FredHopper is leading in Top 10K Sites and Top 100K Sites.
Vizzit has better usage coverage in more websites categories. Including Science, Social Sciences, Law & Government, Government and 29 other categories.
FredHopper is leading in Business & Industry, Shopping, Clothing, Home & Garden and 26 other categories.
FredHopper is leading in most countries, including France, Netherlands, United Kingdom, Germany and 38 other countries.
Vizzit is leading in Sweden, Norway, Niue, Pakistan and one other country.