The document discusses different types of websites, categorized by functionality and purpose. Websites can be static, dynamic, or responsive based on functionality. Static websites have static content that does not change over time and are easier to develop, while dynamic websites have changing content that require more coding. Responsive websites provide an optimal viewing experience across different devices. Websites can also be categorized by purpose, such as personal websites, informative websites, business websites, e-commerce websites, and social networking websites. The document was written by Vaibhav Vats, an internet marketing consultant and trainer.