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, Shopping, People & Society and 28 other categories.
Simple AdServer is leading in Computer & Electronics, Consumer Electronics, Software, Web Hosting and 3 other categories.
Open AdExchange is leading in most countries, including Denmark, Norway, Sweden, Canada and 8 other countries.
Simple AdServer is leading in Hungary, Russia and United Kingdom.