404
404 definition by Slang.net
This page explains what the slang term "404" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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Standard Web server error generated when an invalid URL is entered; occurs when a page is removed from a website but is still linked to from another page, resulting in a 404 error when clicked; also results when mistyping a Web address.