Every time a browser or search engine requests a web page, the server answers with an HTTP status code. That three-digit code is a quick health signal for the page.
The main groups are easy to remember: 2xx codes mean success, so the page loaded as expected. 3xx codes mean a redirect, so the visitor is sent somewhere else. 4xx codes mean a client-side problem, such as a missing page. 5xx codes mean a server-side problem, so the server could not complete the request.
Checking a status code matters because a page can look fine in one browser while returning an error, a redirect chain, or the wrong response to search engines. A quick check helps you spot broken links, faulty redirects, and server errors before visitors or customers do.
Try the free http status code checker to check any URL's status in seconds.
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