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 67 other categories.
OMG is leading in Shopping, Coupons, Travel, Internet & Telecom and 55 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 35 other countries.
OMG is leading in India, United Kingdom, Russia, Australia and 23 other countries.