What is 404 Error?

The HTTP 404 Not Found Error means that the webpage you were trying to reach could not be found on the server. It is a Client-side Error which means that either the page has been removed or moved and the URL was not changed accordingly, or that you typed in the URL incorrectly.

"Error 404" (or "Page Not Found") – is a standard code of HTTP status that occurs when the server can't find a document required by a user. Basically, this is a page that doesn't exist.

Error 404" (or "Page Not Found") – is a standard code of HTTP status that occurs when the server can't find a document required by a user. Basically, this is a page that doesn't exist.
But, in fact it's not only one reason. In general we can single out even 4 reasons for this error:

The page was deleted from a website;
The user has typed the URL incorrectly;
The page was moved and the redirection was configured incorrectly;
The server malfunctions (it happens very rarely).

A 404 error is an HTTP status code that means that the page you were trying to reach on a website couldn't be found on their server. The 404 Not Found error might appear for several reasons even though no real issue exists, so sometimes a simple refresh will often load the page you were looking for. The most common method is to retry the web page by pressing F5, clicking the refresh/reload button, or trying the URL from the address bar again.

The Error 404  Page not found is the error page displayed whenever someone asks for a page that's simply not available on your site.

404 error is a page not found error that means that particular page is removed.

404 error is a HTTP server code. This error happened requested page is removed from the website.

404 Error means that the webpage you were trying to reach could not be found on the server.

How to resolve this 404 error?

The 404 error is what a webpage returns after a user tries to open a webpage that does not exist. The visitor may have mistyped the webpage URL or the webpage might have been moved completely.