What is the difference between a pixel and a cookie?
A pixel or tracking pixel is a transparent graphic embedded in a web page or an email to collect data from users. A cookie is a small piece of data stored on a user’s device by the user’s web browser when they visit a website.
Key differences between pixels and cookies:
| Pixel | Cookie | |
|---|---|---|
| Function | Pixels are used for tracking user behaviour and collecting data about their interactions with web content. | Cookies are used for storing user-specific information such as login details and preferences, as well as tracking and profiling user behaviour. |
| Storage | Pixels are not stored on the user’s device but are instead embedded in web content. | Cookies are stored on the user’s device by the web browser. |
| User control | Pixels cannot be directly controlled by users, as they are embedded in web content. | Users can control cookies through browser settings or cookie consent banners. |