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 85 other categories.
OMG is leading in Shopping, Coupons, Travel, Internet & Telecom and 48 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 43 other countries.
OMG is leading in India, United Kingdom, Poland, Brazil and 31 other countries.