Usablenet is leading in Top 10K Sites and Top 100K Sites.
VisualVisitor has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Computer & Electronics, Marketing & Advertising and 83 other categories.
Usablenet is leading in Shopping, People & Society, Death, Travel and 15 other categories.
VisualVisitor is leading in most countries, including United States, India, Canada, United Kingdom and 64 other countries.
Usablenet is leading in Japan, Oman and Latvia.