E-commerce (electronic commerce) is the trading of products or services using computer networks such as the Internet. E-Commerce Web Development utilizes technologies such as mobile commerce, electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange (EDI), inventory management systems, and automated data collection systems.
Modern e-commerce typically uses the Internet for at least one part of the transaction's lifecycle, although it may also use other technologies such as e-mail. E-Commerce has become an important tool for both small and large businesses worldwide to sell to customers and engage them.

Employing online shopping websites for retail sales directly to consumers, providing online marketplaces, business-to-business buying and selling, and business-to-business electronic data interchange is what E-Commerce Web Development specializes in. Responsive web design, or part of e-commerce, is related to the concept of developing a website that helps the layout become compatible according to the user’s computer screen resolution. A site must be developed using a variety of techniques and considerations to deliver a quality, consistent brand experience across all platforms and devices.