AdTotal is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdTotal has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Sports, Soccer and 28 other categories.
GSI Media is leading in Shopping, Software, Sports, Children and 3 other categories.
GSI Media is leading in most countries, including United States, Germany, China, Canada and 4 other countries.
AdTotal is leading in Poland, Egypt, Zimbabwe, Italy and one other country.