SpotX is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
SpotX has better usage coverage in more websites categories. Including Arts & Entertainment, Autos & Vehicles, News & Media, Car Buying and 93 other categories.
Tremor Media is leading in Movies, Video Games, Nutrition, Martial Arts and 5 other categories.
SpotX is leading in most countries, including United States, Sweden, Germany, Netherlands and 44 other countries.
Tremor Media is leading in China, Poland, Belarus, Cambodia and 4 other countries.