Market Share by Top Websites

1 Google +1 Button is leading in The Entire Web.

2 Twitter Button is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Twitter Button has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Food & Drink, Science & Education and 18 other categories.

2 Google +1 Button is leading in Travel & Tourism and E-commerce & Shopping.

Geography

1 Google +1 Button is leading in most countries, including United States, Indonesia, Taiwan, Brazil and 141 other countries.

2 Twitter Button is leading in Japan, United Kingdom, Czech Republic, Slovakia and 15 other countries.