Is it necessary to remove a pre-existing cookie banner after implementing a CMP?
Policy on Concurrent Banner Usage
No, it is not necessary to keep a "classic" cookie banner once a Consent Management Platform (CMP) is active.
In fact, we strongly recommend removing the old cookie banner. The concurrent operation of both banners can lead to technical conflicts and a negative user experience.
Key Considerations
Technical Conflicts: The presence of two active banners can create interoperability issues, particularly with the PREBID system's ability to correctly detect and process the user's consent signal.
User Experience: Displaying multiple, redundant pop-ups creates an intrusive and confusing experience for the visitor.
Functional Redundancy: A CMP is a more complete and legally compliant tool. While a classic banner may only inform users, a CMP is designed to collect, manage, and process that consent for advertising purposes, thereby making the old banner obsolete.
Recommendation: Our official guidance is to use the CMP as the sole solution and to fully remove any pre-existing cookie banners. This ensures technical stability and the best possible user experience.
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