AdAction is leading in Top 10K Sites, 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 69 other categories.
OMG is leading in Shopping, Coupons, Travel, Internet & Telecom and 56 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 30 other countries.
OMG is leading in India, United Kingdom, Russia, Singapore and 25 other countries.