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 104 other categories.
StackAdapt is leading in Consumer Electronics, Nursery & Playroom, Home & Garden, Consumer Electronics and one other category.
SpotX is leading in most countries, including United States, Germany, Netherlands, United Kingdom and 41 other countries.
StackAdapt is leading in Canada, Hong Kong and Ecuador.