Amazon Webstore is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Amazon Webstore has better usage coverage in more websites categories. Including Shopping, Business & Industry, General Merchandise, Arts & Entertainment and 62 other categories.
i-system is leading in Clothing, Career & Education, Education, Health and 15 other categories.
Amazon Webstore is leading in most countries, including United States, United Kingdom, India, Germany and 40 other countries.
i-system is leading in Poland, Malaysia, Greece, Estonia and 2 other countries.