Identifies administrators for a page which will be able publish data to your wall if you like any content within this page.
See what your Facebook friends have liked, shared, or commented on across the Web. This includes all variations of Like, Share and Follow Buttons, Embedded Posts, Comments, Activity Feed, Recommendations Feed, Recommendations Bar, Like Box and Facepile.
Open graph description entity tag
This page contains a meta robots tag which tells search engines and robots to index or not index the page.