FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
FredHopper has better usage coverage in more websites categories. Including Shopping, Business & Industry, Clothing, Home & Garden and 22 other categories.
Zeta Search is leading in Internet & Telecom, Finance, Health, Online Marketing and 15 other categories.
FredHopper is leading in most countries, including France, Netherlands, United Kingdom, Germany and 25 other countries.
Zeta Search is leading in United States, Canada, Afghanistan, Oman and one other country.