4 free email subject line testers (rated)
Julie here:
If you're looking to improve the effectiveness of your email subject lines, you might consider using 1 or more of the 4 tools I regularly use. These testers are useful, free, and super fun!
Each tester rates your email subject line somewhat differently, so I like to get feedback and ideas from multiple tools.
I took the following fundraising appeal subject line and entered it into each of the 4 testers:
⏳ Do you have 1 minute to protect wildlife?
Here are the 4 subject line testers in action:
🚀 Mailmeteor Subject Line Tester: Your Personal Brainstorming Bot Buddy!
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This tool does two cool things. First, it gives you a score with an overview of areas for improvement.
Second, it has GPT-3 🤖 embedded into the form to give you 5 alternative email subject lines. I glance at each AI-generated suggestion for any new word choice or word arrangement that may sound better.
🚀 SendCheckIt Subject Line Tester: So Many Tips Here!
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This is definitely one of the most helpful subject line testing tools I’ve found. It rates so many areas — like 17-ish 😮 — such as grade level, scannability, length, sentiment, emojis, personalization, and punctuation.
It not only tells you WHAT could be improved but it also tells you WHY.
🚀 Coschedule Subject Line Tester: Graphics Galore!
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I like this tool because the results are presented in an info-graphics sort of way. It always seems to identify multiple areas of improvement — and even shows what your subject line will look like on multiple devices.
Plus: the tool cheers you along ("Hey, rock star" and "Getting c-l-o-s-e-r! “) which makes me smile big. 😄
🚀 SubjectLine Tester: My Favorite!
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This rating tool is gamified, which makes it both informative and fun! You get points added or subtracted based on elements that meet industry standards for effective email subject lines.
I enjoy tinkering with my subject line to get a higher score. I feel a huge accomplishment when I get extra credit points that push my score over 100! (😂)
While you're here...
Why not read a little more?
Here are a few more blog posts you might like:
1. Thank You for the "Mental Real Estate"
2. You Can't Feel "Empty Urgency"
3. X-ray of a Donor Newsletter -- "Know Your Bones"
4. You Can't Get Donors to FEEL It If You Don't Feel It First
5. What to Put in Your Donor Newsletter
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