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Measurement

Fill rate

Impressions divided by requests. What share of the inventory actually served an ad.

Fill rate is a summary, not a diagnosis. Two placements at 40% can be failing for opposite reasons. Read it next to the no-fill breakdown.

10,000 requests2,000 blocked8,000 passed rules2,500 no bid5,500 got a bid1,500 under floor4,000 rendered
Fill rate is the bottom of the funnel over the top. Two placements at the same rate can be failing for different reasons.
PreviouseCPMNextFloor price