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My Facebook campaign dashboard shows more purchases than I can find in GA4 for the same dates. I know the two platforms may count conversions differently, but the gap is large enough that I’m unsure which number to use when judging the campaign.
How do you usually investigate a mismatch like this? I’m especially curious about the effects of attribution windows, consent settings, and duplicate purchase events. What should I check first when comparing Ads Manager conversion reporting with GA4?
