This is a rather technical article, but if you’ve ever wondered why screen readers sometimes read one type of information, such as a label on a form field and sometimes another, such as a description, this may help explain.

The Text Alternative Computation Over the years, there has been a lot of confusion about the W3C Text Alternative Computation and how this works, especially when influenced by the addition of CSS and ARIA attributes. As a bit of forewarning, this article is not primarily meant for general web developers, though having an understanding of ...Read more

Source: How the W3C Text Alternative Computation Works - SSB BART Group