Peerius is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Peerius has better usage coverage in more websites categories. Including Shopping, Clothing, Home & Garden, Consumer Electronics and 42 other categories.
Webclicktracker is leading in Business & Industry, Industrial Goods & Services, Construction & Maintenance, Music & Audio and 14 other categories.
Peerius is leading in most countries, including United Kingdom, Germany, Switzerland, Austria and 35 other countries.
Webclicktracker is leading in United States, China, Mexico, Uganda and 7 other countries.