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, Arts & Entertainment and 114 other categories.
Simple AdServer is leading in Motorsports.
EngineSeeker is leading in most countries, including United States, Russia, Canada, Turkey and 16 other countries.
Simple AdServer is leading in Hungary and Slovakia.