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Email Metrics That Matter After Open-Rate Changes

14 August 2026 · 6 min read

Email Metrics That Matter After Open-Rate Changes

Opens are now unreliable. Measure clicks, replies and revenue per recipient instead.

Privacy features inflate opens, so use them as a rough trend at best.

Click-through, reply rate and revenue per recipient tell you whether the content earned attention.

Watch unsubscribes and spam complaints closely — they are the earliest warning that frequency or relevance is wrong.

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