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4 Best Types of Email Subject Lines that'll Guarantee a Click

Have you ever heard the saying: don’t judge a book by its cover? Well, forget it, as when it comes to emails, we can guarantee that people will judge your email by the subject line. 

While it may be only a small part of your message, it will determine if your email is opened, read, and clicked, not to mention, will create the first impression of your brand. 

So, want to stand out in a crowded inbox and increase your email open rates? 

Then, check out the top types of email subject lines that’ll skyrocket your clicks and open rates.

Curiosity-Provoking Subject Lines

There’s no better way than generating more clicks than by sparking your recipient’s curiosity. After all, we humans are curious beings. So, it’ll always benefit you to maintain some sense of mystery and pique the recipient’s natural curiosity. 

These types of subject lines require opening the email to receive the information, and therefore, result in a higher open rate. For example: 

  • Men vs. Women: Who’s more active online?
  • Here’s one of your audience’s major pain points! 
  • If you have a website, you NEED this tool.
  • Bizarre money habits making millennials rich
  • The reason no one comments on your blog posts.

Urgent Subject Lines 

Did you know that email subject lines that instill a sense of urgency can generate a 22% higher open rate? It makes sense if you consider the fact that 56% of people have a fear of missing out (FOMO). 

So, why not turn FOMO to your benefit? You can do this by setting deadlines and using words that generate more clicks. For example: 

  • Final Hours! Up to 40% Off Merchandise
  • 80% Off Sale Ends Tomorrow! Don’t miss out
  • ONLY 1 DAY LEFT to Secure Your Dates

These types of subject lines remind people of their limited time left and encourage them to act ASAP. Therefore, generating more clicks and traffic for your business. 

Some impactful words to consider that inject urgency into your subject lines are: 

Limited Time, Last Chance, Still Time, Quick, Fast, and Now. Essentially, any words that naturally express urgency are a good way to go. 

Subject Lines that Offer a Solution 

One of the key elements of a successful email marketing campaign is your ability to understand your audience inside and out. Essentially, this means understanding their needs, desires, and most importantly, pain points. 

And to do this, you must develop detailed buyer personas. With these in hand, you’ll not only be able to appeal to your recipient’s emotions when crafting your subject lines but also take the opportunity to compel them to open your email by presenting them with a solution to their problem. For example: 

  • Feed your guests without breaking the bank
  • Stop wasting resources, and save with us.
  • Since we can’t all win the lottery, here are some budgeting tips!
  • Why I gave up thousands of blog readers and started over
  • Your issues, solved. 

So, make sure that your email subject line tugs at a core desire, appeal to their wishes, and pique their interest. 

Personalized Subject Lines

At this point in time, we all understand how crucial personalization is to the business world - especially if you wish to beat the competition. In fact, personalized emails have 29% higher unique open rates and 41% more click-through rates. 

So, if you’re already taking the time to collect data on your potential customers to build buyer personas and more, why not take it a step further and use that data to personalize your email subject lines? It’ll demonstrate to your recipients that you understand them and their pain points, not to mention, will let your recipients know that the content you’re sending is highly relevant. 

Here are some examples: 

  • Mary, check out these hand-picked items for you
  • Happy Birthday, Paul. Open me to receive your discount
  • John, thanks for being a loyal customer
  • Hanna, are you free tomorrow to join our SEO webinar?
  • Harry, why not try another one of our soothing teas. 
  • Organize your day with our handy planner

Always remember, personalization takes many forms. You can add the recipient’s first name, including an interest, use transaction history to offer relevant information, remember their birthday, and use their location as different ways to boost your email open rates. 

Anything else you should consider? 

  • Optimize for mobile. As 56% of emails are now being read on mobile devices, it’s important to ensure that the recipient can read the entire subject line, and you can do this by sticking to 40 characters.
  • Ensure your email subject line falls in line with your branding. After all, the subject line is one of the first impressions the recipient gets of your brand, especially if you’re sending a cold email. So, you wouldn’t want to be sharing something that doesn’t match that.
  • A/B testing. Always remember that your email marketing campaigns are only as good as your data. Consider testing out different subject lines to determine which resonate best with your recipients and which generate the most clicks. 
  • Marketing Automation. Once you’ve nailed down your buyer personas, messaging, type of subject line, and content, it’s time to consider automating. Running email marketing campaigns will open the door to greater efficiency, cost reduction, and enhanced customer experience. 

Bonus Tip 1: Key Words to Include in Email Subject Lines

According to various studies conducted by Alchemy Worx, Adestr, and Smart Insights, which analyzed billions of emails, some of the most effective subject line keywords are:

Upgrade available Just new Content alert Go news

Wonderful update Promotional thanks

Congratulations golden Revision iPhone

Snapshot breaking Token order today

Voluntary monthly Deduction celebrate

Buy get your what…? won’t…?

Do…? Can…? may…? Great deals

Brand new latest Sale now

These reports are only the tip of the iceberg. There are many other great keywords that you can utilize in your emails to boost open rates. To find them, why not conduct keyword research or topic research to discover trending or relevant topics? Perform this on Google Trends, Google Keyword Planner, Buzzsumo, Ahrefs, and other tools of the sort.

Bonus Tip 2: What NOT to Do

We’ve talked about great ways to nail the subject line, so now, let’s mention a few things to avoid - as just like there are plenty of great ways to boost your click rates, there are plenty of mistakes you can make too. 

These mistakes can greatly impact your campaign results and lead to your brand becoming marked as spam. 

  • Avoid being marked as spam. Many things can trigger spam filters - even if your email isn’t actually spam. If you’re worried about your emails being marked as spam, then you can run a spam check, as well as avoid certain words and phrases
  • AVOID USING ALL CAPS. Naturally, you want the recipient’s first encounter with your brand to be a good experience. So, avoid using caps, as it comes across as shouting and often triggers spam filters.
  • Avoid using too much punctuation. For example: Get 40% off your next purchase RIGHT NOW!!!!!!!!! Once again, this can come across as spammy. Special characters such as * % & # ^ also have been known to trigger spam filters. So be sure to use them sparingly. 
  • Avoid not including a subject line. A bad subject line is always better than none. As most likely, an email with a blank subject line will get deleted or lost. 

There are many other great tips you can implement when crafting your email subject lines.

Want to know more about writing irresistible subject lines for your email marketing campaign? Contact us today to speak to one of our representatives about optimizing your campaigns. 

Topics: Email Marketing