Double.net is leading in Top 100K Sites and Top 1M Sites.
Shopzilla has better usage coverage in more websites categories. Including Shopping, Clothing, Consumer Electronics, Health and 86 other categories.
Double.net is leading in Business & Industry, People & Society, Arts & Entertainment, Internet & Telecom and 52 other categories.
Shopzilla is leading in most countries, including United States, Canada, Russia, Germany and 22 other countries.
Double.net is leading in Sweden, India, Malta, Norway and 16 other countries.