uids Cookie

Vendor xandr admatic unknown
Type MARKETING
Expiration 120

What does the uids cookie do?

This cookie identifies unique users on the website. It collects various data points, including browsing history, navigation paths, and interactions with ads and promotions. uids This cookie contains a base 64 encoded JSON object which contains external unique randomly-generated values that enable other Prebid Server demand partners to distinguish browsers and mobile devices.

Why this cookie matters

This cookie is commonly used by xandr , admatic , unknown for marketing purposes – such as tracking usage behaviour, optimising experience, or enabling marketing functionality.

Because it's categorised as marketing, many jurisdictions require that users give explicit consent before it can be activated. If blocked or denied by the visitor, personalised ads or retargeting features may not function properly.

How Cookifi helps you manage this cookie

Cookifi automatically detects cookies like uids, categorises them, and gives you full control over when and how they load - based on your users' consent choices.

Whether you manage consent via Google Tag Manager, consent APIs (like the Shopify or WordPress Consent API), or prefer automatic cookie blocking or manual script control, Cookifi integrates seamlessly into your stack.

Built for technical marketers, business owners and developers, Cookifi offers flexibility without sacrificing compliance.