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, Sports, Arts & Entertainment, Soccer and 25 other categories.
GSI Media is leading in Shopping, Software, Sports, Children and 2 other categories.
GSI Media is leading in most countries, including United States, China, Canada, Germany and 6 other countries.
AdTotal is leading in Poland, Austria, Norway, Somalia and one other country.