Quigo AdSonar is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Quigo AdSonar has better usage coverage in more websites categories. Including People & Society, News & Media, Arts & Entertainment, Business & Industry and 70 other categories.
Shopzilla is leading in Shopping, Clothing, Consumer Electronics, Beauty & Fitness and 64 other categories.
Quigo AdSonar is leading in most countries, including United States, Germany, United Kingdom, Canada and 32 other countries.
Shopzilla is leading in Portugal, New Zealand, Malaysia, Ukraine and 11 other countries.