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, Arts & Entertainment and 45 other categories.
Usablenet is leading in Clothing, Sports, Recreation & Hobbies, Mobile Developers and 10 other categories.
Bluemetrix is leading in most countries, including Japan, United Kingdom, Ireland, Indonesia and 38 other countries.
Usablenet is leading in United States, Spain, Italy, Mexico and 3 other countries.