FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Yahoo Search Marketing Analytics has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Internet & Telecom, Health and 94 other categories.
FredHopper is leading in Shopping, Clothing, Home & Garden, Adult and 8 other categories.
FredHopper is leading in most countries, including United Kingdom, France, Netherlands, Germany and 32 other countries.
Yahoo Search Marketing Analytics is leading in Japan, United States, South Korea, Taiwan and 17 other countries.