Korrelate is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Korrelate has better usage coverage in more websites categories. Including Autos & Vehicles, Car Buying, Automotive Industry, Business & Industry and 21 other categories.
Simple AdServer is leading in Adult, Motorsports and Sports.
Korrelate is leading in most countries, including United States, Canada, Russia, Venezuela and 9 other countries.
Simple AdServer hasn't got a lead over Korrelate in any country.