SpotX is leading in 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 57 other categories.
Yieldlab is leading in Business & Industry, People & Society, Shopping, Music & Audio and 46 other categories.
SpotX is leading in most countries, including United States, Netherlands, Spain, Russia and 36 other countries.
Yieldlab is leading in Germany, France, Austria, Switzerland and 18 other countries.