Leading e-commerce sites in the U.S. 2021, by monthly visits
Online retail in a nutshellOnline retail in the United States is a multi-billion dollar sector of business-to-consumer transactions where goods and services are sold via the internet. There are several business models at play here with the likes of Walmart, Home Depot, or Target based on brick-and-mortar stores whereas others such as Amazon, eBay, or Etsy are designated online marketplaces. It also includes eBay which allows third-party or private sellers to market their goods.
Online retail sites enable customers to browse through a range of products before placing them into an electronic shopping cart. Unlike their retail counterparts, online retail sites are not bound to a physical location or limited by store opening hours, and as such, have proven themselves immensely convenient for consumers. Apparel & accessories and computers & consumer electronics are some of the most popular e-commerce categories in the United States.