PayClick is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
PayClick has better usage coverage in more websites categories. Including Business & Industry, News & Media, People & Society, Arts & Entertainment and 75 other categories.
Six Apart Advertising is leading in Humor, Law & Government, Government, Gay, Lesbian, & Bisexual and 12 other categories.
PayClick is leading in most countries, including Italy, Germany, France, Russia and 25 other countries.
Six Apart Advertising is leading in United States, Netherlands, Mexico, Pakistan and 3 other countries.