For third-party cookies, data is collected from multiple advertising companies or from a data aggregator company (where someone can purchase your information). They can be used across different websites and in advertisements, images or scripts, according to the previous study. This means users will be tracked on their device until their cookies are cleared or expire.
Third-party cookies can collect the same information as first-party cookies, along with a website visitor's information and conversation while using a live-chat. They can also be used for social media tagging.
Google is getting rid of third-party cookies in 2022. Let's take a look at why that is.