When someone trying to open a not found page on a website cannot be found into its web server, It go to 404 error page. This page is response code from web server that is categorized.
You would identify it is a 404 error page when see the next error messages:
- 404 Not Found
- The requested URL was not found on this server.
- HTTP 404 Not Found
- 404 Error
- The page cannot be found
=> Make a custom 404 error page into your website.
=> Make an .htaccess file and upload it into your root
=> Place this line inside the .htaccess file
ErrorDocument 404 http://www.mydoain.com/404.php