Paid Ads

Consent Mode

Consent Mode adapts how measurement tags behave based on user consent choices (for example analytics vs ads storage).

Written by MetricKit EditorialReviewed by MetricKit Editorial ReviewUpdated 2026-01-24
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Definition

Consent Mode adapts how measurement tags behave based on user consent choices (for example analytics vs ads storage).

Example

If a user declines ads storage, ad tags run in a restricted mode and conversions may be modeled.

How to use it

  • Implement it with a clear consent banner and store choices consistently.
  • Expect modeled conversions to differ from direct measurements; reconcile with blended metrics.
  • Keep consent status synced across analytics and ad platforms.

Common mistakes

  • Firing tags before consent and trying to fix it later.
  • Assuming modeled conversions are the same as observed conversions.

Measured as

Measure Consent Mode with a fixed attribution window, conversion event, and spend basis before comparing campaigns or creative tests.

Misused when

  • Firing tags before consent and trying to fix it later.
  • Assuming modeled conversions are the same as observed conversions.

Operator takeaway

  • Implement it with a clear consent banner and store choices consistently.
  • Expect modeled conversions to differ from direct measurements; reconcile with blended metrics.
  • Keep consent status synced across analytics and ad platforms.
  • Use Consent Mode only inside a stable attribution rule, conversion definition, and time window so campaign comparisons stay honest.
  • If performance changes, check whether the metric moved for a real business reason or because the measurement setup changed underneath you.

Next decision

  • Read UTM + GA4 attribution: practical tracking for paid ads (without lying to yourself) if the decision depends on interpretation, policy, or trade-offs beyond the raw formula.
  • Decide which report owns Consent Mode before comparing campaigns, channels, or creative tests.

Where to use this on MetricKit

Guides