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 71 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 36 other countries.
OMG is leading in India, United Kingdom, Pakistan, Poland and 21 other countries.