Web development is the process of creating and maintaining websites, involving both front-end (user-facing) and back-end (server-side) development. It includes structuring content with HTML, styling with CSS, and adding interactivity using JavaScript. Back-end development manages databases, servers, and application logic with tools like Python, PHP, or MySQL. Many websites today are powered by content management systems (CMS) like WordPress, Joomla, or Drupal. These platforms allow users to easily create, update, and manage website content without coding knowledge. Web development also focuses on responsive design, ensuring sites perform well on all devices.