FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
FredHopper has better usage coverage in more websites categories. Including Business & Industry, Shopping, Clothing, Home & Garden and 26 other categories.
Vertster is leading in Computer & Electronics, Computer Hardware, Internet & Telecom, Computer Security and 6 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Netherlands, Germany and 28 other countries.
Vertster is leading in Brazil.