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, Sports, Recreation & Hobbies, Health and 13 other categories.
Bluemetrix is leading in most countries, including Japan, United Kingdom, Ireland, Russia and 39 other countries.
Usablenet is leading in United States, Spain, Italy, Viet Nam and 4 other countries.