Add a value attribute describing the element’s function to the
Engine scans for
<input> elements with type submit, reset or button missing a value attribute
Assistive technologies use the accessibility API to extract the button’s name by the text associated with that element. Users who use assistive tools, such as screen readers rely on that text to understand the purpose of the button.
<input type="image" src="/example_"buy.gif" alt="example_buy" />