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 26 other categories.
Vertster is leading in Computer & Electronics, Internet & Telecom, Computer Hardware, Search Engine and 6 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Germany, Netherlands and 25 other countries.
Vertster hasn't got a lead over FredHopper in any country.