Email Testing: Subject line increases opens 12.7% … here’s why we’ll never use it again
The purpose of a subject line is to get an open. However, the purpose of a subject line is not only to get an open. In our recent subject line contest, there were some curious submissions that made me think this blog post was necessary:
- Mom told me to wear clean underwear in case I was in an accident. I wish she had told me about this too …
- A priest, a rabbi and a MECLABS LPO expert walk into a bar in Denver …
- RE: The video showed a bald man. Why?
- 1 Thing You MUST Do in Denver Before You Die
- Want to find the end of a rainbow AND the pot of gold?
- Denver Flight #ME430 [Confirm your seat]
- Open &; Enjoy Real Bacon Smell…
- This is your brain on email.
- What the #@*? What should you test next?
I know some of these are likely meant as jokes, but if the amount of misleading subject lines that fill my own inbox every day is any indication, many of them are probably serious.
The road to unsubscribes is paved by good intentions
And I don’t mean to pick on our contest entrants. If fact, I’m going to show you a subject line test I ran making this same mistake later in this post. Even in the blog post, “Announcing the Winner of the Email Subject Line Copywriting Contest!” by Sonia Simone, CMO, Copyblogger Media, she discusses how I pushed back on one of her selections because I was worried it was misleading …
For example, we really liked the header “Testing — does this link work for you?” (We defined that one as a Curiosity headline.) But MECLABS had some concerns that the element of trickery would annoy their subscribers and lead to unsubscribes … definitely not the result we were after.
So why do we, as marketers, come up with these misleading subject lines? Well, I think our intentions are in the correct place: We’re simply looking to stand out in a crowded marketplace. However …
Categories: Email Marketing Email Marketing, email testing, subject line test







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