Monday, August 24, 2020

First Party Cookies vs Third Party Cookies

The ‘Party’ of cookies is relative to the URL that the user's browser is on.
- The domain the user is on is the first-party. Any cookies set on that domain
are first-party cookies.
- Any cookies set on domains other than the one the user is on are third-party cookies.
- Browsers don’t have a section of stored first party cookies vs third party
cookies. They are all just cookies.
- The same cookie can be both a 1st or 3rd party depending upon what domain the user is on.
- There is no difference between the DoubleClick ID cookie set as a first-party cookie, vs the DoubleClick ID cookie set as third-party cookie.
 

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