Refine: The free Subject Line Tester from Moosend

Get free, concrete subject line suggestions by our ever-advancing algorithm;
it is learning every second, through thousands of campaigns at a time!

Your Open Rate

44.6 Above Industry’s Average

Your Score

Industry′s Average

Our foolproof drag-and-drop editor empowers you to confidently create gorgeous newsletters that will look great on any device. No need to be Picasso, here!

Suggestions To Improve Your Open Rate

Increase the estimation by

Add a splash of color with an emoji

Grow your open rate with an emoji! You can go for any emoji that semantically matches you subject line. Alternatively, for your industry, we suggest using this:

Subject Line Suggestions

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Make your message crazy relevant with personalisation

You know, all the Joes and Janes in your list would really like that! Tamara’s and Blue Ivy’s would love the personalisation more! It’s one thing to see a hard-selling mass subject line and another to see your name carved there!

Subject Line Suggestions

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Get higher open rates with a segmented list

Know thy customers! Segment your list and craft a message that resonates with that very specific audience within your audience! You could get crazy accurate by using our segmentation filters. Here’s a few examples:

Subject Line Suggestions
  • We know you love sneakers!
  • Look at these earrings - just in!
  • Planning another trip to London?

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Optimize your character count

Your subject line length is your subject line strength! Try a shorter subject line to improve readability! What could you take out? Here’s an example:

Subject Line Suggestions
  • This is huge.

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Optimize your character count

Your subject line length is your subject line strength! Try a longer subject line to spruce up excitement! This could be one way to go about it:

Subject Line Suggestions
  • Rihanna, Jay-Z, Beyonce, and Kanye albums on sale until midnight tonight!

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Change currency to a percentage

Use a percentage to help your audience quantify the benefit! Check out our examples below and craft your subject line accordingly:

Subject Line Suggestions

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Change percentage to a currency

Give your audience a more realistic account of what they are gaining - show them their benefit by using a currency!

Subject Line Suggestions

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From “Wow!” to “Wow?”

It might seem counterintuitive, but adding a question mark will make your subject line appear more personable and chatty!

Subject Line Suggestions

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Use the universal symbol of surprise, attention, and excitement!

Barter that question mark in your subject line for an exclamation mark! Your subject line will be oozing enthusiasm!

Subject Line Suggestions

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Use a brand name to catch your users’ eyes

Occasionally, you have to do some name-dropping to get some attention. Go ahead, then!

Subject Line Suggestions
  • Nike just launched a massive sale!

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Try a specific date or date range instead of a season

If you have a date, be open about it! Let your subscribers plan in advance and they will appreciate this, both in the short term and in the long term:

Subject Line Suggestions
  • Why wait for 14/2 when you can shop Valentine now?
  • Go for our 15/12-25/12 Christmas sale items right now!

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Fine-tune the duration of your offering

Work up the excitement across your audience! Create a sense of urgency by appealing to the hard-wired fear of scarcity!

Subject Line Suggestions
  • Sale ends tonight!
  • Three days to go - enjoy free shipping!

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You might want to switch hours to days, there

You know what would work best? Focusing on the days your subscribers have left to grab the offer!

Subject Line Suggestions
  • Only two days to go to shop half price!
  • Two-day sale ends tonight!

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Convert days to hours to get higher rates!

Watch your sales grow instantly; write the number of hours left for your subscribers to claim the offer from you or make a purchase while stock lasts. They’ll thank you for this email!

Subject Line Suggestions
  • Only 48 hours left to order half price!
  • In three hours all of this will be history!

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Name the season rather than the date

Your subject line could elicit impatience and excitement through the use of seasons! This trick should have them on the edge of their seats!

Subject Line Suggestions
  • We’re launching this gorgeous collection in autumn!
  • Everyone will be on to this trend in spring!
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