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 64 other categories.
Vocus is leading in Business & Industry, People & Society, Health, Internet & Telecom and 60 other categories.
SpotX is leading in most countries, including United States, Netherlands, Germany, Spain and 37 other countries.
Vocus is leading in Canada, Singapore, Sudan, China and 14 other countries.