If a particular page on an Internet site does not load for some reason or if a link is broken, the visitor will see an error page with a generic message. The page will have nothing in common with the rest of the website, that can make the visitor leave your Internet site. A solution in this case is a feature offered by some website hosting service providers - the option to set up your own customized error pages which shall have the exact same style and design as your site and that may contain any images or text which you want depending on the particular error. There are four standard errors which may take place and they involve these particular so-called HTTP status codes - 400, when your browser sends a bad request to the server and it can't be processed; 401, if you are supposed to log in to see some webpage, but you have not done this yet; 403, if you don't have a permission to see a particular page; and 404, if a link which you have clicked leads to a file that does not exist. In any of these cases, visitors will be able to see your personalized content rather than a generic error page.