In terms of market share, Open AdExchange is clearly lagging behind, losing to Simple AdServer in all segments.
Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, Shopping, Sports, Newspapers and 15 other categories.
Simple AdServer is leading in Web Hosting, Motorsports, Autos & Vehicles and Adult.
Open AdExchange is leading in most countries, including Denmark, United States, Sweden, Slovakia and 4 other countries.
Simple AdServer is leading in Hungary.