Read: “How accessibility trees inform assistive tech” by by @hdv on the @MozHacks blog

The web was designed with built-in features to make accessibility possible; these have been part of the platform pretty much from the beginning. In recent times, inspectable accessibility trees have made it easier to see how things work in practice. In this post we’ll look at how “good” client-side code (HTML, CSS and JavaScript) improves the experience of users of assistive technologies, and how we can use accessibility trees to help verify our work on the user experience.