Prudsys is leading in Top 100K Sites.
Usablenet has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Sports, Sports and 20 other categories.
Prudsys is leading in Shopping, Clothing, Consumer Electronics, Office Products and one other category.
Usablenet is leading in most countries, including United States, United Kingdom, Spain, Mexico and 7 other countries.
Prudsys is leading in Italy, Croatia, Poland, Slovenia and 6 other countries.