FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
FredHopper has better usage coverage in more websites categories. Including Shopping, Business & Industry, Clothing, Home & Garden and 19 other categories.
Vizzit is leading in Science, Social Sciences, Law & Government, Government and 16 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Netherlands, Germany and 23 other countries.
Vizzit is leading in Sweden and Korea Republic.