1
Facebook Like Button is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
2
In terms of market share, Gravatar is clearly lagging behind, losing to Facebook Like Button in all segments.
1
Facebook Like Button has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Food & Drink, Games and 18 other categories.
2
Gravatar is leading in Science & Education and Community & Society.
1
Facebook Like Button is leading in most countries, including Japan, United States, France, Poland and 162 other countries.
2
Gravatar hasn't got a lead over Facebook Like Button in any country.