Skip to content

Cookie banner and Google Consent Mode

If the website uses Google Analytics, Google Ads or Google Tag Manager, the visitor’s choice in the cookie dialog also needs to affect how Google tags are used.

Google Consent Mode is a straightforward way to create that connection.

The visitor makes a choice in the cookie banner. The cookie solution passes consent signals on to Google. Google tags can then adapt their behavior based on that choice.

This makes the setup more coherent than if each Google tag needs to be handled completely separately.

Simplified management of Google services

Without Google Consent Mode, the website owner needs to make sure that Google tags are loaded, blocked or adapted based on the visitor’s consent.

This can quickly become difficult to manage, especially if the website uses several Google services at the same time.

With Consent Mode, Google tags get a shared way to receive information about the visitor’s choice. Instead of handling each tag as its own special solution, consent can be sent as signals to Google’s tag platform.

This makes the implementation easier to understand, easier to test and easier to maintain. Google describes Consent Mode as a way to communicate the visitor’s consent status to Google, so that tags can adjust their behavior and respect the user’s choice.

Google tags can adapt to consent

An important benefit of Consent Mode is that Google tags can adapt their behavior based on the consent that has been given.

When the visitor gives consent, Google tags can work with the storage and measurement covered by that consent. When consent is missing or rejected, the tags can limit their behavior.

Google describes, for example, that relevant tags can adjust their behavior so that they do not read or write cookies for advertising or analytics when consent is missing. This can reduce gaps in measurement through modeling, without cookies being used in the same way as when consent has been given.

This is not the same thing as full measurement with cookies. It also does not replace the need for consent. But it can provide a more useful and controlled Google implementation than handling each tag separately.

The cookie banner needs to support the flow

Consent Mode works best when the cookie solution supports it.

The visitor’s choice in the cookie dialog can then be connected to the right consent signals for Google. When the visitor accepts, rejects or changes their choice, the signals can be updated without you needing to build the whole connection yourself.

This reduces the risk that the banner says one thing while the Google tags do something else.

A simpler cookie banner can still show a dialog and remember the visitor’s choice in the browser. But if it does not support Google Consent Mode, the connection to Google needs to be built, tested and maintained separately.

The consent signals need to come in the right order

Order is an important part of Google Consent Mode.

Google tags need to know which consent state applies when the page loads. That is why default consent values need to be set early. When the visitor makes a choice, the signals then need to be updated.

In Basic Consent Mode, Google tags are blocked until the visitor has made a choice in the cookie banner. In Advanced Consent Mode, Google tags can load with default values, and when consent is denied, the tags can send consent state and cookieless pings instead of full measurement data with cookies. Google also describes that full measurement data is only sent when the visitor gives consent.

This is one of the reasons why support in the cookie solution is valuable. It becomes easier to create a consistent flow from the cookie dialog to the Google tags.

The categories need to match the Google tags

The cookie banner’s categories need to reflect how Google tags are used.

If Google Analytics is used for statistics, it needs to be connected to consent for statistics. If Google Ads is used for marketing, it needs to be connected to consent for marketing.

It should not only look right in the dialog. The connection also needs to work technically.

Scripts that belong to functional cookies, statistics or marketing need to be conditioned against the right consent category. In the same way, Google Consent Mode needs to receive signals that reflect the visitor’s choice.

When a simpler banner becomes limited

A simpler cookie banner can be a good technical building block.

But if the website uses Google Analytics, Google Ads or Google Tag Manager, you need to check whether the banner actually supports Google Consent Mode.

If support is missing, developers need to handle:

  • when consent signals are set
  • how the signals are updated when the visitor changes their choice
  • how statistics and marketing are connected to the right signals
  • how Google Tag Manager and other Google tags should relate to consent

It is fully possible to build this yourself. But it makes the solution more dependent on your own implementation and ongoing control.

What should you check?

If you use Google services, you should check that the cookie solution can handle Google Consent Mode in a way that fits your implementation.

The most important things are that:

  • the visitor’s choice is passed on as consent signals
  • the signals are set early when the page loads
  • the signals are updated when the visitor changes their choice
  • statistics and marketing are connected to the right categories
  • Google Tag Manager and other Google tags follow the same consent flow

This is why support for Google Consent Mode can be an important difference between a simple cookie banner and a more complete cookie solution.

Summary

Google Consent Mode makes it easier to let the visitor’s consent control how Google services are used on the website.

When the cookie solution supports Consent Mode, the choice in the cookie dialog can be passed on to Google tags as consent signals. This creates a more coherent flow and makes it easier to handle Google Analytics, Google Ads and Google Tag Manager in a controlled way.

Consent Mode can also make the Google implementation more useful when consent is missing or rejected, because Google tags can in some cases adapt their behavior and use more limited signals instead of cookies. This is not the same thing as full measurement with cookies, but it can reduce gaps in measurement.

A cookie banner that does not support Google Consent Mode can still be a technical building block. But then the connection to Google needs to be built and controlled separately.

Do you need help reviewing your cookie banner?

CookieTractor helps you handle the cookie dialog, consent, cookie list, documentation and follow-up.

If you are unsure whether your current solution is enough for the requirements you need to consider in the EU or EEA, we can help you review how cookies, consent and scripts work on your website.

Feel free to contact us at info@cookietractor.com.