Cookie database › Neustar

ab cookie

Marketing cookie set by Neustar, lasting 1 year.

Is ab firing on your site before anyone says yes?

Conzent holds ab and every other marketing cookie until the visitor accepts, and Consent Mode v2 keeps your Google Ads and GA4 reporting accurate. Registered IAB TCF CMP, Google-certified. From €7 per site a month.

Try it free for 14 days or self-host it for free

What the ab cookie does

This cookie is used by the website’s operator in context with multi-variate testing. This is a tool used to combine or change content on the website. This allows the website to find the best variation/edition of the site.

Who sets it

Consent category: marketing

Marketing cookies follow visitors across sites to build advertising profiles and to measure campaigns. They always require prior consent, and a consent banner has to block them until the visitor agrees.

Nameab
CategoryMarketing
Lifetime1 year
Set byNeustar

Is this cookie on your site?

Conzent's scanner lists every cookie your site sets, classifies each one the way this page does, and shows which are set before the visitor has consented. Try Conzent free for 14 days, or look up another cookie.

From the Conzent cookie database, last updated 2026-10-13. Descriptions come from vendor documentation, cookie policies and our own scans; write to support@getconzent.com to correct one.