Third Party

Full Title or Meme

An Entity that is brought into a online session after the first party and second party establish that session.

Context

• The original user of a third party was a server that was contacted by the first party server based on the interaction with the client (user in this case.)
• The most common use of the term now is an Identity Provider or Advertiser that is contacted by the first party web server.

Problems

Third party applications, like Single Sign-On relying on third party cookies, which will be blocked in all browser by sometime in 2025. If you want to test how this will look see this page,