AdvertPro is leading in Top 10K Sites and Top 1M Sites.
OMG has better usage coverage in more websites categories. Including Shopping, Coupons, Arts & Entertainment, Travel and 70 other categories.
AdvertPro is leading in Business & Industry, Adult, Real Estate, Autos & Vehicles and 49 other categories.
AdvertPro is leading in most countries, including United States, South Africa, Norway, Turkey and 31 other countries.
OMG is leading in India, United Kingdom, Indonesia, Russia and 23 other countries.