FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Vizzit has better usage coverage in more websites categories. Including Social Sciences, Science, Government, Law & Government and 22 other categories.
FredHopper is leading in Shopping, Business & Industry, Clothing, Home & Garden and 20 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Germany, Netherlands and 24 other countries.
Vizzit is leading in Sweden and India.