Why Your Google Ads Conversions Drop After Adding a Cookie Banner
You added a cookie banner to follow the law. A week later, your Google Ads conversions fell. Many owners hit this and think the setup is broken. It is not. Let us walk through what really happens and how to fix it. First, the cause. A cookie banner lets users say yes or no to cookies. When a user says no, Google tags cannot write cookies for that person. So Google cannot track the sale the normal way. Your reports show fewer conversions, even though your real sales did not change. The drop is a tracking gap, not a sales problem. Now, the fix. Google Consent Mode reads the choice from your banner and passes it to Google. It does not show the banner itself. It tells Google what each visitor allowed. This lets Google act on the choice instead of losing the data. There are two ways to run it. Basic consent mode blocks Google tags until the user clicks the banner. If the user says no, no data is sent. Advanced consent mode loads the tags with consent set to denied by default. While...