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 103 other categories.
Cobalt Group is leading in Autos & Vehicles, Car Buying, Business & Industry, Automotive Industry and 28 other categories.
Shopzilla is leading in most countries, including United Kingdom, Russia, Poland, Japan and 20 other countries.
Cobalt Group is leading in United States, Canada, Australia, Mexico and 19 other countries.