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, Shopping, People & Society, Arts & Entertainment and 112 other categories.
Open AdExchange is leading in Newspapers, Astronomy, File Sharing, Jobs & Employment and 2 other categories.
EngineSeeker is leading in most countries, including United States, India, United Kingdom, Canada and 20 other countries.
Open AdExchange is leading in Denmark, Sweden, Norway, Ireland and one other country.