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What is Pros and Cons is a vital tool to ensure your emails stand out in those crowded inboxes of your receivers. Let’s talk about and examine its pros and cons to help you decide whether it’s the right choice for your email marketing strategy.

What is is an online platform designed to help email marketers improve the effectiveness of their email subject lines. It offers a simple and user-friendly interface, allowing users to test, analyze, and optimize their subject lines for maximum engagement and open email rates.
This tool helps marketers generate increased response rates and improved inbox deliverability.

Pros of Using displays email deliverability and marketing results, adding and subtracting points based on subject line best practices. Here are some of its advantages:

  • Free to Use: is a FREE top-ranked email subject line testing tool.
  • Increase Open Rates: One of the most significant advantages of is its ability to boost email open rates. By analyzing your subject lines, it provides recommendations and insights on how to create subject lines that are more likely to capture the recipient’s attention. This will result in increased open rates, which is crucial for the success of email marketing campaigns.
  • A/B Testing: allows you to perform A/B testing with your subject lines. This approach empowers you to modify your email marketing strategies and adjust your content to the preferences of your audience.
  • Time and Cost Efficient: can save you time and money by streamlining the email marketing process. You can use the platform to improve your subject lines and make your campaigns more successful instead of relying on trial and error.
  • Learning Resources: You can learn more about the underlying effectiveness of the subject lines by consulting the educational tools and guidelines from 

Cons of Using

While has many benefits, there may be better fits for some businesses. The tool only focuses on subject lines so here are some of its disadvantages.

  • Subscription Costs: It may be necessary for you to sign up for a subscription plan in order to access premium features. The subscription fees can increase your marketing costs, which may not be acceptable for individuals or small businesses on a limited budget.
  • Limited to Subject Lines: Subject lines are the main emphasis of Email marketing success depends on many variables, including content quality, audience segmentation, timeliness, and others. Marketers who want their email marketing campaigns to succeed should rely on more than subject line optimization.
  • Subjectivity: While provides data-driven insights, email marketing can still be subjective. What resonates with one audience may not work for another. Therefore, relying solely on the platform’s recommendations without understanding your specific audience’s preferences might not yield the best results.

Conclusion is a powerful tool that can help email marketers create subject lines that capture recipients’ attention and improve open rates. Its real-time feedback, A/B testing capabilities, and educational resources make it a valuable asset for email marketing campaigns. However, it’s important to remember that subject lines are just one piece of the email marketing puzzle. To achieve the best results, it’s essential to consider other aspects of email marketing as well.

Create your Magical Subject Lines with Pure Firefly

Creating effective subject lines is only the first part of a successful email campaign. Pure Firefly can provide full-service email marketing strategies with years of experience in IT & design. Contact us to book a free intro call.

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email and website connected by newsletter glue

Newsletter Glue: One Marketer’s Perspective

Newsletter Glue is a WordPress plugin which allows users to create & send newsletters from within the WordPress builder. Plus, it integrates with 13 major email service providers. This week, I used Newsletter Glue to build Pure Firefly’s monthly newsletter. Here are a few pros and cons for those who might be interested in trying it out!

Easy Blog Updates

For many bloggers, streamlining the process from creating a new blog post to emailing it out to their subscribers can be a challenge. RSS campaigns can run into technical challenges and lack the editability some bloggers would prefer. However, manually copy and pasting blog posts into an email marketing platform also requires a significant time investment.

Newsletter Glue is a great fit for bloggers and organizations in this position. By using your WordPress builder to create & send emails, the plugin takes advantage of the skills you already have. This makes sending out blog updates a much faster process. As Newsletter Glue co-founder Leslie Sim shared, “Once everything is set up, our customers save, on average, an hour or more per newsletter.”

For people and organizations sending newsletters on a regular basis, those hours certainly add up!

Built-In Brand Consistency

When you build newsletters in Newsletter Glue, all of the formatting from your website carries over. This is a great way to ensure consistency between your website and newsletters, fortifying your overall brand voice.

While this built-in consistency can be a plus for some organizations, it can also come with some drawbacks. Because the builder incorporates your overall website styles, it can be challenging to differentiate campaigns with unique colors and/or fonts. Newsletter Glue’s builder does allow users to customize text & color settings for each block, but it will always default to the style settings a user has already established for their WordPress site. 

This is one element which makes Newsletter Glue a better fit for informational newsletters than marketing campaigns. 

Other Considerations

When I built Pure Firefly’s newsletter in Newsletter Glue, I did run into a few challenges with image formatting. The good news is that Newsletter Glue’s tech support team was responsive and helpful. We communicated via email and they responded to every message within 48 hours.

Newsletter Glue’s code is heavily tested and follows WordPress VIP Coding standards. Like any tool, it still has a few quirks. When trying it out for the first time, be sure to double check that your email is appearing as intended across email platforms. Check the Newsletter Glue documentation to ensure all your blocks are email compatible. 

Overall, Newsletter Glue is a great fit for people who prefer creating posts in WordPress than building templates in their email marketing platform. 

Ready to Build Your Newsletter?

Newsletters are one of the best ways to nurture relationships with your audience. Need some inspiration?

Pure Firefly sends a monthly newsletter with email tips, Mailchimp how-to’s, and food for thought from around the web. Plus, check out these recommendations from Lesley Sim:

Thanks to Lesley Sim for her help with this article. Check out her website at, and definitely try out Newsletter Glue.

If you need help setting up your first newsletter,  contact us for a consultation.

Note: This post may include affiliate links. When you sign up for Newsletter Glue through this post, we earn a small commission at no additional cost to you.

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