AdvertPro is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdvertPro has better usage coverage in more websites categories. Including Business & Industry, Real Estate, News & Media, Arts & Entertainment and 46 other categories.
GroupM Server is leading in Autos & Vehicles, Games, Music & Audio, Software and 22 other categories.
AdvertPro is leading in most countries, including United States, South Africa, Norway, Turkey and 32 other countries.
GroupM Server is leading in Poland, Germany, Denmark, Italy and 15 other countries.