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 94 other categories.
Twyn is leading in Weather, Classifieds, Real Estate, Running and 7 other categories.
SpotX is leading in most countries, including United States, Germany, Netherlands, United Kingdom and 48 other countries.
Twyn is leading in Austria, Switzerland, Slovakia and Hungary.