Sitespect is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Sitespect has better usage coverage in more websites categories. Including Shopping, Clothing, Consumer Electronics, Sports and 32 other categories.
Usablenet is leading in Food & Drink, Food & Grocery Retailers, Home & Garden, Health and 25 other categories.
Sitespect is leading in most countries, including United States, Netherlands, Belgium, Canada and 12 other countries.
Usablenet is leading in United Kingdom, Spain, Uzbekistan, Trinidad and Tobago and 7 other countries.