FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Popcorn Metrics has better usage coverage in more websites categories. Including Internet & Telecom, Arts & Entertainment, Health, Travel and 35 other categories.
FredHopper is leading in Shopping, Business & Industry, Clothing, Home & Garden and 12 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Netherlands, Germany and 20 other countries.
Popcorn Metrics is leading in United States, Australia, Portugal, Canada and 14 other countries.