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 96 other categories.
WebTrends Ads is leading in Law & Government, Law, Business Services, Transportation & Logistics and 5 other categories.
SpotX is leading in most countries, including United States, Netherlands, Germany, Spain and 47 other countries.
WebTrends Ads is leading in Canada, Costa Rica, Guatemala, Australia and 3 other countries.