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Platforms · Policy · AppleGlobalOct 12, 2026

Safari tracker block: eCPMs down 10.5% on updated devices, says Aditude.

A recent Safari update blocked several large cross-site tracking vendors without warning, The Trade Desk's ad server among them. Aditude sees eCPMs down 10.5% on the new version, though only about 8% of users have upgraded so far.

Why it matters

Q4 is peak revenue season, and losses grow as more iPhones update.

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