404 page

A 404 page is what a user sees when they try to reach a non-existent page on your site (because they’ve clicked on a broken link, the page has been deleted, or they’ve mistyped a URL).

 

To set up 404.html page on your server add this to the .htaccess file:

 

 

Thats it !

 

For more detailed instructions please look following article:

http://www.htmlgoodies.com/beyond/reference/article.php/3472591/How-Do-I-Create-a-Custom-404-Error-Page.htm