Market Share by Top Websites

1 Google+ Sign-In Button is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Twitter Login is clearly lagging behind, losing to Google+ Sign-In Button in all segments.

Websites Categories

1 Google+ Sign-In Button has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Shopping, Arts & Entertainment and 203 other categories.

2 Twitter Login is leading in Fishing, Ethnic & Regional and Bingo.

Geography

1 Google+ Sign-In Button is leading in most countries, including United States, India, Viet Nam, United Kingdom and 160 other countries.

2 Twitter Login is leading in Tanzania, Congo Republic, Togo and Sierra Leone.