Enter any URL for an instant live reachability check — a real HTTP probe from our servers, with accurate latency and HTTP status in seconds.
When you enter a URL, our server sends a real HTTP request directly to that site — the same kind of request a browser makes — and measures how long it takes to respond and what status code it returns. Because the check runs from our servers rather than your browser, it isn't affected by your own internet connection, VPN, or local network restrictions.
A site showing "down" here means our server couldn't get a successful response within 10 seconds. That's usually a strong signal something is actually wrong, though a single check can occasionally catch a temporary blip. If you're not sure, run the check again after a minute.
Seven concrete reasons a site goes down, and exactly what to check for each one. Start with a live check, then work through the guide that matches what you're seeing.