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 190 other categories.

2 Twitter Login is leading in Makes & Models, Fishing, Casinos, Bingo and 4 other categories.

Geography

1 Google+ Sign-In Button is leading in most countries, including United States, India, Viet Nam, United Kingdom and 141 other countries.

2 Twitter Login is leading in Zambia, Tajikistan, Somalia, Saint Lucia and one other country.