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Digital Marketing & SEO vocabulary · Email Marketing

Subject line

Meaning in digital marketing & SEO, with examples

nounCore term

In digital marketing & SEO, subject line means: The short line of text that recipients see in their inbox before opening an email; it strongly affects whether they open it.

In Turkish: konu satırı, e-posta konusu

How it is used

Email marketers write, test and personalize subject lines, and often A/B test two of them before the main send. The preheader is the short preview text shown after the subject line.

Example sentences

  1. The subject line 'Your cart misses you' got the highest open rate this year.

  2. Keep the subject line short; most of our readers open email on their phones.

Common collocations

  • write a subject line
  • test subject lines
  • personalized subject line
  • subject line and preheader
  • open rateThe percentage of delivered emails that recipients opened, used to judge how well a subject line and sender name work.
  • newsletterA regular email sent to a list of subscribers with news, articles, offers or updates from a brand, writer or organization.
  • A/B testingComparing two versions of a page, email or ad by showing each to a similar group of people and measuring which one performs better.
  • deliverabilityHow well emails reach recipients' inboxes instead of being blocked or sent to the spam folder.

This word in other fields

The same English word can have a different meaning in another field:

More terms: Email Marketing

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