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 31 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, Sweden, Lithuania, Japan and 2 other countries.
Simple AdServer is leading in Hungary.