Is that website up or down?

Enter any address — your own site, a client’s, or one you are about to visit — and find out in seconds whether it is up, slow, reachable but returning an error, or offline. We try three times before we say a site is down, so you get an answer you can trust.

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Common questions

How do I check if a website is down?
Type the address into the box on the home page and press Check. We request the site from our own server and tell you whether it is up, slow, reachable but returning an error, or offline. A healthy site is usually confirmed in well under a second.
Why do you try three times before calling a site down?
A single failed request does not prove that a site is offline. Your IP might be blocked, there could be a temporary network problem, or the site might only be reachable from certain regions. We therefore make three attempts with a short pause between them, and only report DOWN when every attempt fails. Any attempt that returns an HTTP status below 500 rules out a DOWN verdict.
What does "Reachable, but error" mean?
The server is online and answering, but the page itself is not OK. We report this for HTTP 4xx responses such as 403 Forbidden or 404 Not Found, and for redirect loops. The site is not down — something in the server or its configuration is wrong.
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