Postback loss eats 3-7% of conversions you never see

Postback loss eats 3-7% of conversions you never see
Postback = the server-to-server signal that fires a conversion back to your tracker.
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Clean S2S postback match rate, median: 97% ▏▏▏▏▏▏▏▏▏
Pixel/browser-based match rate, median: 88% ▏▏▏▏▏▏▏▏
Gap attributable to blockers, redirects, lost params: 3–9% ▏▏▏▏
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Sample: 29 offers reconciled against network-side totals.
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A 6% silent postback loss reads identically to a 6% network shave on your dashboard.
Read: reconcile your tracker against network reports monthly before assuming foul play.