AdAction is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdAction has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, People & Society and 100 other categories.
Cobalt Group is leading in Autos & Vehicles, Car Buying, Automotive Industry, Makes & Models and 19 other categories.
AdAction is leading in most countries, including Norway, Sweden, Netherlands, Denmark and 41 other countries.
Cobalt Group is leading in United States, Canada, Australia, Mexico and 16 other countries.