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 14 other categories.
Topsy is leading in most countries, including Russia, Japan, Brazil, Spain and 62 other countries.
Segment is leading in United States, United Kingdom, Greece, Australia and 33 other countries.