Kitara Media is leading in Top 100K Sites.
Kitara Media has better usage coverage in more websites categories. Including Food & Drink, Restaurants & Delivery, People & Society, Arts & Entertainment and 45 other categories.
Simple AdServer is leading in Sports, Autos & Vehicles and Motorsports.
Kitara Media is leading in most countries, including United States, Canada, Philippines, Brazil and 29 other countries.
Simple AdServer hasn't got a lead over Kitara Media in any country.