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Email Design Best Practices: How to Improve Your Email Conversion Rate

Dalila Bonomi
Dalila Bonomi
Aug 8, 2019
Email Design Best Practices: How to Improve Your Email Conversion Rate
Email Design Best Practices: How to Improve Your Email Conversion Rate

First impressions mean everything — and with a first impression, you only get one chance! In the world of email marketing, email design is even more important than you might think: It’s one of the best ways to catch your readers' attention, enticing them to read to the end and follow your call to action (CTA). By focusing on email design best practices, you can create emails that are a pleasure to read, leading to a better email conversion rate. Here are some tips on using stunning email templates to create top-notch emails.

#1. Optimize the subject line

The subject line of your email is often the first thing people see, and it's essential to make it count. There are many different ways to write an eye-catching subject line that grabs your readers’ attention. Consider including a teaser about what’s in the rest of your email – but don’t give too much away! You want to suggest a question so compelling that your readers choose to click through to find the answer. (In the example below, CNET does this effectively with a counterintuitive subject line sure to raise eyebrows.)If you prefer a more straightforward approach, you can promise valuable information (like James Clear does below), or use a breaking news story from your industry to get attention (as Tech Crunch does here). And don't forget, you can further improve your email conversion rate by making sure to keep your subject line short (under 50 characters), because longer subject lines will get cut off on mobile devices.

subject lines in email inbox

#2. Fine-tune snippet text

Many email providers have a feature called snippet text on both desktop and mobile. Essentially, this gives a short preview (often 100 characters) of the copy that’s inside the email; in the image below, the snippet text is the sentence below the bolded sender name and subject line. Your snippet text is valuable — use that space wisely and don’t repeat what you said in the subject of the email. This snippet text can actually serve as a CTA in itself, prompting your reader to open the email.Below, Vox Sentences sent an email with snippet text promising news about a new budget deal. The sentence cut off just before giving more information, so readers are enticed into clicking to read more.

snippet text example

#3. Follow email design best practices

Once your reader opens the email, you want to keep them there — and one way to do that is by designing a good email with beautiful colors and images, creating a pleasurable reading experience. Choose a clear, on-brand color palette and include bright imagery. Here, Century21 accomplished this by creating a unique bright-red graphic with an original photo, plus a text overlay explaining the point of the email. By using stunning email templates to optimize design elements like imagery and color, you can retain more readers.Subject line: Don’t. Miss. Out.

colorful on-brand email

#4. Make things easy

What do you want your email readers to do next? Whether it's to go premium, visit your website, or make a purchase, you have to make it as easy as possible for them to take that next step. Design your email layout so that readers' eyes will be immediately drawn to the most important element: the CTA.In this recent email from Trade Coffee, the company included a CTA right at the beginning of the email, in the middle of the screen. And as readers scrolled down, there were more CTAs (in this case, “subscribe” buttons) in every section, creating plenty of opportunities for a reader to easily opt-in.You can also utilize positioning to strategically place your CTA in the email. People generally read from the top left to right of an email and the scan down, so try putting your CTA near the bottom or the right. Linking images can also help improve email conversion rates. Overall, making sure your CTA is easily visible is one of the most essential email design best practices.Subject line: The secret’s out…

well-placed CTAs example

#5. Strategically place text

Aim to strike a good balance of text and images in the email layout to make your email easy and inviting to read. Many people simply scan through their emails, skimming the text instead of reading every word. By breaking your text up and making it easy to spot the highlights, readers will be more likely to retain key points. Try creating a small section of text to accompany each image you include; each section should have its own headline and make one central point.Your copy needs to be top-notch, too. Good copywriting can help email conversion rates skyrocket. Here, body brand Billie used fresh, simple language to promote its new summery product.Subject line: Our new color for summer!

scannable email example

#6. Create mobile-friendly emails

Worldwide, almost half of all Internet traffic is mobile. And here’s another memorable statistic: Emails that don’t display well on mobile will be deleted within three seconds in 70 percent of cases!You can improve your email conversion rate by making your emails mobile-friendly. Include text breaks and use a large font size; test your email layout to discover any potential problems.Make absolutely certain to use a responsive email template or other responsive design. The Groupon email shown here had two columns when viewed on desktop, but on mobile that changed to just one column that was easy to scroll through and read.Subject line: Kick off the end of the summer with 25% off

mobile friendly email example

Wrap-up: Improve your email conversion rate

Ready to implement all these tips and start improving your email conversion rate? BEE's drag-and-drop email editor is full of stunning email templates you can use to create emails people will want to open. Check out these professionally-designed templates for your next set of marketing emails — they’re simple to tailor and can help your email conversion rate rise!

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Now, let's be honest—you’ve likely heard about all of these rotating for the last few years. While email marketing has come a long way and is changing faster than ever, there’s only so much you can do within 600x1,500 pixels. However, there are no limits to where your creativity can take you. 

Let’s get into it.  

#1. Unique, tailored experiences 

Damian Grabarczyk, the co-founder and growth marketer of PetLab Co., says, “We faced the challenge of connecting meaningfully with an audience that expects more than one-size-fits-all communication.” 

When we speak about crafting tailored emails we mean going beyond the recipient's first name in the subject line. We’re talking about optimizing your entire email strategy to design multi-stage touchpoints to nurture leads across the customer lifecycle. As well as, leveraging data to send hyper-personalized, relevant, and engaging emails that feel less like a broadcast message and more like a conversation. 

Many are using AI machine learning algorithms and AI automation to analyze customer interactions, past purchases, browsing habits, website visits, and even social media behavior to curate engaging email content that resonates deeply with the real-time needs of recipients.

For PetLab Co this looked like including content such as an individual’s pet health history or product usage timelines. Damian Grabarzyk expands, “This approach transformed the conversion rate and strengthened customer loyalty. As we look ahead, I see brands in 2025 moving beyond generic personalization to adopt strategies that make customers feel truly understood and valued.”

On the other hand, many are leaning into user-generated content (UGC) for crafting tailored experiences. Customers today are more likely to trust the opinions of peers over branded messages. UGC like customer reviews, testimonials, videos, and photos are the best form of social proof depicting real people using and benefitting from your products or services. 

We see the benefits of using both AI and UGC to get the most out of your email conversions ;). 

#2. AI tools as an addition, not a substitution

Experts at NordPass state, "AI-powered content generation tools are not here to replace email copywriters and marketers. These tools make us more efficient. The smarter the tool is, the better equipped we are to create high-performing email content that drives results." 

AI tools can support us by significantly enhancing the speed, precision, and effectiveness of your emails. For instance while traditionally A/B testing has required a lot of time to analyze small variations with AI you quickly implement and test multiple email elements and make adjustments based on real-time engagement data. There are AI algorithms that can even predict which variations are most likely to resonate with different audience segments, leading to more accurate targeting and faster optimization.

In short, AI tools are revolutionizing the way we craft and optimize our email’s deliverability. There are many different types of AI solutions so we suggest finding the right one for your needs. 

#3. Even more transparency around data

With AI continuing to rise, folks are more and more concerned about where their data is going. That’s where zero-party data collection becomes a key strategy in email marketing, allowing you to gather data directly from customers rather than relying on third-party sources. 

Zero-party data includes information that consumers willingly share, such as preferences, interests, and purchase intentions. This data is often collected through surveys, preference centers, quizzes, or interactive content and is highly valuable because it is shared explicitly, ensuring accuracy and deeper personalization without privacy concerns associated with third-party tracking.

As privacy regulations tighten, zero-party data will empower you to deliver hyper-personalized email experiences while respecting user privacy. This approach will help you build trust, as customers feel more in control of their data, and you gain insights that lead to more relevant and engaging email content.

#4. The death of static emails

With attention span getting shorter day after day, digest-format emails are expected to rise in popularity in 2025. Presenting email content in an easy-to-scan, organized, and minimalistic layout will surely help deliver the most relevant information in a fraction of the time. 

Additionally, interactive emails will allow recipients to directly engage within the email without having to visit a landing page or website. Interactive elements like product carousels, polls, and quizzes create a dynamic experience that keeps subscribers engaged, especially in visually driven industries like fashion brands

So what now? 

You’ve heard these strategies before, but now it’s time to actually put them into action. The brands that win at email marketing in 2025 won’t just be sending emails—they’ll be creating experiences. Whether it’s hyper-personalized content, AI-driven efficiency, zero-party data collection, or interactive emails that break the mold, the key is to stay ahead of the curve.

So, what’s the first strategy you’ll finally implement? Your inbox (and your audience) are waiting.

How to Leverage Email Campaigns to Gather Sincere Product Reviews

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What do customers think about your brand’s products? The best way to find out is to ask them directly, which you can do via strategic email campaigns.

Email makes gathering authentic product reviews quick and easy. By collecting sincere feedback, you can build trust, increase sales, boost loyalty, and innovate product improvements. 

That said, requesting reviews via email requires precise timing, personalized messaging, and lots of engagement optimizations. But don’t worry—we’ll walk you through some key steps to create email campaigns that deliver the valuable feedback you need.

Why product reviews matter

Product reviews do more than confirm that you're meeting customers’ needs. Sincere feedback drives loyalty and sales, offers valuable customer insights, and helps you develop a strategic product development roadmap.

  • Fosters customer loyalty: Requesting and listening to feedback makes your customers feel valued and heard. It demonstrates that you prioritize customer satisfaction, which helps you build stronger, long-term relationships. Review requests also act as re-engagement emails by starting new conversations with customers.
  • Increases sales: Social proof drives sales. According to a recent survey by Power Reviews, 90% of potential customers use online reviews to make purchasing decisions. In fact, reviews have more influence over purchasing decisions than product prices. Turning product reviews into customer testimonials and encouraging reviews on third-party sites can significantly boost sales.
Image sourced from powerreviews.com
  • Builds Customer 360 insights: Customer feedback delivers insights into customer needs and sentiments, enriching Customer 360. Exactly what is Customer 360? It’s a unified, 360-degree view of customer data. It empowers you to tailor products and customer experiences to meet individual needs and preferences. 
  • Drives product improvements: Sincere customer feedback reveals what target customers like/dislike about your products. It provides key insight into their value, functionality, and usability, unlocking large-scale development opportunities.

How to create an email campaign to collect product reviews

Want to unlock the power of product reviews? Let’s explore how to create email campaigns that encourage customers to share their feedback.

Segment your audience

Like promotional emails, product review requests shouldn’t be sent to every subscriber.

If subscribers haven’t had the chance to try your product, product review requests will feel irrelevant and may trigger unsubscriptions. So, only send review email requests to customers recently trying your product.

You can do this by segmenting your email list based on where customers are in the buying cycle. Target loyal customers, recent purchasers, and first-time buyers with tailored email campaigns. This ensures that you’re sending emails to customers most likely to respond with insightful feedback.

Write a compelling email subject line

According to Superoffice, 33% of people open an email based on the subject line. 

Image sourced from superoffice.com

To get the click-through rates you want, your email subject lines should be personalized, relevant, and engaging. Here are some examples:

  • Did you love [product]? Or hate it? Let us know!
  • We value your opinion — help us improve!
  • We want YOU to help us make our product better!
  • Up for a discount? Share your feedback for 10% off! 

Learn more > Tips for writing open worthy subject lines.

Optimize for customer engagement

A successful email marketing strategy relies on customer engagement. Here are some key email elements you need to encourage interactions.

  • An attractive email design: With the right layout, color scheme, typography, and images, you ensure easy readability and promote interaction. Use these engagement-boosting email design best practices to help you create a design that boosts conversion rates.
  • Gratitude and value: Thank customers for reading the email and explaining why their feedback is so important. Also, consider including a personalized Gmail email signature with your content details to build trust and encourage customers to engage with your review request. 
  • Personalized, relevant content: Personalized email content motivates engagement. Use customer data platform (CDP) data to tailor messages to individual customers. What is a CDP? It’s a centralized platform that collects and unifies customer information, building comprehensive customer profiles. 
  • Incentives: Offering a small discount can motivate customers to leave reviews, especially first-time buyers. That said, incentives can (sometimes) generate insincere reviews, so stress the importance of honesty. 
  • A strong call-to-action (CTA): Your CTA should direct readers straight to the reviews submission page. Use clear CTAs with bold buttons and typography to make it stand out.
  • Mobile responsiveness: If your emails are slow to load or don’t display correctly on mobile devices, your bounce rate will spike. Leverage solutions that offer advanced mobile optimization features — such as Beefree— to create responsive emails every single time.

Ask specific, concise questions

Complex, drawn-out questions that are too open-ended can disengage customers. So, get straight to the point with concise, direct questions. Here are some examples:

  • What did you think of [specific product feature]?
  • How often do you use our product?
  • What are your favorite/least favorite features?
  • How likely are you to recommend this product?
  • What could we do to improve our product?

Use a mixture of closed and open-ended questions to increase your chances of receiving meaningful responses.

Make it easy to respond

The easier it is for customers to leave a review, the more responses you’ll receive. So, make the process as seamless and convenient as possible. One way to do this is with survey emails.

Email surveys have high response rates. They can be completed within the email with minimal effort, which is a big plus for busy customers. And, they can generate a wealth of quantitative data and metrics that are quick to analyze, leading to faster improvements. BeeFree has an extensive collection of email survey templates to suit every need.

For longer review requests, include a CTA that directly links to the review submission page. Review forms should use simple, clear language, be optimized for mobile, and have a progress bar. 

You could even provide your telephone contact details to allow customers to leave a review via telephone. It’s the preferred communication method for 55% of Baby Boomers according to Hubspot, so it’s worth considering. 

Leverage small business telephone services from Vonage to access call center capabilities like virtual receptionists and CRM integrations, streamlining processes.

Also consider directing customers to leave reviews on popular review sites, such as Google and Amazon.

Optimize email timings

If you send product review requests too early, there’s a chance your customers won’t have tried your product yet. But if you send them too late, your customer might have forgotten their experience. 

So, when’s the best time to request reviews? 

Aim to send review requests within 7-14 days post-purchase. This gives customers a chance to try the product a few times, leading to more sincere, meaningful reviews. Plan for seasonal surges such as Black Friday and incorporate them into your schedules.

Key takeaways

Do email campaigns work for gathering valuable product reviews that drive improvements, boost trust, and increase sales and loyalty? 

Absolutely — but they need to be strategic.

To generate sincere reviews and valuable data, ensure your marketing emails are personalized, engaging, and optimized for convenience. And, use email list segmentation and marketing automation to ensure they’re sent to the right customers at the right time.

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