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, Sports and 61 other categories.
Vocus is leading in Business & Industry, People & Society, Health, Internet & Telecom and 58 other categories.
SpotX is leading in most countries, including United States, Netherlands, Germany, Spain and 47 other countries.
Vocus is leading in India, Canada, Iran, Australia and 7 other countries.