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.

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Google Web Fonts
12,035,783 websites

Google Web Fonts is free to use

https://fonts.google.com/

Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.

Market Share by Top Websites

1 Google Web Fonts is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Facebook Page Administration is clearly lagging behind, losing to Google Web Fonts in all segments.

Websites Categories

1 Google Web Fonts has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Arts & Entertainment, Health and 20 other categories.

2 Facebook Page Administration hasn't got a lead over Google Web Fonts in any websites category.

Geography

1 Google Web Fonts is leading in most countries, including United States, Japan, United Kingdom, Russia and 162 other countries.

2 Facebook Page Administration hasn't got a lead over Google Web Fonts in any country.