Facebook is one of the most popular social networking sites in the world. With its continuously growing number of registered users, it is likely that visitors who come to your site will already have a Facebook account. In this case, it could be convenient for them to use their Facebook logon details than to go through another registration on your site. That's why you should consider using Facebook Connect authentication.
For Facebook Connect to work on your site, you need to register the site. Follow these steps:
1. Register your website at http://www.facebook.com/developers/createapp.php - for more information, see the Registering your application topic.
2. Set up Kentico CMS for Facebook Connect authentication - see the Settings topic.
3. Use one of the Facebook Connect web parts on any page of your site - see the Available web parts topic.
The following diagram shows how the process of Facebook Connect login works: