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 71 other categories.
FredHopper is leading in Shopping, Clothing, Home & Garden, Adult and 14 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Germany, Spain and 34 other countries.
YellowTracker is leading in Netherlands, Belgium, United States, India and 15 other countries.