In terms of market share, EngineSeeker is clearly lagging behind, losing to Open AdExchange in all segments.
EngineSeeker has better usage coverage in more websites categories. Including Business & Industry, People & Society, Shopping, Arts & Entertainment and 108 other categories.
Open AdExchange is leading in Newspapers, Office Products, Auctions, File Sharing and one other category.
EngineSeeker is leading in most countries, including United States, India, Canada, United Kingdom and 26 other countries.
Open AdExchange is leading in Denmark, Guatemala and Serbia.