Proclivity is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Proclivity has better usage coverage in more websites categories. Including Health, Sports, Football, Medicine and 32 other categories.
Webclicktracker is leading in Business & Industry, Industrial Goods & Services, Construction & Maintenance, Music & Audio and 14 other categories.
Webclicktracker is leading in most countries, including Japan, Brazil, Canada, India and 7 other countries.
Proclivity is leading in United States, Germany, Turkey, Spain and 3 other countries.