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, Music & Audio and 71 other categories.
OMG is leading in Shopping, Coupons, Travel, Internet & Telecom and 50 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 39 other countries.
OMG is leading in India, United Kingdom, Turkey, Russia and 24 other countries.