Notebook about Cookies, Browsers…

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Website Cookie

What Types of Cookies Are There? 1

There are essentially two types of cookies – first-party and third-party. From a technical perspective, there is no real difference between the two types of cookies; they both contain the same pieces of information and can perform the same functions.

However, the real difference between the types of cookies has to do with how they are created and subsequently used, which often depends on the context. There are different benefits of creating first- vs third-party cookies.

First-party cookies are stored by the domain (website) you are visiting directly. They allow website owners to collect analytics data, remember language settings, and perform other useful functions that help provide a good user experience.

Third-party cookies are created by domains other than the one you are visiting directly, hence the name third-party. They are used for cross-site tracking, retargeting and ad-serving.

Just in case you were wondering, the existence of second-party cookies is a subject of contention. Second-party cookies are cookies that are transferred from one company (the one that created first-party cookies) to another company via some sort of data partnership. For example, an airline could sell its first-party cookies (and other first-party data such as names, email addresses, etc.) to a trusted hotel chain to use for ad targeting, which would mean the cookies become classed as second-party.