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, Car Buying and 98 other categories.
Yieldr is leading in Travel, Accommodation & Hotels, Airlines & Airports, Products & Shopping and one other category.
SpotX is leading in most countries, including United States, Germany, Netherlands, United Kingdom and 46 other countries.
Yieldr is leading in Guinea-Bissau, Poland and Finland.