This article will show you How to Create Custom Error Pages in Cpanel
Step 1. Log into Cpanel
Step 2. Click the Error pages Icon
Step 3. There are several different error pages you can customize. Lets customize the 404 error page
Step 4. This is where you create your custom error page… and you can include one or more tags to further customize the page
Step 5. Enter your information then click on Save
