Double.net is leading in Top 100K Sites and Top 1M Sites.
Double.net has better usage coverage in more websites categories. Including Business & Industry, Social Sciences, Science, Arts & Entertainment and 40 other categories.
Shopzilla is leading in Shopping, Consumer Electronics, Computer & Electronics, Food & Drink and 34 other categories.
Shopzilla is leading in most countries, including United States, Canada, Germany, Russia and 20 other countries.
Double.net is leading in Sweden, Niue, Norway, Finland and 13 other countries.