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 20 other categories.
Vertster is leading in Internet & Telecom, People & Society, Computer & Electronics, Computer Hardware and 5 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Netherlands, Germany and 25 other countries.
Vertster is leading in Australia, Slovenia and Brazil.