FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Vizzit has better usage coverage in more websites categories. Including Science, Social Sciences, Government, Law & Government and 26 other categories.
FredHopper is leading in Shopping, Business & Industry, Clothing, Home & Garden and 25 other categories.
FredHopper is leading in most countries, including United Kingdom, France, Germany, Netherlands and 26 other countries.
Vizzit is leading in Sweden.