Usablenet is leading in Top 100K Sites and Top 1M Sites.
WebVisor has better usage coverage in more websites categories. Including Computers Electronics & Technology, Heavy Industry & Engineering, Arts & Entertainment, Science & Education and 7 other categories.
Usablenet is leading in Food & Drink, E-commerce & Shopping, Vehicles, Lifestyle and 3 other categories.
WebVisor is leading in most countries, including Russia, Kazakhstan, Ukraine, Belarus and 8 other countries.
Usablenet is leading in United States, United Kingdom, India, Chile and 3 other countries.