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 37 other categories.
ROI trax is leading in Business & Industry, Health, Internet & Telecom, Career & Education and 25 other categories.
Peerius is leading in most countries, including United Kingdom, Germany, Switzerland, Austria and 36 other countries.
ROI trax is leading in United States, Chile, China, Ghana and 2 other countries.