FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Optimost has better usage coverage in more websites categories. Including People & Society, Finance, Insurance, Travel and 53 other categories.
FredHopper is leading in Shopping, Business & Industry, Clothing, Home & Garden and 14 other categories.
FredHopper is leading in most countries, including France, Netherlands, United Kingdom, Germany and 18 other countries.
Optimost is leading in United States, Australia, India, Canada and 14 other countries.