E-Commerce Accessibility: Specifying UI Elements Using “Names”

For users relying on assistive technology such as screen readers, it’s … critically important to have programmatically determined names identifying various UI elements. … Doing so consistently with all interactive page elements will help ensure users using assistive technologies will be able to navigate through a site and complete a purchase successfully.

Could not have said it better myself. This article is chock full of excellent advice, not only on why names are important, but how to ensure your interactive components are properly named.