Facebook Page Administration
500,743 websites

Facebook Page Administration is free to use

http://developers.facebook.com/docs/opengraph

Identifies administrators for a page which will be able publish data to your wall if you like any content within this page.

VS

Person Schema Entity
989,505 websites

Person Schema Entity is free to use

http://schema.org/Person

A scheme.org entity that represents a person (alive, dead, undead, or fictional).

Market Share by Top Websites

1 Person Schema Entity is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 Facebook Page Administration is leading in Top 10K Sites.

Websites Categories

1 Person Schema Entity has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Arts & Entertainment, News & Media and 20 other categories.

2 Facebook Page Administration hasn't got a lead over Person Schema Entity in any websites category.

Geography

1 Person Schema Entity is leading in most countries, including United States, Japan, Germany, India and 160 other countries.

2 Facebook Page Administration is leading in Yemen and Turkmenistan.