Segment 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, Arts & Entertainment, Business & Industry, Internet & Telecom and 173 other categories.
Segment is leading in Social Network, Mobile Developers, Sports, Food & Grocery Retailers and 13 other categories.
Topsy is leading in most countries, including Russia, Japan, Brazil, Spain and 63 other countries.
Segment is leading in United States, United Kingdom, Greece, Australia and 38 other countries.