Facebook Social Graph
271,051 websites

Facebook Social Graph is free to use

https://www.facebook.com/about/graphsearch

Now you can find more of what you're looking for on Facebook and discover fun connections between people, places and things.

VS

Gravatar
490,401 websites

Gravatar is free to use

https://en.gravatar.com/

Globally Recognized Avatar

Market Share by Top Websites

1 Gravatar is leading in The Entire Web.

2 Facebook Social Graph is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Gravatar has better usage coverage in more websites categories. Including Science & Education, Community & Society, Arts & Entertainment, Computers Electronics & Technology and 17 other categories.

2 Facebook Social Graph is leading in Food & Drink, E-commerce & Shopping and Home & Garden.

Geography

1 Facebook Social Graph is leading in most countries, including United States, United Kingdom, Canada, Taiwan and 142 other countries.

2 Gravatar is leading in Japan, Romania, Serbia, Saudi Arabia and 8 other countries.