The HTTP 404, 404 Not Found and 404 (pronounced "... - dofaq.co
http 404

The HTTP 404, 404 Not Found and 404 (pronounced "...

wikipedia - 21 Oct 2019
The HTTP 404, 404 Not Found and 404 (pronounced "four oh four") error message is a Hypertext Transfer Protocol (HTTP) standard response code, in computer network communications, to indicate that the client was able to communicate with a given server, but the server could not find what was requested.

What's New