Definition
What it means.
Aggregated Event Measurement (AEM) is Meta’s approach to measuring ad-related conversion events when privacy restrictions limit available user-level data. Web and app measurement have different requirements. Implementation work should follow Meta’s current guidance for the relevant campaign and
Worked example
In practice.
A team compares Meta’s iOS conversion reporting with its own purchase records. Before interpreting a gap, it checks the event definitions, attribution windows, reporting delays, and measurement setup. It treats the reports as different measurement views rather than assuming that one prioritized event explains
Where this work happens:
Put it in context.
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