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 85 other categories.
Harren Media is leading in Humor.
Ad Spirit is leading in most countries, including Germany, Austria, Switzerland, United States and 21 other countries.
Harren Media is leading in Brazil, Peru, Indonesia, Canada and 18 other countries.