In terms of market share, EngineSeeker is clearly lagging behind, losing to Simple AdServer in all segments.
EngineSeeker has better usage coverage in more websites categories. Including Business & Industry, Shopping, People & Society, Construction & Maintenance and 97 other categories.
Simple AdServer is leading in Motorsports.
EngineSeeker is leading in most countries, including United States, Brazil, Canada, United Kingdom and 15 other countries.
Simple AdServer hasn't got a lead over EngineSeeker in any country.