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, News & Media, Autos & Vehicles, Car Buying and 96 other categories.
Vertical Acuity hasn't got a lead over SpotX in any websites category.
SpotX is leading in most countries, including United States, Germany, Netherlands, United Kingdom and 48 other countries.
Vertical Acuity is leading in China.