FredHopper is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
TruEffect has better usage coverage in more websites categories. Including News & Media, People & Society, Arts & Entertainment, Internet & Telecom and 36 other categories.
FredHopper is leading in Shopping, Business & Industry, Clothing, Home & Garden and 18 other categories.
FredHopper is leading in most countries, including France, United Kingdom, Netherlands, Germany and 23 other countries.
TruEffect is leading in United States, Japan, Italy, India and 13 other countries.