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 73 other categories.
PayClick is leading in People & Society, Arts & Entertainment, News & Media, Internet & Telecom and 56 other categories.
AdAction is leading in most countries, including Norway, Sweden, Netherlands, Denmark and 39 other countries.
PayClick is leading in Italy, France, Russia, Switzerland and 11 other countries.