Technical Definitions: What is 404? 404 Definition.

Free Definitions: Internet: General

404 Definition

Someone who's clueless.  From the {World-Wide Web} message "404, URL Not Found" meaning that the document you've tried to access can't be located. "Don't bother asking him...he's 404, man". 404 is one of the standard response codes of the {telnet} {protocol} on which the web's {HTTP} is based. The first 4 indicates a client error such as a mistyped URL. The middle 0 refers to a general syntax error.  The last 4 just indicates the specific error in the group of 40x, which also includes 400: Bad Request, 401: Unauthorized, etc. (2000-03-18)

Definition Provided By Denis Howe