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, Career & Education and 40 other categories.
Whirlwind Ecommerce is leading in Real Estate, Restaurants & Delivery and Food & Drink.
i-system is leading in most countries, including Poland, Malaysia, Spain, Argentina and 18 other countries.
Whirlwind Ecommerce is leading in United States.