Check if a website is up, and see the status code and response time. Free, instant, no sign-up.
Uptime is the share of time a website is reachable and responding. Checking status codes and response time helps you spot outages and slowdowns before they cost traffic.
The site responded correctly (for example 200 OK).
The site is sending visitors to another URL (301, 302, and similar).
The request failed, often because the page was not found (404).
The server had a problem fulfilling the request (500, 503, and similar).
How long the server took to answer from our check node.
A one-shot HTTP check you can run any time, with no account required.
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Uptime is the share of time a site is reachable and responding. Checking status codes and response time helps spot outages and slowdowns.
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