What is cookie?

Security Important

An HTTP cookie is a small peice of data that a server sends to the user's web browser. The browser may store it and send it back with later requests to the same server. Typically, it is used to tell if two requests came from the same server browser - keeping a user logged-in.

Cookies are mainly used for three purposes:

  • Session management - Logins, game scores, shopping carts
  • Personalization - User preferences and themes
  • Tracking - Analyzing user behaviour
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