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 97 other categories.
Tremor Media is leading in Accommodation & Hotels, Weight Loss, Beauty & Fitness, Performing Arts and 3 other categories.
SpotX is leading in most countries, including United States, Netherlands, Germany, Russia and 42 other countries.
Tremor Media is leading in Colombia, Croatia, Poland, Saint Lucia and one other country.