Alternative text (or alt text) is a description associated with the image in your Campaign. It enables visually impaired individuals to access visual information through screen readers.
When you add a visual element to a Campaign, you have the option to enter alternative text. This will be read aloud by assistive technologies, thereby improving the accessibility of your communications.
Best practices
Simply describe what the image shows.
Avoid symbols, special characters, or complex wording.
This option makes your campaigns more inclusive, without affecting their appearance.