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, General Merchandise, Arts & Entertainment, Internet & Telecom and 52 other categories.
i-system is leading in Business & Industry, Clothing, Career & Education, Education and 21 other categories.
Amazon Webstore is leading in most countries, including United States, India, Japan, United Kingdom and 34 other countries.
i-system is leading in Poland, Malaysia, Korea Republic, Argentina and 5 other countries.