GSI Media is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Vertical Acuity has better usage coverage in more websites categories. Including Arts & Entertainment, Business & Industry, Sports, Games and 8 other categories.
GSI Media is leading in Shopping, Clothing, Children, Internet & Telecom and 5 other categories.
GSI Media is leading in most countries, including United States, Canada, Germany, Switzerland and one other country.
Vertical Acuity is leading in India and Norway.