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, Arts & Entertainment, People & Society, Shopping and 29 other categories.
Simple AdServer is leading in Computer & Electronics, Web Hosting, Software, Consumer Electronics and 3 other categories.
Open AdExchange is leading in most countries, including Denmark, United States and Sweden.
Simple AdServer is leading in Hungary.