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, Internet & Telecom and 34 other categories.
Shopzilla is leading in Shopping, Computer & Electronics, Consumer Electronics, Cooking & Recipes and 30 other categories.
Shopzilla is leading in most countries, including United States, Canada, Australia, Russia and 19 other countries.
Double.net is leading in Sweden, Germany, Norway, Niue and 9 other countries.