emoji for emails
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    Emojis are the pineapple on pizza for marketers. 

    Some love them, some hate them, but I’ve never met anyone indifferent to them. The idea for this article came to me when I myself got annoyed by a particularly irritating 😛 email emoji in my inbox on a busy Monday morning.

    There’s no way emoji for emails can work,” – I thought, but I had to check.

    And so I did. There are multiple articles on emojis in emails, but all of them seem to be losing their relevance in 2019, which is why I have collected the most relevant data to create the Ultimate Guide To Emoji For Emails.

    Outline:

    1. Do emojis improve email open rate?
    2. Do emojis improve the CTR?
    3. Should I use emojis in email subject lines?
    4. Are there cons to emoji for emails?
    5. Things to check before using emojis in email?
    6. Tips for using emojis in email subject lines

    Do emojis improve email open rate?

    Short answer: Sometimes.
    Long answer: It depends on many factors, including timing, audience, and emojis used

    Having read and analyzed multiple studies, we can say one thing for certain –  there is no sure-fire formula for using emojis that will give you an improved open rate every time. Here’s why.

    Timing ⏰

    One of the more recent studies on emojis in email from 2017 found that some seasonal and themed emojis do improve open rate, while others majorly reduce it. This unpredictability is what makes it so hard to give a definitive answer on emojis’ effectiveness.

    New Year's most popular emojis statistics

    Source: ReturnPath

    Check the stats on this New Year’s promotion above. Pay attention to the two control rates: 18% read rate and 0.11% complaint rate.

    The Top 3 emojis performed 3-4% better than average in terms of read rate, yet received 2-4 times the average complaint number. What does this tell us? That emojis don’t provide consistent results. Let’s check another example.

    Valentines day most popular emojis statistics

    Source: ReturnPath

    With the average Valentine’s Day promo stats of 20% read rate and 0.19% complaint rate, this seemingly similar promo shows us more positive results. Top 3 emojis yielded a 2-4% better read rate, yet received much lower complaint rates.

    Note that the read rate with and without emojis is on average the same when compared to the All Promo Email average stats.

    Emojis used 😊

    As we’ve seen in the first graph, different emojis receive different reactions. In another great study from 2018, Braze found that ❤️ is currently the most commonly used emoji. Bear in mind, however, that the less popular emoji you use, the higher the chances to catch your recipient’s attention in the crowded inbox.

    Why? Because the insane popularity of the heart emoji means that the audience now is seeing a lot of messages with the same emojis again and again, quickly growing tired of this once exciting marketing trick. This is confirmed by another big study from Phrasee, according to which 100 most common emojis make up 66% of all emojis used in email subject lines. 

    top 20 most popular emojis in emails

    Source: Phrasee

    As of summer 2019, there are 3,019 emojis, with hundreds of new emoji candidates planned for 2020. If you’re not afraid to use emojis in the first place, why not experiment with some of the underrated ones? Why not try to use this little fella 🐌 in your next campaign?

    Audience 👧👴🏽👨‍👩‍👧

    Many are convinced that the success of emojis depends on how well you know your buyer persona, and they are correct. Sometimes, that includes understanding that emojis are not for your audience, too.

    Younger vs older

    Common sense would tell you that younger audiences like Millennials and Gen Z are more likely to engage with emojis, and research confirms that. A survey from 2017 found that 68% of millennials prefer communicating with emojis and gifs, and only 37% of those over 65 agree with them. We can only assume the % is even higher among Gen Z. 

    B2B vs B2C

    B2B emails tend to take on a slightly more serious tone, which makes using emojis in emails not just risky, but inappropriate. This is because B2B emails are closer to professional communication than a massive email campaign, and research on email faux pas shows that emojis are considered unacceptable by 30% of respondents, so save that for close business contacts.

    Existing customers vs cold leads

    Don’t underplay the importance of your relationship with subscribers. Emojis bring a sense of familiarity with them, which at times is not something you can afford with cold leads. For example, a 2017 study called Effects of Smiling Emoticons on Virtual First Impressions found that “…Smileys do not increase perceptions of warmth and actually decrease perceptions of competence. Perceptions of low competence in turn undermined information sharing.

    Women vs men

    A 2016 study by Braze (formerly Appboy) found that men are more likely to have a negative reaction to emojis (13% vs 4%). This great chart from the study shows even more details about how people view brands using emojis in messages (including email).

    brands using emojis

    Source: Braze.com

    This same study also researched the channels through which people are most open to brands using emojis, with text messages receiving 37%, social media – 28%, and email getting 14%.

    Location 

    In a somewhat unexpected turn, a study by Mailjet found that among Spain, France, the UK and the US, each country had radically different reactions to emojis. In France, all tested emojis in subject lines resulted in lower open rates (-11%), while in the US and the UK the use of emojis showed a growth in open rates (+42% and +62% respectively).

    Do emojis improve the CTR?

    Yes and no. Emojis increase the CTR in a lot of mediums. However, it hasn’t been proven that email is one of them. 

    The closest stats we have are from a research that claims that 45% of consumers “like brands that do not take themselves too seriously”. But claiming that the human-ness of emojis will improve your CTR is a reach. Instead, why not try personalization.

    Should I use emojis in email subject lines?

    If you are looking for reasons to use emojis that aren’t connected to improving your CTR or open rates, there’s plenty.

    • Emojis can convey more information is less characters.
      According to a 2017 report by Edison, 85% of American use smartphones to access their email, which means you have to pique their interest in 40 characters or less. Email emoji are a perfect trick to achieve that.
    • Emojis have a higher ability to convey emotion.
      And more emotions means your email is more memorable to the recipient. They are also a great way to convey humor.
    • Email emojis still stand out in the inbox.
      While the peak of emoji popularity probably falls somewhere around 2015, it is still pretty unusual to find one in your inbox in 2019. Which means it will catch your recipients’ attention. Plus, they add color in emails.
    • Emojis can help build brand recognition.
      If you happen to find an emoji that seems to perfectly represent your brand’s image, it might be a great idea to use it in an email. If you have an emoji idea in mind, you can even submit your own to Unicode. A consistent but balanced use of emojis in email newsletters can also help.
    • Emojis feel relatable to younger generations.
      Emojis are a separate language and if you happen to come across a new emoji or a combination popular within your target demographic, you might see a rise in your statistics.

    Are there cons to emoji for emails?

    The influence of emojis is too unpredictable to have any tangible reasons against them. The misuse of them, however, can be disastrous.

    • Stylistic preferences
      While we’ve established the stats by age, gender, profession, location etc., it’s important to remember that humans are not just numbers, and even if your emoji subject line performed well in testing, a personal stylistic preference of the recipient may not always be in line with the majority. Use your critical thinking, especially when working with individual emails and not campaigns.
    • Different rendering on different platforms
      We’ll dwell on this a little more further on, but as you may know, different platforms display emojis differently. Be mindful of that.
    • Gradual loss of novelty
      Many have expressed worry that email marketers might soon oversaturate the emails with emojis. This worry is not unfounded: another research from Mailjet found that the growth in open rates caused by emojis has been gradually going down from 31.5% in 2016 to 28.1% in 2017.
    • Boosting impact
      Emojis enhance the initial subject line, meaning bad lines will seem worse, and good lines will get better. It’s unwise to expect a good emoji to save your subject line. Make sure every element can stand on its own.
    • Triggering of spam filters
      While this point has not actually been studied or proven, I feel the need to include it just in case. Be mindful of the number of emojis you are including in your subject line, as they may be why your email lands in the spam box (though these 26 tips on how to avoid spam filters might help).
    • Ambiguity
      According to Oxford University Press article, some emojis can be too ambiguous in meaning. Consider this to avoid any awkwardness and have a few people from your team double check to make sure your message is coming across correctly. And best avoid 🍑, 🍆, or 💦 emojis.

    Things to check before using emojis in email

    When it comes to emojis in subject lines, there’s really only two things you should definitely check.

    A/B test 👎👍

    Like with any other email campaigns, you have to A/B test your subject line. You need to do this to make sure your audience is responding the way you need it too. There really isn’t much else to say about this: test the emoji subject lines on a small sample of your email list and compare the results to a control group. You can do this for free by launching a small email drip campaign with Snov.io’s email sequences tool and check the open and click rates in real time.

    Rendering 😱

    Incorrect rendering of emojis is what’s stopping a lot of marketers from using them en masse. There are two main problems: emojis may appear different on different platforms and operating systems, conveying the wrong message, or they may not show up at all. These may seem like major problems, but the truth is they are easily solved.

    For this you will need a couple of resources. First, check out this table from EmailOnAcid.com.

    emoji rendering

    Source: EmailOnAcid.com

    Once you’ve checked this, take a look at this table from Campaign Monitor to check which platforms support emojis in subject lines.

    emoji rendering

    Source: Campaign Monitor

    Now that you’re sure your emojis will show up in the email subject line, check if they will be rendered the way you need them to to best convey your message. For this, you can use the following resources:

    • Full Emoji List by Unicode will help you see how your emoji will be rendered across different platforms.
    • Emojipedia serves a similar purpose, plus makes it easy to find and copy paste necessary emojis.
    • Caniemoji.com lets you check the current status of native emoji support across iOS, Android and Windows.

    Please note that even though Gmail will always display emojis, if you try to copy paste the Gmail emoji from email body to email subject line, you will see a ☐ instead. Use one of the resources mentioned above. 

    If for some reason your emoji doesn’t display right, you have to make sure your subject line doesn’t suffer because of it. 

    Tips for using emojis in email subject lines

    There isn’t much that’s not been covered already, but I’ve gathered a couple of additional tips anyway:

    • Establish clear guidelines on emoji use for your team based on the research and testing of your target audiences.
    • Make sure your subject line is great even without the emoji.
    • Ask yourself if you’re using the emojis just for the sake of using them (and if yes, then probably don’t).
    • Analyze your stats regularly to make sure you’re not overusing emojis to the point where it hurts your campaigns.
    • Make sure your emojis are inoffensive. Get a second opinion if you’re not sure.

    Conclusion

    It’s safe to say that emojis are a very neutral element of email subject lines. They do not affect the statistics enough to talk about any revolutionary approaches. The truth is, email emoji are simply fun and sometimes that’s good enough to spice up your campaigns.

    The open rates and CTR depend more on the full subject line and other elements of your email, so make sure to pay enough attention to those. If you do choose to use emojis in your email subject lines, don’t forget to target, test, and check emoji rendering. 

    Good luck!

    This article has originally appeared on the Growth Hackers blog under the title
    🔥 A Comprehensive Guide To Using Emojis In Email Subject Lines.

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    Dana Rudenko is the chief editor at Snovio Labs, bringing you the freshest marketing content and exclusive insights from the world's most successful startups. In her free time you can find her creating playlists, gardening, or googling dogs in cowboy costumes.

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