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, Business & Industry, Arts & Entertainment, Health and 166 other categories.
Segment is leading in Social Network, Mobile Developers, Web Design, Products & Shopping and 18 other categories.
Topsy is leading in most countries, including Russia, Japan, Brazil, Germany and 75 other countries.
Segment is leading in United States, United Kingdom, Greece, Norway and 22 other countries.