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 83 other categories.
Tremor Media is leading in Marketing & Advertising, Nutrition, Accommodation & Hotels, Performing Arts and 3 other categories.
SpotX is leading in most countries, including United States, Netherlands, Germany, Spain and 43 other countries.
Tremor Media is leading in Japan and Viet Nam.