AdTotal is leading in Top 1M Sites.
Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, People & Society and 21 other categories.
AdTotal is leading in Sports, Soccer, Career & Education, Humor and 17 other categories.
Open AdExchange is leading in most countries, including Denmark, United States, Sweden, Italy and one other country.
AdTotal is leading in Poland and Belarus.