httppool is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
PayClick has better usage coverage in more websites categories. Including People & Society, Business & Industry, Internet & Telecom, Sports and 58 other categories.
httppool is leading in Arts & Entertainment, News & Media, Adult, Marketing & Advertising and 51 other categories.
httppool is leading in most countries, including Bulgaria, Serbia, Slovenia, Macedonia and 37 other countries.
PayClick is leading in Italy, Germany, France, Spain and 13 other countries.