In plain English
Calculated as clicks divided by delivered emails. Unlike opens, a click requires a deliberate action, which is why it remained reliable when open tracking did not.
It measures whether the email persuaded anyone to act. A high open rate with no clicks means the subject line worked and the email did not.
What to know
Why it matters
Click-through rate is now the most reliable engagement signal in email. It is also the basis for the suppression decisions that protect deliverability.
Common mistakes
FAQs
What is a good click-through rate?
Better than your own recent average for that type of email.
Total or unique clicks?
Unique clickers. Total clicks flatter emails with many links.
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