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Google's Google consent mode v2 is a crucial development for website owners, allowing them to adjust how Google tags are used based on users' consent regarding advertising and analytics cookies.
This update is especially relevant for those operating within the European Economic Area (EEA), requiring them to comply with European data protection standards, in particular the General Data Protection Regulation (GDPR) and the Digital Markets Act (DMA).
This article aims to explain Google consent mode v2 in detail, highlighting its improvements compared to the previous version, the impact on users and website managers, as well as the essential steps to integrate this new feature into your site. If you use Google services such as Google Ads, Google Analytics, or Google Tag Manager, this read is highly recommended!
What's new with consent mode v2
Google's consent mode v2 brings notable innovations with the introduction of two parameters within the API: ad_user_data and ad_personalization. These additions give websites the ability to manage user consent regarding the sending of data to Google for advertising purposes, as well as for ad personalization.
These new parameters are added to the existing ones, namely analytics_storage and ad_storage, which already govern consent for storing cookies related to analytics and advertising.
Thanks to consent mode v2, websites can now collect more detailed consent. In other words, users can explicitly specify the types of data collected and how they are used. This approach meets the requirements of the GDPR, which calls for consent that is freely given, informed, specific and unambiguous for the processing of personal data.
Rationale and objectives behind the update
The update to Google's consent mode v2 comes as a response to the requirements of the new European regulation on digital markets (the DMA), which will take effect and be enforced starting in March 2024. The DMA, overseen by the European Commission, aims for greater protection of user data and ensures fair competition in the digital space.
It requires advertising platforms such as Google to effectively manage user consent. As a result, Google must ensure that sites using its services comply with the consent obligations for users in the European Economic Area (EEA), refraining from using advertising or analytics cookies without users' prior agreement.
The main goal of consent mode v2 is to allow website advertisers to adjust the behavior of Google tags in line with user consent, while preserving the ability to measure and optimize advertising campaigns.
In addition, this update introduces the option to enable advanced mode (advanced consent mode), which supports ad personalization based on consent signals, without relying on the use of cookies.
The impact of consent mode v2 on users and webmasters
On data collection and processing
Google's consent mode v2 significantly influences how user data is collected and processed by services such as Google Analytics and Google Ads. Depending on user consent, websites can adjust the settings of these services to restrict or allow the sending, storage and use of data for advertising and analytics purposes.
For example, if a user does not give their agreement to send their data to Google, the website can set the ad_user_data parameter to false, which blocks the transmission of this information by Google tags. Likewise, refusing ad personalization leads to setting the ad_personalization parameter to false, thereby disabling cookie-based ad personalization.
This approach allows sites to respect users' privacy and preferences while preserving the ability to measure and optimize ads. Thanks to consent mode v2, a modeling system is used to estimate conversions and ad effectiveness, even without cookies.
This system, which is based on accepted data and consent signals, helps offset the loss of data and conversions caused by cookie refusal, thereby helping to maintain an overall view of audiences and performance.
On compliance with data protection regulations
Google's consent mode v2 makes it easier for websites to comply with the data protection regulations in force in the EEA, such as the GDPR and the DMA. These regulations require collecting consent that is freely given, informed, specific and unambiguous from users for the processing of their personal data, and transmitting this consent to the advertising platforms used.
Consent mode v2 offers the ability to collect more granular consent, clearly distinguishing the different categories of data collected and how they are used. As a result, users can agree to certain uses while refusing others, with these choices then communicated to Google so it can adapt the behavior of its tags accordingly.
In addition, this mode prepares websites for the phasing out of third-party cookies in Google Chrome, planned for the second half of 2024. Consent mode v2 introduces advanced mode (advanced consent mode), which enables ad personalization based on consent signals, without relying on cookies.
It relies on anonymous and aggregated identifiers, which are not considered personal data, to target users according to their interests, location or behaviors. This ensures that ad personalization can continue while protecting users' privacy.
Preparing to adopt consent mode v2
Steps to follow for the update to v2
To switch to Google's consent mode v2, make sure you follow the steps below:
- Make sure your site uses gtag.js or Google Tag Manager, which are essential for compatibility with consent mode v2.
- Select a consent management platform (CMP) approved by Google, which is essential for collecting and transmitting user consent.
- Decide on the consent mode best suited to your needs: advanced mode, which sends anonymous information for in-depth data analysis, or basic mode, which holds back all Google tags until users give their agreement.
- Configure the consent mode v2 settings via gtag.js or Google Tag Manager, adding the new ad_user_data and ad_personalization variables to the previous ones.
- Test the effectiveness of consent mode v2 on your site to make sure that Google tags align with the consent given and that data collection and optimization are ensured.
Tips for a smooth transition
For a successful migration to Google's consent mode v2, here are a few recommendations:
- The transition to Google Consent Mode v2 can become a real headache for companies that don't know where to start. Anticipate the update and prepare your site and your advertising campaigns in advance. Although consent mode v2 becomes mandatory on March 6, 2024, it is wise to adopt it as early as possible to prevent any drop in performance.
- Communicate openly and honestly with your users about how their data is used for advertising and analytics purposes. Highlight the benefits, such as a better user experience and more targeted ads, of giving their consent.
- Optimize your consent banner to encourage a high acceptance rate. Use an inviting design, positive and simple wording, while offering detailed and customized consent options.
- Analyze the impact of moving to consent mode v2 on your data and conversions. Assess performance before and after the update, and adjust your marketing strategies based on the information gathered.
Key takeaways
Google's Consent Mode v2 is a crucial tool that allows websites to adjust the activity of Google tags based on users' agreement regarding advertising and analytics cookies. This adaptation has become a necessity for sites targeting the audience of the European Economic Area (EEA), in order to comply with the requirements of European data protection regulations such as the GDPR and the DMA.
Thanks to Google's Consent Mode v2, sites can now collect more precise consent, maintain the effectiveness of measurement and optimize advertising campaigns, all while preparing for the gradual removal of third-party cookies in Google Chrome.
If you use Google services such as Google Ads, Google Analytics or Google Tag Manager, it is crucial to adopt Consent Mode v2.
To do this, you will need to select a consent management platform approved by Google, determine the ideal consent mode, adjust the Consent Mode v2 configurations in your tags, test its implementation on your site, and optimize your consent banner to maximize the acceptance rate.
By taking these steps, you will ensure that your users' preferences are respected while benefiting from the advantages of ad personalization.
FAQ
What is Google consent mode?
Google consent mode is a feature that allows websites to adjust the behavior of their Google tags based on users' consent regarding cookies or app identifiers. This approach honors users' choices by sending anonymous signals to Google, in order to make up for data gaps.
How should you set up enhanced conversion tracking for the web?
To set up enhanced conversion tracking on the web, you can choose between several tools: the Google tag, Google Tag Manager, or the Google Ads API. It is essential to select the conversion action you want to measure, such as a sale or a sign-up, and then integrate the tracking code on your website or app.
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