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, Free PageRank is clearly lagging behind, losing to Google +1 Button in all segments.
1
Google +1 Button has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Science & Education, Travel & Tourism and 20 other categories.
2
Free PageRank hasn't got a lead over Google +1 Button in any websites category.
1
Google +1 Button is leading in most countries, including United States, Japan, France, Italy and 162 other countries.
2
Free PageRank hasn't got a lead over Google +1 Button in any country.