In the context of digital marketing, a pixel is a small piece of code placed on a website to track user behavior and interactions. It is typically used for conversion tracking, retargeting, and creating custom audiences for advertising campaigns.
When a user visits a website with a pixel installed, the pixel sends information back to the ad platform, such as Facebook or Google Ads. This allows advertisers to measure the effectiveness of their campaigns and deliver more targeted ads to specific user groups.
Pixels can track actions such as page views, purchases, sign-ups, and other metrics.

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