Qubit's cookies

In this article...

We'll discuss our first-party cookies and how we use them to deliver personalization at scale.

First-party cookies

Qubit sets first-party cookies as a reliable way to:

  • Identify individual visitors, and tie them into the data that we collect
  • Target the correct visitor and provide them with a consistent personalized journey
  • Undertake deep analysis of experiences and journeys across a visitor's lifetime
  • Write and get experience data
  • Ensure cookies are working and supported in the browser

Refer to the following table for more details about each cookie. These are set for all customers that have added the smartserve.js script to their site pages.




Rolling 1 year

Stores user's Qubit Id

Rolling 1 year

Stores all persistent Qubit data

30 min inactivity

Stores all session based Qubit data

Rolling 1 year

Stores and retrieves experience data


1 day

Checks if cookies are working and supported in the browser

No data stored

INFO: Qubit also sets qubit_explorer when Qubit Explorer is open.

Last updated: January 2023
Did you find this article useful?