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 Despite its recent growth, Instagram Feed for WordPress is still behind Google +1 Button in all market share 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 20 other categories.

2 Instagram Feed for WordPress hasn't got a lead over Google +1 Button in any websites category.

Geography

1 Google +1 Button is leading in most countries, including United States, Japan, Indonesia, Taiwan and 161 other countries.

2 Instagram Feed for WordPress is leading in Iceland.