This question is about email subject line statistics.

What percentage of emails are opened based on the subject line?

By Zippia Team - Dec. 7, 2022

47% of email recipients will open an email based on the subject line alone. That's why testing and tailoring email subject lines are so important because you stand to gain or lose engagement from half of your contacts.

In fact, a bad subject line can cost you dearly, as 69% of email recipients will report spam based on the subject line as well.

Overall, it's vital to focus on your subject line. Research keywords and emojis, and different test lengths, phrases, and formatting.

What percentage of emails are opened based on the subject line?

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