MyPagerank
1,523 websites

MyPagerank is free to use

http://www.mypagerank.net/

Google PageRank Checker Google PageRank Prediction tool and determine my future pagerank.

VS

Topsy
278 websites

Topsy offers both free and paid options

http://www.topsy.com

Topsy provides social media analytics software that provides Instant Social Insight to companies and organizations of all sizes. The Topsy Pro platform has indexed 2.5B (and growing) pieces of data and information. This makes Topsy one ...

Market Share by Top Websites

1 MyPagerank is leading in Top 1M Sites and The Entire Web.

2 Topsy is leading in Top 10K Sites.

Websites Categories

1 MyPagerank has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Community & Society, Arts & Entertainment and 17 other categories.

2 Topsy is leading in Food & Drink and Home & Garden.

Geography

1 MyPagerank is leading in most countries, including Indonesia, France, India, Italy and 34 other countries.

2 Topsy is leading in Japan, United States, Russia, Brazil and 13 other countries.