Hi, thanks for reaching out.

The sppb_user_timezone cookie is created by SP Page Builder. It is used to detect and store the visitor’s timezone so that time-related features (such as dynamic content, scheduling, or date displays) can be shown correctly based on the user’s location.

This cookie is functional only, does not track users, and does not collect or store any personal data. It is not related to any third-party service or CDN. For cookie consent tools, it can be classified as a functional/necessary cookie.

-Regards.