i-system is leading in Top 100K Sites and Top 1M Sites.
i-system has better usage coverage in more websites categories. Including Shopping, Business & Industry, Clothing, Internet & Telecom and 19 other categories.
ShopRocket is leading in Travel, Computer & Electronics, Tourism, Software and 11 other categories.
ShopRocket is leading in most countries, including United States, United Kingdom, Spain, Ukraine and 11 other countries.
i-system is leading in Poland, Greece, Malaysia, Germany and 6 other countries.