Test Two Banner Versions and Let the Winner Run Automatically

You can now run A/B tests on your cookie banner to see which visual version performs best — and let the data decide the winner for you.

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• Test what matters: Compare two visual versions of your banner (layout, position, colors, custom icon, border radius, and more). Behavior, regions, and content stay identical, so you're testing design only.
• Pick your winning metric: Choose what defines success — interaction rate, acceptance rate, or rejection rate.
• We suggest a challenger: Version 1 is always your current banner. We automatically pair it with a different banner type to test against, so you can start quickly.
• Live results in Analytics: A brand-new A/B Testing tab shows your live split, the current leader, and what you're testing at any time.
• Full transparency in consent records: Every test logs the variant shown, the source, and the user's choice — just like your standard consent data.
• A winner always continues: When the test ends (typically 2 weeks from the start date), we email you the winning version along with its confidence level, then automatically switch your banner to it.

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⚠️ Important: Just like TCF, settings lock once a test starts — you won't be able to edit the banner for the test duration. You can stop the test early at any time, in which case your banner defaults back to Version 1 (your current banner).

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Find it under your Cookie Banner settings, and view performance in Analytics > A/B Testing.