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, Internet & Telecom and 101 other categories.
zapunited is leading in People & Society, Arts & Entertainment, Adult, Photography and 28 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 33 other countries.
zapunited is leading in India, United Kingdom, Brazil, Canada and 28 other countries.