Market Share by Top Websites

1 Google+ Sign-In Button is leading in Top 10K Sites and The Entire Web.

2 Facebook Login is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 Facebook Login has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Lifestyle, Sports and 9 other categories.

2 Google+ Sign-In Button is leading in Computers Electronics & Technology, Science & Education, Jobs & Career, Business & Consumer Services and 7 other categories.

Geography

1 Google+ Sign-In Button is leading in most countries, including United States, Japan, India, United Kingdom and 88 other countries.

2 Facebook Login is leading in South Korea, France, Brazil, Italy and 55 other countries.