If your website opens alone:
Forbidden
You do not have permission to access / on this server.
Additionally, at 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.
It means that in the folder public_html or the folder of the domain or subdomain there is still no information to show, for that upload an index.html file or index.php or use the system of Sitepad templates or the Softaculous tool to install Wordpress , Joomla or Prestashop among others.
If you continue to see this page, refresh your browser's cache by updating the page with Ctrl + F5