An e-commerce website is an online platform that allows businesses and consumers to buy and sell products or services over the internet. These websites typically feature product listings, shopping carts, and secure payment gateways, making it easy for users to browse items and complete transactions from the comfort of their homes. Popular examples of e-commerce websites include Amazon, eBay, and Etsy. They cater to various markets, offering everything from electronics to handmade crafts. E-commerce has transformed the retail landscape, enabling businesses to reach a global audience and providing consumers with a wider selection of products.