AdReactor is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdReactor has better usage coverage in more websites categories. Including Arts & Entertainment, Music & Audio, Internet & Telecom, Movies and 44 other categories.
Cobalt Group is leading in Autos & Vehicles, Car Buying, Automotive Industry, Business & Industry and 23 other categories.
AdReactor is leading in most countries, including Indonesia, India, Montenegro, Brazil and 81 other countries.
Cobalt Group is leading in United States, Canada, Australia, Venezuela and 11 other countries.