AdTotal is leading in Top 10K Sites and Top 100K Sites.
AdTotal has better usage coverage in more websites categories. Including Autos & Vehicles, Arts & Entertainment, People & Society, Computer & Electronics and 13 other categories.
Open AdExchange is leading in Business & Industry, Shopping, Newspapers, News & Media and 10 other categories.
Open AdExchange is leading in most countries, including Denmark, Sweden, Slovakia, Australia and 3 other countries.
AdTotal is leading in Poland, Tuvalu, India, United Kingdom and 2 other countries.