BridgeTrack is leading in Top 100K Sites and Top 1M Sites.
BridgeTrack has better usage coverage in more websites categories. Including Arts & Entertainment, Travel, Finance, Music & Audio and 31 other categories.
Kelkoo is leading in Children.
BridgeTrack is leading in most countries, including United States, Canada, United Kingdom, France and 9 other countries.
Kelkoo is leading in Denmark, Netherlands, Norway and Poland.