Instagram Fixes Reels Ad Delivery for Longer Creatives
Meta adjusted Reels ad delivery for longer creative — watch-time was over-weighted, so completion-optimised content started winning.
July 2025 Meta rebalanced Reels ad delivery so longer creatives weren't always rewarded purely for dwell time — a correction to weighting that favored watch-time over genuine attention.
What you need to know
The update in four points:
- Delivery re-weighted toward completion and action over raw watch-time
- Longer creatives must earn their length, or lose delivery
- Short, hooky Reels ads regain competitiveness
- Creative-tested by format, not transplanted
What this means for advertisers
When dwell was king, 30-second slow-burners overdelivered on time and underdelivered on results. The correction reopens the gap for punchy, offer-led Reels creative — the bread and butter of local performance work.
Next step
Re-test short-versus-long formats in every active pixel: fix 6–15 second variants against 30–60 second ones and let delivery data, not preference, pick the winner.
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