Model consent rates and the analytics data loss from a cookie banner.
Under opt-in regimes a substantial share of traffic is never measured, so reported conversions understate reality. The unattributed revenue figure is what makes the gap concrete for reporting purposes. Treating consented traffic as the whole picture leads to systematically wrong channel attribution, because consent rates differ by traffic source.
Cookie Consent
Tracked visitors = visitors × effective consent rate, which varies by regime
This models data loss only and is not legal advice. Cookie consent requirements vary by jurisdiction and change frequently; obtain qualified legal guidance on your specific obligations.
Tracked visitors = visitors × effective consent rate, which varies by regime Under opt-in regimes a substantial share of traffic is never measured, so reported conversions understate reality. The unattributed revenue figure is what makes the gap concrete for reporting purposes.
Treating consented traffic as the whole picture leads to systematically wrong channel attribution, because consent rates differ by traffic source.
This calculator takes 5 inputs: Monthly visitors, Consent rate, Regime, Conversion rate, Average order value. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.