Popcorn Metrics is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Popcorn Metrics has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Arts & Entertainment, Health and 38 other categories.
Usablenet is leading in Shopping, Consumer Electronics, Sports, Food & Drink and 29 other categories.
Popcorn Metrics is leading in most countries, including Australia, France, Portugal, Canada and 22 other countries.
Usablenet is leading in United States, United Kingdom, Spain, Italy and 4 other countries.