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 68 other categories.
FredHopper is leading in Shopping, Business & Industry, Clothing, Home & Garden and 14 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Netherlands, Germany and 25 other countries.
Vizu is leading in United States, India, Indonesia, Canada and 15 other countries.