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 50 other categories.
ProsperCart is leading in Music & Audio, Sports, Martial Arts, Autos & Vehicles and 6 other categories.
Amazon Webstore is leading in most countries, including United States, Japan, United Kingdom, China and 41 other countries.
ProsperCart is leading in Finland and Norway.