Open AdExchange is leading in Top 100K Sites.
Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, People & Society and 25 other categories.
Simple AdServer is leading in Adult, Autos & Vehicles, Motorsports and Software.
Open AdExchange is leading in most countries, including Denmark, Netherlands, Guatemala, Italy and 3 other countries.
Simple AdServer is leading in Hungary.