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 85 other categories.
StackAdapt is leading in Health, Clothing, Marketing & Advertising, Construction & Maintenance and 5 other categories.
SpotX is leading in most countries, including United States, Netherlands, Germany, Spain and 48 other countries.
StackAdapt is leading in Canada, United Arab Emirates, Viet Nam and Hong Kong.