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, News & Media, Internet & Telecom and 88 other categories.
zapunited is leading in People & Society, Arts & Entertainment, Adult, Photography and 32 other categories.
AdAction is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 51 other countries.
zapunited is leading in India, Pakistan, Peru, Hong Kong and 4 other countries.