You are currently viewing How to Write Email Subject Lines that Boost Open Rates by 10X

It’s challenging to craft the perfect email subject lines, but it is an important step toward getting your message opened.  The main purpose of writing the subject line is to grab the reader’s attention. If they hit ‘delete’ as soon as they see your email, then there is no point in writing the rest of your message. Today we will share some important tips on how to write email subject lines that convert customers into buyers.

The subject line is the first thing that a person reads and decides whether to open your email or not. This is why you have to craft a catchy and attention-grabbing subject line. There are many people who are currently doing their utmost to improve their email open rate, but at the same time, a lot of them don’t know how.

First of all, there is no perfect way of writing email subject lines. Because the different types of subject line work for different companies. The only thing you can do is use your experience, try new methods, experiment, and read all of the tips in this article. This post will guide you through some useful techniques and tricks when crafting an effective subject line. These tips should help you write email subject lines that get opened and read – by 10x!


What is Email Subject Line: Why its important?

Email subject line is an important part of email marketing to get a higher open rate and conversion rate. But writing a perfect subject line is always more challenging than writing compelling email content.

Subject lines should be relevant to the content, catchy, and concise. It should have the right keywords that people search online and in their inboxes. It’s crucial to have a great subject line that piques the interest of subscribers.

The great subject line is not for just getting more opens but also get more clicks that convert subscribers to customers.


How To Write the Perfect Email Subject Line?

The subject line of an email is directly related to how many subscribers opened it and how many subscribers clicked on it, which resulted in a sale.

So, let’s look at how to write the perfect email subject line to get more opens and clicks.

Step 1: Know Your Audience

Before writing the subject line, you should have a better understanding of your target audience. Who they are, what they want, and industry trends, this information helps you write the perfect subject line for your email marketing campaign.

Segment your list based on country, interest, industry, recent purchase, revenue, and more. Write customized subject lines for each segment that grab subscriber interests.

Suppose your target country is the USA. Then see what is the recent trend in a particular country and add those trends or keywords in your subject that catch subscribers’ interest to open it.


Step 2: Determine Your Email Marketing Goal

If you have a clear goal for your email campaign, it will be easy for you to write a good subject line. The ultimate goal of sending an email campaign is sales and revenue. You need to be specific about what you want to promote and why?

For example, If you want the subscriber to buy the product, mentioning it in the subject is a good idea. If you just want the subscriber to read an article, you don’t need to mention it in the subject line.


Step 3: Add a Question or Actionable Statement in Email Subject Line

It is critical to include a question or actionable statement in the subject line of your email. This will assist readers in quickly comprehending the content of your email and what they must do next.

Few Question or Actionable Statements Subject Line Examples

  • How to use ChatGPT to make money (full tutorial)
  • Are you tracking these top 11 traffic metrics?
  • How we increase website traffic by 147%
  • How much does YouTube pay per 100k views?
  • How we boosted our client’s conversions in just 9 months
  • Double your traffic with these 2 EASY tips


Step 4: Create Multiple Email Subject Lines

If you experienced a very low email open rate, it is better to craft multiple subject lines for your campaign. And run an A/B testing campaign, based on results make use of the best-performing subject line. This method also helps you to avoid spam folders and increase inbox placement.


Step 5: Adhere to the ABC Rule

This is the basic rule of writing an effective email subject line. You might be thinking, What does ABC stand for? Actually, ABC stands for Attention, Benefit, and Curiosity. Let’s discuss this in detail.

  • Attention

In today’s world, on average everybody gets a minimum of 10- 15 emails per day. But you open only those that are relevant, interesting, and grabbing your attention. Other emails either you just ignore or you will not get time to see from your busy schedule.

That’s why writing attention-grabbing subject lines is very important. Craft a short, simple, and to-the-point subject line that grabs the attention of your subscriber. Here are a few attention-grabbing subjectlines examples

  • Don’t Open This Email
  • Important Weather Advisory
  • What Can You Afford?
  • Welcome Gift! Offer Inside 👀
  • Wow! 🔥
  • Let’s Pause


  • Benefits

While crafting the subject line think of what additional benefit you can give to your subscriber. Provide incentives, discounts, freebies, and extra benefits that can encourage subscribers to purchase. This way you can engage more subscribers and generate higher revenue. Examples are here

  • Get $25,000+ in bonuses when you join 123 Profit
  • [Live MasterClass] How to scale to $100K+/month
  • [Free Download] Scale From ZERO to $10,000+/day
  • Final Chance to save $95


  • Curiosity

Curiosity is what will get your email opened. To entice people to open your email, you need to pique their interest.

  • Earn $10,914 in 1 hour with this 3-step system
  • How our affiliates earned over $150,000 last month
  • $60k in 4 weeks 🔥(despite the pandemic)
  • Meet the “Billion Dollar Man”…
  • It really is $1

Apply these simple techniques in the subject line and increase your open rate.

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10 Best Practices for Writing Email Subject Lines

Email subject lines are the first thing subscribers see when they open your email. They are also the last thing readers see before hitting the delete or unsubscribe buttons. So it’s important to use them wisely in order to ensure a high rate of opens, click-throughs, and sales.

The following are some of the most important considerations when creating a perfect email subject line:

#1. Study Your Competitors

Keep observing your competitors and see what your competitors are doing. Don’t copy the same subject line as competitors. Using the same subject line subscribers can not differentiate your email.

Use the ideas and keywords they use in their subject line. Add more value to it and check whether it works for your business or not.


#2. Make Use of Personalized Subject Lines

With the rise of personalized marketing, email subject lines are becoming increasingly important in ensuring that your messages get opened. We’ll discuss how to use personalization in email subject lines to ensure that your message stands out and grabs attention – so you can get better open rates!

Try using these personalization tips in email

  • Use subscriber name
  • Use the business name
  • Use recent download content
  • Send birthday and anniversary wishes
  • Use transaction history
  • Include location in subjectline and provide the offer
  • Use relevant emojis and special characters
  • Use industry trends and send customized emails

Personalization subject lines examples

  • Tara, See you at Field Service Medical?
  • Here is your 10% coupon, Tara [Limited Time]
  • Tara, 7 steps to build your dream CRM
  • Tara Rogers, want a roadmap to 10k/month online?
  • [HARO] Friday Morning Edition
  • Mogul Daily – December 16, 2022
  • Tara, here’s a Free Coding Assessment!
  • How to make $15M by using 🚀
  • Happy Birthday!! (Gift Inside)


#3. Make Your Subject Line Short and Sweet

If you want your email to be read, keep your subject line short and sweet. A concise subject line is more likely to catch someone’s eye than a rambling one. Plus, it shows that you respect the recipient’s time.

When crafting a subject line, think about what will grab the reader’s attention. Is it a time-sensitive offer? An interesting statistic? A personal anecdote? Whatever it is, make sure it’s included in the subject line.

Remember, the goal is to get the recipient to open your email. So make sure your subject line is clear, interesting, and reflects the content of your message.

Some Short and Sweet Subject Line examples

  • Boost Your Website Traffic
  • SEO Trends for 2023
  • ChatGPT + Blogging = Profit 💰
  • 👉 Do you want 2 FREE months of SEO?
  • Your Ebook is here!
  • 10 Must-Read SEO Guides
  • New Year’s marketing ideas
  • New Ranking Factor
  • Closing today ⌛


#4. Don’t Include Exclamation Marks or ALL CAPS

Email subject lines containing exclamation marks or ALL CAPS consider to be spam. So never use exclamation marks or all capital letters in your subject line. Keep your subject line simple and under 50 characters. Be clear and concise, and avoid using abbreviations or acronyms.


#5. Avoid Using Spam Words

Avoid using spam words in both the subject line and the content. Spam words make your email suspicious and prevent it from passing through spam filters, resulting in a lower open rate. You should never use these spam words in your subject line.

Here is the list of 188 Spam Words you should avoid using in emails.


#6. Write Mobile Optimized Subjectline

As you are aware, everybody uses mobile phones to check their emails. That’s why crafting optimized subject lines become very important. So that users can read comfortably and take the required action. You can take the help of the subject line preview tool to craft a perfect subject line.


#7. Include Numbers in Urgency Subject Line

Urgency subject line works better than a generic subject line. But urgency with the number makes the subject line more effective. For example, “offer ends in 24 hours” is better than “Don’t miss out on this offer”

Few Examples of Urgency subject line

  • 30% Off Christmas Sale – Last 24 Hours
  • ⚠️ 6 Hours Left, last chance for BGE at 997
  • 18 hours left to get BGE @ 75% off (21 spots left)
  • ⏳ 48 hours left to get bonus credits
  • Upgrade today and get 10% OFF for life!
  • 🎄 Christmas 20% OFF Deal Expires in 7 Days?!
  • Time’s Almost Up For 70% Off
  • You Still Have A Chance To Get 65% Off
  • [Last Chance] 65% Off Ends Today


#8. Be Concise and Clear

Your email subject line is important because it is the first thing that your recipient will see. Make sure that your subject line is concise and clear so that your recipient knows what the email is about and can decide whether or not to open it. A good rule of thumb is to keep your subject line to the point and easy to understand. Examples

  • AI tutorials that will make you money
  • Last call for high-conversion Email Marketing strategies
  • Amazing! 23x SEO Copywriting Tips That Get Quick Results
  • 💰 $0 to $500/Day Affiliate Marketing Blueprint (inside)
  • 7 ways to spot affiliate marketing trends
  • What’s the easiest way to boost open rates?
  • 20x Ways To Increase Your Search Traffic
  • Your trial has ended, what now?
  • Cheers, You monthly credits were refilled
  • 7 best passive income ideas (NEW)


#9. Include Emojis

Emojis in email subject lines have been shown to increase the likelihood of an email being opened. Emojis are increasingly being used by businesses to differentiate themselves from their competitors.

Don’t overuse emojis in the subject line sometimes people will not take your email seriously they will start ignoring it. Use 1 or 2 relevant emojis which look very professional.

  • The 6 Best Mind Blowing 🤯 AI Writing Tools
  • 🎅 Don’t forget your 20% OFF – ends in 72 hours!
  • 🔥 Keep your leads hot with automated emails
  • ⚠️ Your account has been downgraded ⚠️
  • Your free trial ends today! ⏳
  • 🎅 Ho-ho-hold up…20% OFF for 2023?!
  • Claim your bonus 🎁 Free SEO Roadmap
  • ⏰ Time your email marketing right!
  • 🚀 123 PROFIT is LIVE! (Go,Go,Go!)


#10. Conduct A/B Testing on Your Subject Lines

A/B testing is the best way of checking whether your email subject line is perfect or not. While writing a good subject line keep the 2 to 3 option. Use those subjectline for the A/B testing campaign, based on the performance your email marketing software will choose the perfect subject line.

This is one of the best ways of choosing the perfect subject line. Because emails will go to the actual subscriber. Sending fewer subscribers gives you enough idea of which subject lines work best for you.



Writing the perfect email subject line can be a daunting task, but with the right tips and tricks, you can create subjectlines that grab attention and get your emails read. Use these ideas to craft catchy email subject lines that will make people eager to open your emails. Remember, it’s all about being creative and concise while still conveying the message of your email in an engaging way. Experiment with various approaches to see what works best for you!

So don’t underestimate the power of a good subject line – put in the effort now and reap the rewards later!