DotAndMedia is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
DotAndMedia has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, News & Media, Sports and 25 other categories.
Open AdExchange is leading in Business & Industry, Shopping, Internet & Telecom, Marketing & Advertising and 16 other categories.
Open AdExchange is leading in most countries, including Denmark, Netherlands, Sweden, Norway and one other country.
DotAndMedia is leading in Italy, United States and Spain.