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 17 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Germany, Spain and 30 other countries.
YellowTracker is leading in Netherlands, Belgium, Australia, Israel and 13 other countries.