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, Autos & Vehicles, Car Buying, Sports and 62 other categories.
zapunited is leading in People & Society, Arts & Entertainment, Adult, Photography and 32 other categories.
SpotX is leading in most countries, including United States, Netherlands, Germany, Spain and 45 other countries.
zapunited is leading in India, Morocco, Norway, Mauritius and one other country.