An e-commerce website is a digital platform that enables businesses to sell products or services online. It provides a seamless shopping experience with features like product catalogs, shopping carts, secure payment gateways, and customer reviews. A well-designed e-commerce site is user-friendly, mobile-responsive, and optimized for search engines, making it easy for customers to browse, purchase, and engage with your brand from anywhere. By integrating analytics and customer support tools, it also helps businesses track performance and enhance customers.