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, Autos & Vehicles, News & Media, Car Buying and 86 other categories.
Twiago is leading in Reference, Weather, Technology News, Dictionaries & Encyclopedias and 8 other categories.
SpotX is leading in most countries, including United States, Netherlands, Spain, Russia and 44 other countries.
Twiago is leading in Germany, Switzerland, Austria, Macedonia and one other country.