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, Autos & Vehicles, News & Media, Car Buying and 94 other categories.
Vertical Acuity is leading in Rugby.
SpotX is leading in most countries, including United States, Germany, Netherlands, Spain and 46 other countries.
Vertical Acuity hasn't got a lead over SpotX in any country.