Sovrn Consent Management Platform FAQ

Last Updated May 23, 2019

In order to legally collect the data of your site’s readers, it’s essential to create a Consent Management Platform, or a CMP. To learn how to setup your Sovrn CMP, please click here.

What are the advantages of the Sovrn CMP?

For one, it’s free! Any Sovrn customer who has signed our agreement and has a Meridian account can use our CMP. It’s easy to implement, and we’ll continue to build features that enable you to customize the setup according to your needs.

Can I use the Sovrn CMP if I’m not a Sovrn Publisher? 

Our CMP is only available to Sovrn publishers. If you’d like to become a Sovrn publisher you can sign up on the Meridian Platform.

Does the Sovrn CMP give consent for all of my partners, or just for Sovrn?

The Sovrn CMP is built off of the IAB framework and allows you to customize the partners you list within the CMP. Any company that is registered as an IAB Vendor can be pulled into our CMP.

Can I get consent for my first party data on my site?

Our CMP does not currently support gathering consent for vendors that aren’t part of the IAB Vendor list. 

Do I need to update my Header Bidding wrapper or make any other changes to pass the consent string?

Yes, you need to be on Prebid version 1.0 or higher to enable the consent string to be passed. If you use our adaptor through open source Prebid or any other wrapper, it needs to be updated to 1.10 or higher.

If you use the Header Complete product by Sovrn, we’re upgrading and have you covered! In addition, your code needs to be updated to look for the CMP. Reach out to to have that setup.

Will my page load behind the CMP?

Yes, all objects will load on your page behind the CMP. This includes ad tags. For this reason, it is important to configure your Meridian account settings to serve dataless ads to EU readers until consent has been obtained via the CMP.

What about latency, will the CMP slow down my page load?

No, we load the CMP asynchronously and it won’t interfere with any other elements of your page that need to load.

Is the CMP responsive to different devices? Does it work on apps?

The CMP is responsive and will work on the mobile web, but it won’t work with apps.

I want to use the Sovrn CMP. How do I set it up?

Click here to read the full Sovrn CMP Implementation Guide.

Our CMP is deployed via OneTag, the unified delivery tool we use for many of our products. If you have access to OneTag, you can create a new content in your existing containers, just select “Consent Management Platform” from the drop-down and follow the instructions.

If you don’t have OneTag enabled on your Meridian account, reach out to and we’ll help you out.

What is a daisybit?

The Daisybit is information compressed into a binary value and passed throughout the online advertising ecosystem. The compressed information is referred to as the Consent String that is established through the CMP.

What is a stub?

The Stub serves as a failsafe, in case the CMP is not reachable.

Reach out to to have the CMP feature turned on in Meridian, and read our Implementation Guide to get the Sovrn CMP implemented on your site!

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