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Email Subject Line Tester – How It Works

As you may know, the email subject line is the very first thing a subscriber to your email list will notice. This means that within 5 seconds per average, they will decide whether to open up the email or not. If the subject line is amiss, they will completely ignore your campaign.

Have you ever heard of the expression “The first impression is the last impression”? This is the case for the email subject lines.

It’s incredible how much power this one line has. It doesn’t matter how creative the content within the email is if you don’t get the subject line right. Let’s look at the numbers:

• The word “Sales” will increase open rates by up to 4%. The word “Sale” will decrease the percentage by 2%

• By including the subscriber’s name in the subject line, the open rates will increase by 29%

• Up to 60% of all email recipients will mark the email as spam based on the subject line

Additionally, it has also been noted that subject lines with 1 to 5 words, on average have an open rate of up to 16%, subject lines with 6 to 10 words have an open rate of 20%, and subject lines with 11-15 words have an open rate of 14%.

How to Craft a Subject Line

Just like email marketing best practices, there are email subject lines best practices. Regardless of the reason why you’re sending an email, it’s in your best interest to make the subscriber to read it.

When crafting a subject line, you should make sense of urgency. Make them believe that the content in the email is available for a limited time only. However, it’s essential to remember that too many such urgencies will send you straight to the spam folder.

Without a doubt, people love believing that they’re getting some deal. So, play this to your advantage. By letting the subscriber know of the deal within the email, they will check out the email to get more information.

You may have seen that some brands will ask you a question within the subject line. The reasons for this is because questions are a great way to get the attention of the recipient.

Nonetheless, it’s essential to understand that if you do this too often, your open rates will drop drastically. It has been noted that brands that have gone over the top have seen a lower click rate by 8% on average.

This means that it’s essential to pay attention to how you use it and how you formulate the question. If the subscriber has seen the question from you at 10 different subject lines, you will be perceived as a brand with no creativity.

Tips and Tricks

Keep it short – You should never write a subject line with more than 50 characters. The subject line should never be perceived as a vague message but more like a short and snappy phrase.

Attention Seeker – Perceive yourself as someone who is looking for attention when crafting them. The words that you include in the phrase are the sole persuaders to make a recipient to open the email.

Don’t Lie – There’s a difference between being creative and being a liar. So, in the subject line, you should never mislead the subscriber to open the email. This is the fastest way to lose value in the eyes of your customers.

Less is More

You already know that your subscriber will get hundreds of emails per day, every day. Thus, the majority of them are ignored or sent straight to spam. If you decide to leave the subject lines by chance, you will be another ignored email.

Even though such a feature must be made with creativity, they must be unique and engaging. Within a few words, you should persuade the subscriber that the content within the email is appealing to them.

A well-crafted subject line must be tested before you send it to the recipient.

Top Email Subject Line Tester Tools

Description: By simply entering your created subject line, you will get a score out of 100. In addition to this, the tool will also give you a breakdown on how to improve your results. In addition to this, without having to sign-up, you will also enjoy a range of features to enhance your next subject line.

Best of all, you will see previews of what the subject line will look like on different devices.

Price: Free

Description: This is a more advanced tool as it uses AI-based tester. It promises to improve the campaign as it tests different versions of the designs while you get a thorough understanding of what the recipients prefer. Furthermore, it will also allow you to do A/B split testing.

Price: Free

Description: Similarly, to the others, you will be able to get a thorough understanding of how effective the subject line is. The reason for this is because it will analyze how natural and how easy it is to read the subject line. As well as, it will also calculate the number of characters, and show you previews of the message on different devices.

Equally important, it will also provide you with a comprehensive view by analyzing for spammy words, so it eliminates the possibility for your campaign to trigger the spam filters by email providers.

Price: Free

Description: This easy-to-use tool is the right choice if you don’t understand the specifics just yet, but you still want a compelling subject line. If you’re new in the industry, you will find the tool easy to understand.

However, when using this tool, you should bear in mind that you will not receive a comprehensive report. The tool will analyze and rank the subject line, take a look at the word count, and give you tips on how to improve it.

Price: Free

Description: This is another tool that will rank your subject line out of 100. Then, it will also advise you on how to improve the subject line for better open rates.

Price: Free

So, what are you waiting for? Use your creativity and use any of the tools above to test its efficiency.

Email Subject Line Tester – How It Works
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