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 62 other categories.
Yieldlab is leading in Business & Industry, Music & Audio, Shopping, Internet & Telecom and 47 other categories.
SpotX is leading in most countries, including United States, Netherlands, Spain, United Kingdom and 40 other countries.
Yieldlab is leading in Germany, France, Austria, Switzerland and 14 other countries.