When a link is added to Facebook their servers parse the page to create a snippet to display. To allow developers to take more control over the snippet, Facebook uses their Open Graph Protocol ^1^^.
determine what should be used, Facebook uses their
Things to look at:
Determine your Facebook User ID here: https://developers.facebook.com/tools/explorer The page will reload with your ID.
Note that when you make the post, it shows the full URL, but when it shows up in the feed it's clipped. Need to see if this is because of the site_name tag or not.
1. Open Graph - The developer docs overview of Facebook's system for tying in third-party websites and apps.