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, Shopping, Marketing & Advertising, Science and 78 other categories.
AdOnion is leading in Arts & Entertainment, People & Society, Movies, Internet & Telecom and 43 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 36 other countries.
AdOnion is leading in India, Indonesia, Australia, Canada and 20 other countries.