Proclivity is leading in Top 100K Sites and Top 1M Sites.
Proclivity has better usage coverage in more websites categories. Including Health, Medicine, Sports, Football and 26 other categories.
Webclicktracker is leading in Business & Industry, Industrial Goods & Services, Shopping, Construction & Maintenance and 15 other categories.
Proclivity is leading in most countries, including United States, Russia, United Kingdom, Italy and 9 other countries.
Webclicktracker is leading in China, Taiwan, Indonesia, Kuwait and 5 other countries.