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.

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WPML Multilingual
260,226 websites

WPML Multilingual offers both free and paid options

https://wpml.org/

Multilingual platform support for WordPress.

Market Share by Top Websites

1 Facebook Social Graph is leading in Top 10K Sites, Top 100K Sites and The Entire Web.

2 WPML Multilingual is leading in Top 1M Sites.

Websites Categories

1 Facebook Social Graph has better usage coverage in more websites categories. Including Arts & Entertainment, Science & Education, Computers Electronics & Technology, Community & Society and 11 other categories.

2 WPML Multilingual is leading in Travel & Tourism, Heavy Industry & Engineering, Business & Consumer Services, Health and 5 other categories.

Geography

1 WPML Multilingual is leading in most countries, including Italy, Germany, Spain, France and 119 other countries.

2 Facebook Social Graph is leading in United States, United Kingdom, Taiwan, Australia and 35 other countries.