Can you explain the role of cookies in retargeting ads

Cookies play a crucial role in the functioning of retargeting ads. They are small pieces of data stored on the user's computer by the web browser while browsing a website. In the context of retargeting, cookies are used to track website visitor activity and to identify returning users.
When a user visits a website Banner Design Service that has a retargeting pixel, this pixel triggers the browser to drop an anonymous browser cookie. This cookie doesn’t contain personal information but does hold a unique ID to track the user.



When the user continues browsing the internet, the cookie lets the retargeting platform know when to serve ads, ensuring that these ads are served only to people who have previously visited the website. This process happens in real-time and allows advertisers to show the most relevant ads based on the user's behavior on the original site.
Therefore, cookies are an integral part of retargeting, enabling advertisers to reach out to potential customers who have shown interest in their products or services, and to present them with highly targeted and personalized ads that can prompt them to complete a purchase.