What is a Subject Line?

The headline of an email that influences whether it is opened.

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Understanding Subject Line

Subject lines are the short text lines that appear in the inbox and determine whether a recipient opens an email. Strong subject lines are specific, relevant, and aligned with the email content.

Testing subject lines regularly improves open rates and overall email performance.

Frequently Asked Questions

What is a Subject Line?

The headline of an email that influences whether it is opened.

Subject lines are the short text lines that appear in the inbox and determine whether a recipient opens an email. Strong subject lines are specific, relevant, and aligned with the email content.

Why is Subject Line important?

Subject lines are the primary driver of open rate. Small improvements can compound across large lists.

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