JOOMLA
Lets you edit the same fields set during Add website: Alias, Name, Secret Key, .htaccess protection key, Color, Tags, Product.

WORDPRESS

Username and password of your .htpasswd file (if any). This will allow the extension to pass credentials to manage the site. Mark also which part of your site (frontend and/or backend) is protected. This info is mandatory if your site’s frontend uses this protection. If you don’t have this protection then leave them blank.
Your own notes for the site.