The Incredible Accessible Modal Window, Version 4
This page demonstrates how to make a modal window as accessible as possible to assistive technology users. Modal windows are especially problematic for screen reader users. Often times the user is able to "escape" the window and interact with other parts of the page when they should not be able to. This is partially due to the way screen reader software interacts with the Web browser.
The Accessible Modal Window in Action
To see this in action, you just need to . If the modal window works as planned, once the modal window is visible you should not be able to interact with other links on the main page like going to the main GitHub page. If you can interact with the page behind the modal window, guidance is given for how to get back to the modal window.