How to Write Subject Lines That Stand Out and Get Your Emails Opened

As a small business owner, you know that sending out regular emails to your subscribers is a great way to stay in touch with your audience and promote your products or services. However, with so many emails flooding your subscribers’ inboxes every day, it can be difficult to make yours stand out. 

That’s where the subject line comes in.

A great subject line can mean the difference between your email being opened and read or being ignored and deleted. 

Here are some tips and best practices for writing engaging subject lines that will grab your subscribers’ attention.

How to write subject lines that grab your readers’ attention

1. Keep the subject line short and sweet

Your subject line should be short and to the point. Aim for 50 characters or less. This ensures that your subject line will be fully visible on all devices.

“Email subject lines will get cut off if they’re too long, particularly on mobile devices. And with up to 46% of email opens taking place on mobile, we recommend using subject lines with fewer than 50 characters to make sure the people scanning your emails read the entire message.” [Source]

2. Ask a question

Asking a question in your subject line can pique your subscriber’s curiosity and encourage them to open your email. For example, “Are you making these common marketing mistakes?” or “How to increase the click rate of your emails?”

3. Personalize your subject line

Use your subscriber’s name in the subject line to create a more personal connection. This will make your email stand out and increase the chances of it being opened. But don’t just stop there. If you use custom fields on your Flodesk opt-in forms, you can dynamically add any of those fields to your emails!

“Everyone loves the sound of their own name. Plus, it increases click-through rate: Research has shown that emails that included the recipient’s first name in their subject line had higher click-through rates than emails that did not.” [Source]

4. Use emojis in your subject line

Emojis add a fun and playful element to your subject line, making it stand out in a sea of plain text. Just make sure not to overdo it.

5. Use action-oriented language

Use verbs and action-oriented language to create a sense of urgency and encourage your subscribers to take action. For example, “Boost your email marketing productivity” or “Open for some pawsome email marketing tips.”

“Subject lines that begin with action verbs tend to be a lot more enticing, and your emails could be drastically more clickable by adding a vibrant verb at the beginning.” [Source]

6. Test and analyze

While the above tips are a great place to start, don’t be afraid to test different subject lines to see what works best for your audience. Regularly check the “Performance by email” table in your account-level Email analytics dashboard in Flodesk to review your open rates and adjust accordingly.


By using these tips, you can write engaging subject lines that will grab your subscribers’ attention and increase your open rates. Remember, your subject line is the first impression your subscribers will have of your email, so make it count!

Most people spend countless hours reading blog posts or watching YouTube tutorials when struggling with their workflows or opt-in forms.

But there’s a better and more efficient way to get help.

I offer custom 1:1 Flodesk training sessions, answering all your questions and showing you how to do things in Flodesk. So you can confidently work on your email marketing and grow your email list.

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