The HTTP 404, 404 Not Found, 404, 404 Error... - dofaq.co
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The HTTP 404, 404 Not Found, 404, 404 Error...

wikipedia - 23 Oct 2020
The HTTP 404, 404 Not Found, 404, 404 Error, Page Not Found, File Not Found, or Server Not Found error message is a Hypertext Transfer Protocol (HTTP) standard response code, in computer network communications, to indicate that the browser was able to communicate with a given server, but the server could not find what was requested. The error may also be used when a server does not wish to disclose whether it has the requested information.[1]

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