Unister is leading in Top 100K Sites and Top 1M Sites.
Webclicktracker has better usage coverage in more websites categories. Including Business & Industry, Industrial Goods & Services, Shopping, Construction & Maintenance and 22 other categories.
Unister is leading in Travel, People & Society, Tourism, Relationships & Dating and 3 other categories.
Webclicktracker is leading in most countries, including United States, India, United Kingdom, Egypt and 10 other countries.
Unister is leading in Germany, Austria, Switzerland, China and one other country.