1
Gravatar is leading in The Entire Web.
2
Facebook Comments is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
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Gravatar has better usage coverage in more websites categories. Including Science & Education, Community & Society, Arts & Entertainment, Computers Electronics & Technology and 13 other categories.
2
Facebook Comments is leading in News & Media, Business & Consumer Services, E-commerce & Shopping, Vehicles and 3 other categories.
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Facebook Comments is leading in most countries, including United States, Russia, Vietnam, Brazil and 158 other countries.
2
Gravatar is leading in Japan, Cayman Islands and Haiti.