Ad Spirit is leading in Top 100K Sites and Top 1M Sites.
Ad Spirit has better usage coverage in more websites categories. Including Sports, Business & Industry, Arts & Entertainment, Soccer and 73 other categories.
EngineSeeker is leading in Beauty & Fitness, Home & Garden, Adult, Finance and 20 other categories.
Ad Spirit is leading in most countries, including Germany, Austria, Switzerland, Poland and 20 other countries.
EngineSeeker is leading in United States, Canada, India, Sri Lanka and 14 other countries.