Tracking Pixel
- A tracking pixel (also called a marketing pixel or pixel tag) is an HTML or Javascript code snippet that is added to a website that loads an invisible image when someone visits a website or opens an email.
- Typically used to track website or email activity include the following:
- Operating system
- Device type
- The type of client (I.e. browser or mail client)
- Screen resolution
- Time viewed
- As well as other attributes