AdTotal is leading in Top 100K Sites.
AdTotal has better usage coverage in more websites categories. Including Arts & Entertainment, Internet & Telecom, Autos & Vehicles, Online Marketing and 13 other categories.
Open AdExchange is leading in Business & Industry, Shopping, Newspapers, Law & Government and 7 other categories.
AdTotal is leading in most countries, including Poland, United Kingdom, Russia, Tuvalu and 6 other countries.
Open AdExchange is leading in Denmark, Germany, Norway, Sweden and one other country.