1. Practise healthy email list habits by segmenting

Strong email deliverability hinges on healthy lists. Regularly cleaning your list—removing unengaged subscribers before they mark your emails as spam—helps you make it into your recipients’ inboxes more reliably.

“Ignoring your click rate can get you in a bad spot with sender reputation, and then you have to crawl out of deliverability hell,” says Caleb Simpson, senior customer success manager at Klaviyo.

Ignoring your click rate can get you in a bad spot with sender reputation, and then you have to crawl out of deliverability hell.

Caleb Simpson, senior customer success manager

Klaviyo

Long story short, cleaning your lists and segmenting according to engagement can improve click rates because the relationship between click rate and deliverability is bi-directional: The more people click your emails, the better your deliverability rates. This leads inbox providers to give your emails better placement.

“Companies fear that by tightening their engagement segments, they’ll exclude potential buyers. But that doesn’t usually happen,” says Simpson, who’s seen brands move from the promotions tab to recipients’ primary inbox after excluding unengaged profiles from a send.

In Klaviyo, you can segment based on factors far beyond engagement, including whether a subscriber is on a certain list, their proximity to a location, and behaviours from web browsing to purchase habits.

The results play out: Tata Harper Skincare saw improvements in open and click rates by leveraging their engagement data and targeting strategic segments with this GWP campaign email. Segments created in Klaviyo included: 30-day engaged customers, active contacts (engaged in the last 90 days or signed up in the last 15 days), Loyalty members, and VIP customers.

Image source: Tata Harper

“Please don’t blast your list,” says Katherine Burlock, senior account strategist and data analyst at &BAM. “Even if it doesn’t affect deliverability—which it surely will—you’re hurting your reputation. There are a million ways to segment and personalise so you don’t overwhelm the inbox.”

There are a million ways to segment and personalise so you don’t overwhelm the inbox.

Katherine Burlock, senior account strategist and data analyst

&BAM

If you’re tracking your metrics using Klaviyo’s campaign reporting, Aguilar recommends using the audience breakdown report. This feature allows you to measure the efficacy of your campaigns by seeing which audiences are the most engaged with your campaigns, which have the highest conversion rates, and which are performing poorly.

Image source: Klaviyo

2. Start at the subject line

Of course, “If they’re not opening the email, they can’t click it,” says Simpson. “Use the subject line to build trust—it has to be consistent with the content of the email.”

If a reader opens an email to content that makes the subject line feel untrue, you may cost your business a subscriber.

Here are a few best practices for writing subject lines that drive opens:

• Personalise your subject lines using the reader’s first name and other zero- and first-party data, like recently viewed products, items ordered, abandoned products, or most-viewed products.
• If you’re including a discount, make sure it’s in the subject line.
• Use the preview text to communicate additional value or tease more of the content inside.
• When in doubt, run a subject line A/B test.
• Keep it short.

As Ashley Ismailovski, director of email marketing at SmartSites, points out, “Most emails are read on phones nowadays. This means that lengthy subject lines could get cut off before you get to any of the good stuff!”

With most emails read on phones nowadays, lengthy subject lines can get cut off before you get to any of the good stuff.

Ashley Ismailovski, director of email marketing

SmartSites

Recent research conducted by Klaviyo backs Ismailovski up. We found that the longer the subject line, the less likely subscribers are to open emails.

Image source: Klaviyo

3. Create a content test

Click-to-open rate (CTOR) is the measure of who clicked a link in an email—based only on who opened it. Because it measures the reaction of people who view the inside of an email, it’s a good way to evaluate your email content.

CTOR is not the same as a click rate, but it’s helpful in understanding if a content test is the best way to increase clicks. If your CTOR is low, it’s a sign that your email content needs some re-strategising. (Your click rate will thank you for it.)

What to test, content-wise

To start, Aguilar recommends asking yourself: Are calls-to-action (CTAs) front and centre, giving customers clean and clear opportunities to click?

Because best practices for the number and placement of CTAs vary depending on what you sell and your brand identity, it’s incredibly important to A/B test.

Try a content test making incremental changes to help you isolate a single variable and learn something specific about, say, the colour or placement of a CTA button, or how well lifestyle imagery converts vs. product imagery.

You can also test entirely different strategies and offers. For instance, do recent purchasers respond better to refer-a-friend incentive emails or cross-sell emails?

Best practices for content testing

If you go this route, schedule two email versions to go to two randomised groups on the same day and time. Try to keep email formatting similar to avoid introducing extra variables that might skew your results.

And if you use SMS, pay attention to differences between email and text messages. “Make sure not to send the same message in SMS that you just sent out via email. Use Klaviyo’s AI-driven message generator to craft a unique message for an SMS campaign that helps it compliment, but not copy, your email campaign,” says Aguilar.

Pro tip: Make sure to set up link tracking appropriately, Aguilar advises. “Some brands will link to a social page instead of a product page on their site, and their click rates will be low despite relevant content and clean CTAs.”

4. Optimise your emails for mobile

More and more people are using mobile devices to read their emails, so plan for that scenario.

When testing email design, make sure it looks great on small screens in addition to the standard desktop layout.

Ashley Ismailovski, director of email marketing

SmartSites

“Approach your emails from a mobile-first perspective,” says Ismailovski. “The large majority of emails are opened on smartphones instead of a computer or laptop. When testing your email design, make sure it looks great on small screens in addition to the standard desktop layout.”

The design team at Klaviyo recommends asking these questions:

• Is the font size optimised for readability?
• Is the text arranged in such a way that the meaning of the message is clear?
• Are modules stacking properly?
• Are images scaling without losing text readability?
• Are any links too close together, so that people might struggle to click on them?

Remember, too: Don’t include excessive CTAs within the same area. One CTA on a phone screen is often all your subscribers need.

Apparel brand AG Jeans sends this simple email that’s optimised for mobile, inviting customers to create an account. The entire email is visible without scrolling, and the CTA button makes it easy to scan for the action item.

Image source: AG Jeans

5. Be strategic about CTA placement​​​​​​​

If you need to include more than one CTA, a clear CTA hierarchy is essential to help recipients know what they’re supposed to do and to prevent confusion.

Milo McMahon, founder and lead strategist at Outdoor Ecommerce, says, “When click rates are below target, the first thing to ask yourself is, ‘Do I have a clear and strong CTA?’”

That mindset refers to not just the idea behind the CTA, but also the design.

If your CTA doesn’t stand out, the customer will keep scrolling.

Nichelle Hubley, founder and CEO

&BAM

“Use the squint test to check your email design,” suggests Nichelle Hubley, founder and CEO of &BAM. “Squint until the design blurs and see if you can tell where the customer should click. It should be super obvious. If your CTA doesn’t stand out, then the customer will keep scrolling.”

Jones Road Beauty sends this email with multiple CTAs, following several CTA-hierarchy best practices:

• The primary CTA at the top of the email directs the reader to all skin care for dry skin.
• Each CTA for individual purchase is descriptive but succinct, avoiding the repetition of “Shop now” multiple times in the same email.
• The hyperlinks in the paragraph are in pink to not distract customers from the primary CTAs while still providing helpful information.

Image source: Jones Road Beauty

“Different users are more likely to click on different elements of your email, so give them a few ways to reach your site,” McMahon adds.

6. Instil a sense of urgency

Triggering a sense of urgency is a classic way to show customers that clicking now is in their best interest.

Showing that an offer ends soon is one of the best ways to add urgency into your emails. Be careful not to create false urgency by “extending” deals that weren’t actually ending, or your customers might lose trust in your brand.

Apparel brand Born Primitive takes a direct approach to inspiring urgency. Eager shoppers are likely grateful for the crystal clear message, front and centre. They can act quickly to get the discount.

Image source: Born Primitive

But urgency doesn’t just have to coincide with a promotion. If a direct approach doesn’t feel authentic to your brand, or you don’t have a discount to highlight, don’t fret. You can lean on messaging that explains why your customer shouldn’t go another day without your product, or simply let them know a product is running low.

BABOON TO THE MOON subverts typical urgency conventions with this plain-text, low-key call to shop their recently back-in-stock items.

Image source: BABOON TO THE MOON

7. Choose your email send time wisely

Wouldn’t it be wonderful to get a perfect window for when your audience is most likely to open your emails?

The reality is, the best time for you to send emails to your audience depends on your business. That’s why you should run tests within your marketing automation platform to determine what the smartest email send time is for your customers.

“A/B testing send times is one of the most underrated strategies I see with brands,” says Brandon Matis, founder of Luxor Marketing. “Just by testing morning sends vs. night sends you might see an extraordinary difference in conversions.”

A/B testing send times is one of the most underrated strategies I see with brands.

Brandon Matis, founder

Luxor Marketing

The cadence by which you send your emails is crucial to click rate as well. Klaviyo recommends creating a sending schedule based on customer engagement, sending most frequently to highly engaged customers, and ramping down from there.

8. Create personalised, automated email flows

Creating automated email flows based on user behaviour—also known as nurture campaigns—allows you to deliver highly relevant content that’s more likely to earn clicks.

Automated email flows generate such high click rates because the content is inherently personalised to where the subscriber is in the customer journey.

Check out this abandoned cart email that Mary Ruth’s Organics sends when someone adds something to their cart but doesn’t check out. Abandoned cart email automations have the highest click rates among automations—6.98%.

Image source: Mary Ruth’s Organics

“Personalise your emails the best you can with the data you have,” says Tennessee Allgood, former lifecycle marketing senior manager at Stak Agency. “Personalisation will help your user experience stay relevant and keep customers coming back.”

Automated flows are high impact, low effort—and excellent for boosting click rates.

Check out the top 10 email marketing automations to see if there are any automations to add to your email strategy.

Pro tip: While most brands rightly focus their click rate energy on campaigns, Aguilar recommends auditing your flow content once a quarter. Average click rates in flows tend to be much higher, but that doesn’t mean they don’t need some attention every few months.