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, Sports and 101 other categories.
StackAdapt is leading in Consumer Electronics.
SpotX is leading in most countries, including United States, Germany, Netherlands, United Kingdom and 54 other countries.
StackAdapt is leading in Canada, Hong Kong and United Arab Emirates.