FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
FredHopper has better usage coverage in more websites categories. Including Business & Industry, Shopping, Clothing, Home & Garden and 20 other categories.
Vizzit is leading in Science, Social Sciences, Law & Government, Government and 17 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Netherlands, Germany and 24 other countries.
Vizzit is leading in Sweden, China, Hong Kong and India.