Market Share by Top Websites

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

2 In terms of market share, Pinterest is clearly lagging behind, losing to Google +1 Button in all segments.

Websites Categories

1 Google +1 Button has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Science & Education, Food & Drink and 19 other categories.

2 Pinterest is leading in Home & Garden.

Geography

1 Google +1 Button is leading in most countries, including United States, Japan, Indonesia, Taiwan and 162 other countries.

2 Pinterest hasn't got a lead over Google +1 Button in any country.