Improve engagement and click-through rates on mobile devices.
On mobile devices, subject lines longer than 50 characters are cut off and only partly visible.
Certain emojis will not render on mobile.
Text smaller than 14pt is difficult to read on mobile devices, and titles over 24pt can create formatting issues like run-on lines. If your title is short, you can increase the text size to over 24pt. However, if your title is more than 4 words, you should keep it at 24pt or below.
If your image contains important information, reiterate this information as text in the email. Often images will not be automatically displayed on mobile devices.
Do this by dragging a button block onto your template and inserting a link. It is much easier to click a button on a mobile than a hyperlinked word. It’s ok to hyperlink words in your copy, but you should also provide a call to action button somewhere in the email, for easier clicking
You want to ensure the users have room to scroll and click, and that the layout does not become overwhelming on a small screen. Content without sufficient spacing can look very cluttered on small mobile displays. Consider increasing text height spacing to 1.5 line spaces. You can do this in your text editor by navigating to formatting options.
You can do this manually by reading the email on different devices or use a third-party inbox tester provider. Litmus is an excellent inbox tester that will show you how your emails render across all devices and inboxes.