FewCookies

Cookie glossary · Marketing

What is the icu cookie?

Xandr cookie that records how many ads a user has seen for frequency capping. It is set by Xandr (AppNexus) and classified as "Marketing". Requires consent.

At a glance

Provider Xandr (AppNexus)
Category Marketing
Consent required? Yes
Typical domain .adnxs.com

How FewCookies handles this cookie

FewCookies recognises icu from our database of 1,300+ known cookies and classifies it automatically as "Marketing". The free check tells you whether this cookie is detected on your site and whether your banner handles it correctly — an instant, surface-level check, no account needed.

Check your site for free →

Frequently asked questions

Do you need consent for the icu cookie?

Yes. icu is a "Marketing" cookie, so it is not strictly necessary. Under the ePrivacy Directive (2002/58/EC) and Romania's Law 506/2004, you must obtain the visitor's explicit consent before setting it.

What does the icu cookie do?

Xandr cookie that records how many ads a user has seen for frequency capping.

Who sets the icu cookie?

The icu cookie is associated with Xandr (AppNexus) and is classified as marketing.