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, Arts & Entertainment, Travel and 31 other categories.
Usablenet is leading in Shopping, Food & Drink, Food & Grocery Retailers, Home & Garden and 25 other categories.
Bluemetrix is leading in most countries, including Japan, United Kingdom, Ireland, Russia and 21 other countries.
Usablenet is leading in United States, Spain, Italy, Chile and 5 other countries.