HTTP 404 – Not Found
The server cannot find the requested resource. The URL may be wrong or the resource no longer exists.
Common use case
The universal "nothing here" response for broken links, deleted pages, mistyped URLs, or resources that were never created.
Example
HTTP/1.1 404 Not Found
<html><body>Page not found</body></html>History
Part of the original HTTP/1.0 specification, RFC 1945 (1996).
Did you know?
It is comfortably the most famous status code among non-developers, thanks to decades of custom "404 page not found" error pages.