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, Pets & Animals and 22 other categories.
Whirlwind Ecommerce is leading in Real Estate, Food & Drink, Home & Garden and Restaurants & Delivery.
i-system is leading in most countries, including Poland, Greece, Malaysia, Japan and 9 other countries.
Whirlwind Ecommerce is leading in United States.