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 50 other categories.
Simple AdServer is leading in Sports, Consumer Electronics and Motorsports.
Kitara Media is leading in most countries, including United States, Canada, Russia, Taiwan and 29 other countries.
Simple AdServer hasn't got a lead over Kitara Media in any country.