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, Social Sciences and 84 other categories.
AdOnion is leading in Arts & Entertainment, People & Society, Movies, Internet & Telecom and 42 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 37 other countries.
AdOnion is leading in India, Pakistan, Hungary, Portugal and 14 other countries.