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 59 other categories.
httppool is leading in Arts & Entertainment, News & Media, Adult, TV & Video and 50 other categories.
httppool is leading in most countries, including Bulgaria, Serbia, Macedonia, Slovenia and 28 other countries.
PayClick is leading in Italy, Germany, France, United Kingdom and 9 other countries.