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Audience metrics measure how many people see your Meta ads and how often. Track reach, impressions, frequency, and cost efficiency of audience delivery.
Data Source: Meta Marketing API
Metrics: 4

Metrics in This Group

MetricDescriptionWhen to Use
Meta ImpressionsNumber of times ads were shownMeasure total ad exposure and scale
Meta ReachUnique people who saw your adsMeasure audience size and penetration
Meta FrequencyAverage times each person saw your adsDetect ad fatigue and optimize delivery
Meta CPMCost per 1,000 impressionsEvaluate delivery cost efficiency

How These Metrics Relate

  • Impressions counts every time your ad appears on screen
  • Reach counts unique individuals, regardless of how many times they saw it
  • Frequency = Impressions ÷ Reach — shows average views per person
  • CPM = Spend ÷ Impressions × 1,000 — measures delivery cost efficiency
High frequency can signal ad fatigue, while low CPM indicates efficient reach.

Choosing the Right Metric

  • Awareness campaigns: Use Impressions and Reach to measure visibility
  • Ad fatigue detection: Monitor Frequency—above 3-4 may indicate fatigue
  • Cost efficiency: Compare CPM across campaigns to find efficient delivery
  • Audience expansion: Track Reach growth to measure new audience acquisition