Add an alt
, aria-label
or aria-labelledby
attribute to the button that describes the button’s function.
The engine scans the page for <input type="image">
elements missing an alt
attribute.
.
Users who use assistive tools, such as screen readers, rely on descriptive information to detect the content and controls, such as a input or submit button.
<form>
<input type="image" src="submit.png" alt="Submit"/>
</form>