Web development involves creating websites and applications for the internet or intranet. It includes designing static and dynamic websites. The development process includes project planning, defining business requirements, design, development, testing, and deployment. An e-commerce shopping cart allows online customers to view products, purchase multiple items together, see a running total, and checkout with payment and shipping information. Shopping carts can be developed using technologies like Magento, PHP, .NET, and WordPress. Each technology provides features like analytics, catalog browsing, customer accounts, order management, payment options, and international support.