This version of our chat does not use cookies, only the browsers local storage. localStorage is a property that allows JavaScript sites and apps to save key/value pairs in a web browser with no expiration date. This means the data stored in the browser will persist even after the browser window is closed.

Here's a list of localStorage-keys that are used:

  • [euwa_chat]chatId
  • [euwa_chat]denyArchiving
  • [euwa_chat]initialQueueKey
  • [euwa_chat]lastQueuePositionTime
  • [euwa_chat]nickName
  • [euwa_chat]pageTracker
  • [euwa_chat]requestId
  • [euwa_chat]session
  • [euwa_chat]sessionId
  • [euwa_chat]startFormVariables
  • [euwa_chat]subject
  • [euwa_chat]windowRect
  • [euwa_chat]authCode

Note that many of our customers are using the EUWA wrapper (see separate article) to bridge the web site with the chat application. The EUWA wrapper uses among others these necessary cookies to optimize the product's performance on Azure, by providing proper load balancing between our servers:

  • aRRAffinitySameSite
  • aRRRAffinity


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