Quality Matters (QM) is a longstanding organization dedicated to the development of a methodology for the evaluation of online education, broadly known by its QM rubric. They have recently published a series of articles looking at Digital Accessibility. The second white paper summarizes the findings of a benchmarking survey answered by sample of 273 higher ed institutions. The survey looks at the use of different accessibility practices across organizations, and level of effort demanded by them.
Overall, we have seen increased interest and efforts to improve the quality of our courses, but there is still room for improvement for multimedia and video where caption/transcription or the use of multiple/alternative content formats are technically challenging and not seen as cost effective.