## What is WhatWeb?

WhatWeb is an open-source tool used for fingerprinting web technologies utilized by a website. It analyzes the HTTP headers, HTML content, and other aspects of a web page to identify the software and frameworks being used, such as CMS platforms, server types, JavaScript libraries, and more.

## Common Use and Commands:

WhatWeb is commonly used by security professionals and web developers to gather information about a target website's technology stack. To utilize WhatWeb, follow these steps:

```Terminal
whatweb [OPTIONS] TARGET_URL
```

Common options include:
- `-v`: Verbose mode, providing more detailed output.
- `-a`: Aggressive mode, increasing the intensity of detection.
- `-i`: Ignore IP addresses in URLs.
- `-l`: Limit requests to a specific URL or directory.

Example:
```Terminal
whatweb -v example.com
```

Output may include:
- Detected CMS platforms (e.g., WordPress, Joomla).
- Server information (e.g., Apache, Nginx).
- JavaScript libraries and frameworks.
- Security headers and configurations.

## More Information:

For additional details on WhatWeb and its usage, users can refer to the tool's documentation or visit the official website. Additionally, the source code for WhatWeb is available on GitHub: [https://github.com/urbanadventurer/WhatWeb](https://github.com/urbanadventurer/WhatWeb).