Identify screen reader to display alternatives

Is it possible to identify when a screen reader is accessing your course, so as to redirect it (seamlessly) to an AODA friendly version for slides that contain non-compliant activities (drag and drop, etc.)? My thought is to have 1 course with alternate slides available, but hidden, that would be swapped in for the screen readers, as needed. I’d like for it to happen on the fly (no interaction needed by the learner who is using the assistive device). Any advice or […]