What the SyncRTB cookie does
Keeps list of DSP pixel Id's PubMatic synced with so far. PubMatic does userId sync up with DSP's. This cookie holds next sync up time for every pixel. Helps to maintain sync up frequency at DSP level.
The name ends in a part that changes from visitor to visitor or site to site, so this entry covers every cookie whose name starts with SyncRTB.
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.
| Name | SyncRTB |
|---|---|
| Category | Marketing |
| Lifetime | 90 days |
| Set by | PubMatic |
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From the Conzent cookie database, last updated 2026-09-27. Descriptions come from vendor documentation, cookie policies and our own scans; write to support@getconzent.com to correct one.