01 Definition

Open Rate meaning: The percentage of delivered emails recorded as opened.

Open rate compares tracked opens with delivered email. It relies on a tracking pixel and can be inflated or hidden by privacy features and image handling.

Also called

email opens

Why it matters

How Open Rate fits the work

It remains a directional signal for subject line and sender recognition but is not a reliable outcome by itself.

In context

The newsletter open rate increased after the sender name became more recognizable.

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Practical note

Pair opens with clicks conversions replies and downstream behavior.