Open Web Analytics is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Topsy has better usage coverage in more websites categories. Including People & Society, Business & Industry, Arts & Entertainment, Internet & Telecom and 127 other categories.
Open Web Analytics is leading in TV & Video, Weather, Home Improvement, Classifieds and 6 other categories.
Topsy is leading in most countries, including Russia, Japan, United States, Brazil and 57 other countries.
Open Web Analytics is leading in Austria, Germany, France, Canada and 41 other countries.