AdvertPro is leading in Top 10K Sites and Top 100K Sites.
OMG has better usage coverage in more websites categories. Including Shopping, Coupons, Arts & Entertainment, Travel and 66 other categories.
AdvertPro is leading in Business & Industry, Adult, Real Estate, Autos & Vehicles and 48 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, Russia, Singapore and 30 other countries.