GSI Media is leading in Top 10K Sites and Top 100K Sites.
Vertical Acuity has better usage coverage in more websites categories. Including Arts & Entertainment, Business & Industry, TV & Video, Movies and 7 other categories.
GSI Media is leading in Shopping, Clothing, Internet & Telecom, Children and 5 other categories.
GSI Media is leading in most countries, including United States, Germany, France, Brazil and one other country.
Vertical Acuity is leading in Romania, China and India.