What is a key feature of dynamic web pages?

Dynamic web pages are designed to change content based on user interactions, which is a fundamental characteristic that distinguishes them from static web pages. This interactivity allows for a more engaging user experience, as the content can vary depending on factors such as user input, preferences, and actions taken on the site.

For example, when a user fills out a form or clicks a button, the server can process this input and update the page content without requiring a refresh. This allows for the display of personalized information, such as user-specific data or real-time updates, which contributes significantly to the functionality and responsiveness of modern websites.

The other features mentioned are not applicable to dynamic web pages. They typically involve more than just plain HTML, often incorporating server-side languages like PHP, Python, or JavaScript to enable the dynamic functionality. Additionally, programming languages are essential for creating dynamic content, which underscores the importance of server-side and client-side scripting in the development process.