FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Vizu has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Technology News and 67 other categories.
FredHopper is leading in Business & Industry, Shopping, Clothing, Home & Garden and 16 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Netherlands, Germany and 21 other countries.
Vizu is leading in United States, Indonesia, Brazil, India and 11 other countries.