UDOIT Barrier Fix Video: Images Should Not Have Placeholder Alternative Text
Alternative Texts should be descriptive. Putting in placeholder words like "spacer" or "placeholder" does not convey information to users that may be using a screen reader. We'll go over how to fix this barrier. 

Here is a video showing how alternative text looks to screen readers: https://www.youtube.com/watch?v=9rgI-kLvelc&t=2s