AdAction is leading in Top 100K Sites and Top 1M Sites.
AdAction has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, Marketing & Advertising and 70 other categories.
OMG is leading in Shopping, Coupons, Travel, Internet & Telecom and 53 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 40 other countries.
OMG is leading in India, United Kingdom, Russia, Singapore and 21 other countries.