The HTTP 404, 404 Not Found, 404 Error, Page Not Found, or File Not Found error message in computer network communications indicates that the browser was able to communicate with a given server, but the server was unable to find what was requested. When a server refuses to tell whether or not it has the requested data, the error can be utilized.
This is a simple 404 page not found page made using HTML and CSS. Since a 404 page does not necessarily need any backend programming you can directly use this page in your website. You can download this 404 page for free and use and modify it as per your need.
Some of the features of this 404 page are:
You can see its demo in the frame above.