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, TV & Video and 8 other categories.
GSI Media is leading in Shopping, Clothing, Internet & Telecom, Computer & Electronics and 6 other categories.
GSI Media is leading in most countries, including United States, China, Germany and Israel.
Vertical Acuity is leading in Venezuela, United Kingdom and Greece.