PayClick is leading in Top 100K Sites and Top 1M Sites.
Shopzilla has better usage coverage in more websites categories. Including Shopping, Clothing, Consumer Electronics, Beauty & Fitness and 76 other categories.
PayClick is leading in People & Society, Arts & Entertainment, Business & Industry, News & Media and 47 other categories.
Shopzilla is leading in most countries, including United States, Canada, United Kingdom, Russia and 26 other countries.
PayClick is leading in Italy, Switzerland, Argentina, Germany and 11 other countries.