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The potential improvement to your Attributed Conversion Rate if a specific match key is fixed.

Formula

Match Key Potential ACR = Estimated ACR Percentage gain from improving coverage or quality of a specific match key (email, phone, etc.)

Formula Components

MetricDefinition
Match Key CoverageCurrent coverage percentage for the specific identifier
ACR PercentageCurrent attributed conversion rate to improve
Metadata
TypePercentage
Data SourceMeta Ads
AggregationAverage

Example

Your store has a 2.4% potential ACR gain from fixing the phone match key:
Match KeyCurrent CoveragePotential ACR Gain
Email92%0.3%
Phone45%2.4%
External ID78%0.8%
First Name88%0.2%
Improving phone coverage would have the highest impact on your attributed conversion rate.

How It Works

Meta estimates how much your Attributed Conversion Rate would improve if you increase coverage or fix quality issues for each match key. This helps you prioritize which customer identifiers to focus on first for maximum attribution improvement.

When to Use

ScenarioAction
Prioritizing data quality fixesFocus on match keys with highest potential ACR gain
Low attributed conversionsIdentify which match keys are limiting attribution
Planning pixel improvementsTarget specific identifiers for better coverage
Comparing fix impactEvaluate ROI of different data collection efforts

MetricRelationship
ACR PercentageYour current attributed conversion rate this metric could improve
Match Key CoverageCoverage level that affects this potential gain
EMQ ScoreOverall quality score affected by match key improvements
See all EMQ metrics →