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, News & Media and 64 other categories.
OMG is leading in Shopping, Coupons, Travel, Internet & Telecom and 47 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 37 other countries.
OMG is leading in India, United Kingdom, Poland, Philippines and 28 other countries.