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 80 other categories.
PayClick is leading in People & Society, Arts & Entertainment, News & Media, Business & Industry and 52 other categories.
Shopzilla is leading in most countries, including United States, United Kingdom, India, Canada and 30 other countries.
PayClick is leading in Italy, Germany, Russia, France and 9 other countries.