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What is the Importance of a Great Email Subject Line for Marketing?

What is the Importance of a Great Email Subject Line for Marketing?

Admin 23-11-2020

For many businesses, big and small, email marketing is one of the most popular methods to market their business online. It is also a great way to reach consumers that are genuinely interested in what your brand offers.

In one of our previous blogswe discussed how email marketing can be helpful for the growth of your business and how you can get the most out of your email marketing campaign. However, there is one thing that we need to add to it, the importance of subject lines for your emails.

Importance of subject lines

Imagine you are buying a book, and you see a title that interests you, so you pick up that book and check out what is the storyline of that book. Would you have done the same if it had been a book with a boring title? You wouldn’t, right?

Similarly, when your consumers find the subject line of your email interesting, only then will they open the newsletter or marketing email. If your subject line fails to create interest, then chances are your email will end up straight into the trash, or worse, it will be marked as spam by your consumers. About 69% of email users mark email spam just by reading the subject line. Once the email is deleted without opening it, the message inside is rendered ineffective no matter how amazing it is written.

So, marketers need to write an exciting email subject line that will compel your consumers to open that email and read the content inside. Read ahead to know exactly how you can do it to increase your email open rate and click-throughs.

Improving email subject lines

Better subject lines increase the chances of consumers opening your email. In fact, as much as 33% of users open emails with catchy subject lines and that is a huge number. So, how would you improve your email subject lines to increase the open rate of your emails?

A/B Testing

One of the best ways to check if your subject lines are effective enough or not is to do A/B testing. Use this method to compare different subject lines based on several variables that you can change based on the ones that work the best.

These variables can be the length of the subject line, personalization, use of emoticons, use of questions, and similar others. Accordingly, you can measure the effectiveness of your subject lines based on metrics such as the number of people who opened your email, the number of people who clicked through, or the number of people who unsubscribed.

Understand your target audience

Knowing who your target audience is necessary to be able to convey your message more aptly. You need to know what your audiences look for in your brand and how they perceive it.

Moreover, it will also help you know the kind of vocabulary your target audience uses. You can use these words to sound more familiar to your consumers. This will ultimately increase your opening rates.

You can get to know your consumers with the help of a simple open-ended survey (longer, explanative answers) where they can answer your questions in their language. Or, if it is possible, you can conduct a face-to-face interview with them.

Segregate your audience

Similar to how you would separate your audience into different email lists, your subject lines should also target your audiences following their interests.

Not all your audiences will be convinced by the same subject line. So, you should write different subject lines that would appeal to separate groups of consumers to open your emails.

This way, you can increase your open rate by almost 14.31%. So, even if you have an email that you want to send to all your consumers, make sure that you craft a subject line according to what they would want to know from that email.

Avoid misleading subject lines

Your subject line should reflect the content of your email. It should not be something in the subject while something entirely different in the content. This can very well lead your consumers to unsubscribe from your list, or worse, report your email as spam.

Instead, write clear and straight-forward subject lines that will allow your consumers to know what to expect in the email. Subject lines that are clear and straight-forward have an opening rate of a whopping 60-87%. So, be sure that your email subject lines are clear enough to help your consumers get what they want, a clear message from the brand they subscribed to instead of a flowery subject line.

Make it mobile-friendly

With the increase in internet consumption through smartphones, more than 46% of email recipients check their emails from their mobiles. Accordingly, you have to edit your subject lines to fit into that palm-sized display.

Mobile screens hardly allow 25-30 characters for email subject lines. So, try to get your email subject line across these many characters. It will make your subject line appear complete even on smartphone devices. Longer subject lines only appear partially on smartphones, so having a shorter subject line may help you.

However, that does not mean that you need to compromise on the quality of your subject line. A study shows that there is not a significant difference in the open rate of emails with shorter or longer subject lines. Even so, shorter subject lines are more friendly to mobile devices as compared to longer subject lines.


Subject lines are one of the deciding factors of whether your consumer will open your email or not. Therefore, it is important to make sure that your subject lines are convincing and compelling enough to make your consumers open the emails that you send them.

In this blog, we discussed different ways that you can improve your email subject lines to increase your open rates and click-throughs.

·         A/B Testing

·         Understand your target audience

·         Segregate your audience

·         Avoid misleading subject lines

·         Make it mobile-friendly

Email marketing asks for consistent efforts to increase your conversions and number of loyal customers. It could be overwhelming to take care of it along with other things, especially when you are a new business.

You can make sure that your business has a strong marketing structure by outsourcing your marketing services from a digital marketing agency that provides different services including email marketing.

The professionals at the digital marketing agency will allow you to gain higher results with their advanced tools and marketing expertise with tried and tested techniques. You can try their demo services with free credits and continue getting their services with a minimal monthly or yearly fee.

How do you optimize your email subject lines to get more open rates? Let us know in the comments section below and stay tuned for more blogs like these.

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