This is a default page created by SwissCenter.
Delete the "swisscenter.php" found at the root of the site and use a page name like "index.htm", "index.html" or "index.php". For memory, your site must be published in the folder, however the name of your domain.
SwissCenter is a Swiss company that provides high availability servers which is universally considered by web professionals for the high reliability of its services, the quality of its support and its know-how. SwissCenter can provide you with all the Internet services you need.
https://www.swisscenter.com