FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
YellowTracker has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, News & Media and 59 other categories.
FredHopper is leading in Shopping, Clothing, Home & Garden, General Merchandise and 10 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Germany, Austria and 23 other countries.
YellowTracker is leading in Netherlands, United States, Canada, Viet Nam and 5 other countries.