Bluemetrix is leading in Top 100K Sites and Top 1M Sites.
Bluemetrix has better usage coverage in more websites categories. Including Business & Industry, Real Estate, Shopping, Travel and 45 other categories.
Usablenet is leading in Clothing, Home & Garden, Sports, Food & Drink and 9 other categories.
Bluemetrix is leading in most countries, including Japan, United Kingdom, Ireland, France and 34 other countries.
Usablenet is leading in United States, Italy, Spain, India and 3 other countries.