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What image specs should I follow?
Feed: 1080x1080 (1:1) or 1080x1350 (4:5). Stories/Reels: 1080x1920 (9:16). Keep text under 20% of the image for best delivery (no longer a hard limit, but still affects performance).
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Want the full playbook? Read Performance Max Playbook for 2026 — A practical guide to Performance Max setup, structure, audience signals, creative, bidding, and common mistakes across every Google channel.