10 Subject Line Tester Tools That Can Help Boost Your Email Open Rate
Crafting the perfect email subject line is essential for getting your emails opened and read. The subject line is the first thing recipients see, and it can make the difference between your email being opened or sent to the trash. To help you nail your subject lines, we've compiled a list of the top 10 subject line tester tools that can boost your email open rates.
Key Takeaways
- Using subject line tester tools can significantly increase your email open rates.
- These tools analyze various elements of your subject lines, such as length, word choice, and sentiment.
- Many tools provide a score or rating along with suggestions for improvement.
- Some tools also check for spam triggers to ensure your emails land in the primary inbox.
- Regularly testing and refining your subject lines is crucial for ongoing email marketing success.
1. Mizy by Automizy
Mizy by Automizy is a powerful tool designed to help you create the best email subject lines. Using AI and deep learning, Mizy analyzes millions of email campaigns to provide insights and recommendations.
Key Features
- Uses AI and deep learning to evaluate subject lines.
- Recommends subject lines based on your email content.
- Offers subject line templates to improve open rates.
Mizy's deep learning neural network collects data from various email campaigns. It then restructures itself to provide better insights on what works and what doesn't. When you enter your subject line, Mizy generates a performance rating out of 100 and offers tips for improvement.
This tool not only evaluates the effectiveness of your subject lines but also suggests new ones based on your email content.
2. Send Check It
Send Check It is a comprehensive email subject line tester that evaluates your subject lines based on 16 different criteria. This tool provides an overall score and detailed feedback to help you improve your email subject lines.
Here are the 16 criteria it examines:
- Scannability
- Reading grade level
- Length in characters and words
- Preview appearance
- Sentiment (positive or negative)
- Presence of the word "free"
- Potentially spammy words
- Avoidance of spam filters
- Use of exclamation marks
- Use of all capital letters
- Proper punctuation
- Personalization (e.g., recipient's name)
- Inclusion of a question
- Use of all lowercase letters
- Inclusion of emojis
This tool is ideal for those who want to get their email subject lines graded with these free subject line testing tools to stand out in the inbox and increase your email open rates.
Send Check It is free to use, making it a valuable resource for anyone looking to enhance their email marketing efforts.
3. CoSchedule’s Email Subject Line Tester
CoSchedule’s Email Subject Line Tester is a handy tool for any marketing team. It checks various features of your subject line, such as case, character and word count, numbers, and emojis. The tool then gives you a score and insights on how to improve your subject line. You can use their list of positive and negative words to make your subject line better.
Key Features
- Offers word banks for further optimizing subject lines.
- Allows you to compare past subject lines.
- Shows a preview of how the subject line will look in different inboxes.
This tool is great for anyone looking to boost their email open rates. It helps you find the right words and structure to make your subject lines more engaging.
4. SubjectLine
SubjectLine.com is a must-have tool for any marketing team. This tester evaluates your subject line based on email marketing best practices and gives you an instant score from 0 to 100. More important than the score is the feedback the tool provides. For example, if your subject line lacks urgency, the tool will deduct points and suggest improvements.
You can keep tweaking your subject line until you get the results you want. This means you get actionable advice right away, helping you craft compelling subject lines that can boost your email open rates.
Key Features
- Instant score from 0 to 100
- Actionable feedback
- Suggestions for improvement
Making small changes to your subject lines can lead to higher open rates and a more engaged audience. As you experiment with different email campaigns, you'll find what works best for your contacts.
5. Advanced Marketing Institute’s Headline Analyzer
The Advanced Marketing Institute’s Headline Analyzer is a unique tool designed to evaluate the emotional marketing value of your email subject lines. This tool helps marketers create subject lines that resonate with readers on an emotional level, whether it appeals to their intellect, empathy, or spirituality.
Key Features
- Scores subject lines based on Emotional Marketing Value (EMV) words.
- Assesses whether the subject line impacts the customer’s intellectual or emotional side.
The Advanced Marketing Institute’s Headline Analyzer is an excellent tool for examining email subject lines through a unique lens. It allows you to tweak your copy to provoke a range of responses in your readers.
Using this tool can significantly enhance your cold email outreach by ensuring your subject lines connect emotionally with your audience.
6. ISnotSpam
ISnotSpam is a free tool designed to help you avoid the spam folder. It checks your email for common spam triggers, ensuring your message reaches the recipient's inbox. To use ISnotSpam, simply write your email, choose a subject line, and send it to the email address provided on their website. Within three minutes, you'll receive a detailed report on how your email fares against various spam filters.
Key Features
- Conducts SPF, Sender-ID, DomainKeys, DKIM, and SpamAssassin checks.
- Analyzes both your email and the subject line.
Avoiding the spam folder is crucial for any email marketer. ISnotSpam helps you achieve this by providing a comprehensive analysis of your email's spam triggers.
7. Email Subject Line Grader by Net Atlantic
The Email Subject Line Grader by Net Atlantic is a straightforward tool designed to help you improve your email subject lines. It evaluates your subject lines based on three main criteria:
- Subject Line Type: This tool identifies the type of subject line you've created, such as a question or a how-to. It also provides tips on how to make your subject lines more effective.
- Character Count: Research shows that the best email subject lines have 60 characters or less. This tool will tell you the length of your subject line and suggest adjustments if needed.
- Word Mixture and Balance: The tool checks the balance of action, emotion, and power words in your subject line. If any of these elements are missing, it will recommend adding them to strengthen your copy.
This tool is perfect for those who want to quickly check and improve their email subject lines without any fuss. It's especially useful for small-scale email marketing campaigns.
8. Omnisend
Omnisend is a versatile tool designed to help you craft the perfect email subject lines. It evaluates your subject lines based on length, wording, spam alert, and scannability. This ensures your emails have a higher chance of being opened and read.
Key Features
- Provides an overall performance score for your subject lines.
- Analyzes subject lines for length, wording, spam alerts, and scannability.
- Offers a preview of how your subject line will appear in different inboxes.
Benefits
- Build Your List: Grow your audience by collecting contact details from your visitors.
- Automate: Save time and boost sales with pre-built automations.
- Send Campaigns: Reach out to subscribers with on-brand email campaigns.
Omnisend is a powerful marketing tool that helps you find the perfect subject line length and lets you see a preview of it, making it an essential part of your email marketing strategy.
9. TestSubject By Zurb
TestSubject by Zurb is a handy tool for anyone looking to optimize their email subject lines for mobile devices. With more people reading emails on their phones, it's crucial to ensure your subject lines look good on smaller screens. This tool lets you see how your sender name, subject line, and pre-header text will appear on various mobile devices.
Features
- Shows a preview of how the sender’s name and subject line will look on different devices.
- Currently includes iPhone 6, iPhone 6 Plus, and Samsung Galaxy Note 5.
TestSubject is a basic yet useful tool, especially considering the growing number of people who read emails on their phones. The appearance of your message on a smartphone can make a big difference in your overall engagement with potential customers.
10. Touchstone
Touchstone is a top choice for comprehensive subject line analysis. This tool is perfect for larger marketing teams or agencies with bigger budgets. It goes beyond simple subject line testing by creating a virtual simulation of your subscriber list and using proprietary algorithms to predict subject line effectiveness.
Features
- Creates a virtual simulation of your email database.
- Analyzes up to 10 subject lines per search.
- Allows segmentation and filters by sector.
- Offers a full reporting dashboard.
Touchstone may not be free, but it is absolutely worth it. Depending on the package you choose, this tool offers benefits you won’t get with any of the other free tools. It is best for those who need detailed insights and are willing to invest in a premium tool to boost their email open rates.
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Conclusion
In conclusion, using subject line tester tools can significantly improve your email open rates. These tools help you craft compelling and effective subject lines that grab your audience's attention. Whether you're a seasoned email marketer or just starting out, these tools offer valuable insights and suggestions to optimize your subject lines. Remember, the key to a successful email campaign lies in continuous testing and refining. So, explore these tools, find the ones that work best for you, and watch your email open rates soar. Happy emailing!
Frequently Asked Questions
What are email subject line tester tools?
Email subject line tester tools are special tools that help you check and improve your email subject lines. They analyze things like word choice, length, and emotion to give you tips on making your subject lines better.
How do email subject line testers work?
These tools look at different parts of your subject line, such as how long it is and the words you use. They then give you a score or rating and suggest ways to make it better.
Are email subject line testers accurate?
While these tools are pretty good at giving you a starting point, they aren't perfect. It's always a good idea to test your subject lines in real-life situations to see what works best.
Is it worth paying for a premium email subject line tester?
If you send a lot of emails, a premium tool might be worth it because it can give you more detailed advice. But if you're just starting out or have a small business, free tools might be enough.
Can these tools help avoid spam filters?
Yes, some email subject line testers can help you avoid words or phrases that might trigger spam filters, making sure your emails reach the inbox.
Why is the email subject line so important?
The subject line is the first thing people see when they get an email. A good subject line makes people want to open the email, while a bad one can make them ignore it or mark it as spam.
