Cobalt Group is leading in Top 100K Sites and Top 1M Sites.
Shopzilla has better usage coverage in more websites categories. Including Shopping, People & Society, Arts & Entertainment, Clothing and 104 other categories.
Cobalt Group is leading in Autos & Vehicles, Car Buying, Business & Industry, Automotive Industry and 29 other categories.
Shopzilla is leading in most countries, including Russia, Italy, United Kingdom, Malaysia and 25 other countries.
Cobalt Group is leading in United States, Canada, Australia, Mexico and 18 other countries.