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 66 other categories.
OMG is leading in Shopping, Coupons, Travel, Internet & Telecom and 54 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 31 other countries.
OMG is leading in India, United Kingdom, France, Brazil and 24 other countries.