Why and how to use images in an email

Why and how to use images in an email

Did you know that an image is perceived by the human brain 60,000 times faster than text, according to 3M Corporation ? The human eye is therefore more attracted to an image than to a text. The use of the latter in an email is a particularly effective method to quickly get a message across and make an impression. It is in this logic that image has taken an important place in today's email marketing strategies. However, certain rules must be applied if you want to integrate images effectively into your emails: image size, image format, text structure, etc.

Signitic Uncover the use of images in emails !

Why use images in an email?

An image in an email improves the readability of your message

Using images in your email is very useful for air out the message, illustrate it, or make it more appealing to the eye. Text that is too heavy can limit readability and even make the email recipient stop reading further. Adding one or more images can therefore help the reader better understand the message and identify your brand more easily, because the email will be in your image!

An email marketing campaign with images improves the engagement rate

According to the statistics compiled in 2020 by Snov.io, The click rate of emails with images is 4.5% higher than emails that consist exclusively of text : a boon for businesses wanting to improve their email marketing campaign! Indeed, an image is always more appealing than a textual call to action.

However, for an optimal effect it is necessary to add text before, after or on the photo to Encourage the recipient to click on it. It is in fact possible to insert a link in the image to redirect the recipient to your website, your product, your landing page, etc. This method is also particularly used in B to C (business to consumer) in order to promote products or services to targeted prospects.

The rules for adding an image to an email

Don't overlook the importance of text in email

While images are of major importance to give more impact to your message, they should not be abused, at the risk of having your email end up in the recipient's spam folder. To avoid this inconvenience, the rule is simple: 60% text for 40% image. Therefore, the ratio between text and images will be respected and your email will be able to pass the anti-spam filters.

In addition, some mailboxes Block the automatic display of images. To overcome this problem, you can add text with an ALT attribute in order to Describe the image in case it is not displayed correctly.

Choose the most relevant image format in an email

Did you know that it exists different image formats to personalize the sending of your emails? You can choose between three different formats:

  • The JPEG is the format to use if your image is very colorful. This format has the advantage of being the least cumbersome for your emails and allows quick sending. However, JPEG may reduce image quality if the file is compressed;
  • the PNG: This format is recommended for images with a transparent background such as a logo or a small illustration. In addition, PNG makes it possible to keep the quality of the image intact, regardless of its size;
  • The GIF is the best format for adding an animation to your email. Also, the image quality remains the same even if it is compressed.


Use the right size and weight of an image for your email

The ideal image size for An email display is 600 pixels wide for computers and 320 pixels wide for mobile phones. Indeed, Your email must be responsive, that is to say that it must be able to be read on all media: computers, mobile phones or even tablets! You should therefore pay attention to the size chosen to guarantee the good visibility of your image.

In addition, for the sake of visibility, we recommend that you use images that do not exceed a weight of 1000 KB, for faster viewing and less time to download.

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