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 28 other categories.
FredHopper is leading in Business & Industry, Shopping, Clothing, Home & Garden and 25 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Netherlands, Germany and 32 other countries.
Vizzit is leading in Sweden and Norway.