You already know what Consent Mode is. This element is especially important when using Google Ads.
Attention
Failure to implement consent mode may result in reduced ad effectiveness or even blocking them by the Google Ads system!
You have probably already seen the following information in your Google Ads administration panel:
“Implement consent for ads personalization – You are not providing EEA end-user consent signals required for ad personalization features. Take action before March, 2024 or your camping performance will be impacted.”
In other words, failure to implement consent mode may result in reduced ad effectiveness or even their blocking by the Google Ads system.
The notification, translated into Polish, reads as follows: "Implement consent for ad personalization – you are not providing the required consent signals for ad personalization features for end users. Action is required before March 2024, otherwise your campaign performance will be impacted."
When a user clicks on an ad leading to your website, they are immediately presented with a banner asking them to accept cookie settings.
- If they accept marketing cookie consent, the conversion is recorded in Google Ads.
- If the user does not consent to the installation of marketing cookies, conversion modeling occurs. The system records the lack of consent and forwards this information to the Ads database.
Both types of information are counted as part of the conversion.

Do you meet the prerequisites for implementing Google Consent Mode?
To implement Consent Mode in Google Ads, you must meet the prerequisites. These include:
GA4 Consent Mode and Conversion Modeling
Google tools make it possible to build a conversion model based solely on data from users who consent to additional cookies and scripts from third parties, or from all users – regardless of their decision.
This is the fundamental difference between advanced and basic configuration.
- The basic configuration only considers data from consenting users. A certain number of clicks are required to activate the modeling. As a result, it is less precise.
- The advanced configuration includes data from all users, regardless of the consent they click. This allows for more precise modeling. It is active without restrictions. This modeling option using GTM Consent Mode is fully compliant with legal regulations.