The 404 Error page is a page that is shown when a user goes to a page that is not valid to the current site.
There are a couple reason why a user would run into this page.

1. The site document could be missing from your server.
2. The site’s server could be down.
3. Javascript redirection or any type of redirection is incorrect

404 Error Custimization

The default look of an Error 404 page is very simple and plain. The page is not very attractive and it is not a bad idea to customize it. The default view can push users away from the site and lower your traffic. Yes it is page that is not a regular page but it still affects your website. You can use html, php and javascript to create the error page.

Default Page:

Here are some things you can include onto the page while customizing:

1) Your Logo
2) Page cannot be found & a reason why the cause of the error.
3) A list of ways to refer back to your website. For example your would say “Hit the back button to go back”.
4) Provide your website link.
5) Have a search box to only search your website’s information. This will help get the user to the place they want to be.

Customized error 404 page:

http://cutandtaste.com/404