What is 404 page

1. What does a 404 page do?
2. Why is it called 404 page?
3. What should a 404 page say?

What does a 404 page do?

404 is a status code that tells a web user that a requested page is not available. 404 and other response status codes are part of the web's Hypertext Transfer Protocol response codes. The 404 code means that a server could not find a client-requested webpage.

Why is it called 404 page?

The first 4 of the HTTP “404” actually indicates a client error like a misspelled URL or a moved page. The “0” points to a general syntax error like a spelling mistake, and the last “4” indicates the specific error in the family of “40-” errors which includes “400: Bad Request” and “403: Forbidden.”

What should a 404 page say?

A 404 error is a response code from the server that is categorized under HTTP status codes. You would know it is a 404 error page when you see the following error messages: 404 Not Found. The requested URL was not found on this server.