What does http status code 404 mean?

HTTP status code 404 means "not found". The 404 status code can tell the client that the resource requested does not exist, prevent the client from continuing to make invalid requests, and prompt the user to check the input or change the request. Normally , the 404 status code will also come with some error information so that the client can perform further processing or display it to the user.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

HTTP status code 404 means "Not Found".

When the client requests a non-existent resource from the server, the server will return a 404 status code, indicating that the requested resource was not found by the server. This is usually caused by reasons such as the URL path is wrong, the file does not exist or has been deleted.

404 status code can tell the client that the requested resource does not exist, prevent the client from continuing to make invalid requests, and prompt the user to check input or change the request. Usually, the 404 status code is accompanied by some error information so that the client can perform further processing or display it to the user.

It should be noted that the 404 status code is not an error in all cases. Some websites or servers deliberately use 404 status codes to hide specific pages or resources, such as certain administrator pages, debugging pages, or old versions of pages. But in most cases, the 404 status code means that the requested resource does not exist.

In summary, HTTP status code 404 indicates that the requested resource was not found by the server.

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