If a certain page on a site doesn't load for some reason or in case a link is broken, the visitor will see an error page with some generic message. The page will have nothing in common with the rest of the Internet site, that may make the visitor leave the site. A likely solution in this case is a feature offered by some hosting service providers - the option to set up your own custom error pages which shall have the exact same design and style as your site and that could contain any text or images that you would like dependent upon the specific error. There are 4 common errors that can occur and they involve these so-called HTTP status codes - 400, when your world-wide web browser sends a bad request to the web server and it can't be processed; 401, if you are supposed to log in to see a webpage, but you have not done this yet; 403, if you do not have a permission to see a particular page; and 404, in case a link which you have clicked leads to a file which doesn't exist. In any of these scenarios, site visitors shall be able to see your custom made content rather than a generic error page.