Market Share by Top Websites

1 OpenID is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 Google+ Sign-In Button is leading in Top 10K Sites.

Websites Categories

1 OpenID has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Internet & Telecom and 242 other categories.

2 Google+ Sign-In Button hasn't got a lead over OpenID in any websites category.

Geography

1 OpenID is leading in most countries, including Indonesia, United States, Brazil, Spain and 218 other countries.

2 Google+ Sign-In Button hasn't got a lead over OpenID in any country.