Amazon Dominates 2025: The World’s Most-Visited E-Commerce Sites 2025 E-Commerce Insight Alert According to a recent study by Voronoi, the global e-commerce landscape is more top-heavy than ever:• Amazon captures ≈ 43% of visits among the top 20 e-commerce sites.• The top five platforms (Amazon, Temu, AliExpress, eBay and Ozon) account for nearly 60% of