SpotX is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
SpotX has better usage coverage in more websites categories. Including News & Media, Arts & Entertainment, Autos & Vehicles, Car Buying and 95 other categories.
Tremor Media is leading in Nutrition, Martial Arts, Weight Loss, Beauty & Fitness and 4 other categories.
SpotX is leading in most countries, including United States, Germany, Netherlands, Spain and 45 other countries.
Tremor Media is leading in Tunisia, Virgin Islands, Bolivia, Poland and 4 other countries.