPN if active.