What Is a Pixel, or Tracking Pixel?

1×1 Hidden Image

In the digital marketing world, “tracking pixel” or just “pixel” thrown around a lot. So what exactly is Pixel?

A pixel, originally, is a technical term that describes a single smallest display unit on a computer screen, the smallest 1×1 square display element. Pixels are combined to form a complete image, video, text, or anything visible on a computer display.

Pixel Is A Javascript Code Snippet

Because retrieving an image on a webpage is an HTTP REQUEST that can be logged on the hosting server, marketers quickly learned to use the smallest 1×1 pixel-sized image, usually hidden or transparent, to track site/application activity. Any additional query string parameters can also be included as part of the log event.

For example, Facebook uses tracking pixel code similar to the following:

Simply put, Pixel is a Javascript Code Snippet embedded on websites used to track conversions on how they browse, what type of ads they click on, and other metrics.

License: CC BY-SA 4.0

The data acquired – all anonymously – are used for online marketing and traffic analysis and retargeting while maintaining users’ privacy.

In summary, a tracking pixel code can track:

  • traffic source,
  • open emails,
  • digital ad impressions,
  • sales conversions,
  • computer devices, screen resolution,
  • IP address,
  • geolocation,
  • website visits, and many other types of web activity.

To Sum Up

A tracking pixel is a wonderful tool for advertisers and marketers to collect useful data for web analysis, online marketing, and email marketing. The collected data will help companies get information related to email opens, digital ad impressions, sales conversions, website visits, and other types of web activity.

Cuedd also uses Pixel to determine when to pop up the notification, and when and how to trigger display while collecting the useful data for marketing analytics.

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