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 100 other categories.
TheWhizMarketing is leading in Computer Security.
SpotX is leading in most countries, including United States, Germany, Netherlands, Spain and 40 other countries.
TheWhizMarketing is leading in Brazil, Japan, Slovakia, Saudi Arabia and one other country.