AdvertPro is leading in Top 10K Sites and Top 100K Sites.
AdvertPro has better usage coverage in more websites categories. Including Business & Industry, Real Estate, News & Media, Arts & Entertainment and 49 other categories.
GroupM Server is leading in Autos & Vehicles, Games, Makes & Models, Video Games and 18 other categories.
AdvertPro is leading in most countries, including United States, South Africa, Norway, Turkey and 34 other countries.
GroupM Server is leading in Poland, Germany, Denmark, Italy and 20 other countries.