Most of the value in Accessibility Testing appears before anyone says done. The useful work is usually in the questions, the examples, and the evidence that changes the conversation.
My checklist for Accessibility Testing is not meant to turn testing into box-ticking. It exists so pressure does not erase the few important questions that protect keyboard paths, screen reader clarity, visual contrast, and respectful interaction design. The risk never stays theoretical for long, because a polished interface ships with controls that can be seen but not reliably used.
A good checklist keeps important risk visible when the room gets busy.
Before I Start
- Make the change area explicit
- Write down the most expensive failure in one sentence
- Confirm which users who depend on accessible interaction should review open risk
- Choose the environment that will tell the truth fastest
During the Check
- Exercise the normal path that should protect keyboard paths, screen reader clarity, visual contrast, and respectful interaction design
- Run an awkward-path example based on a form looks finished in screenshots yet announces the wrong labels to assistive tech
- Watch for mismatches between visible success and hidden state
- Capture the one detail that will matter during sign-off later
Before I Close the Work
I finish by asking whether the evidence would still make sense to someone who was not present during testing. For this topic, the evidence I want usually looks like keyboard walkthroughs, semantic checks, and notes from real assistive technology passes.
If the answer is yes, the checklist did its job. If the answer is no, I am not done yet. I keep the practice alive because it improves both release quality and team clarity at the same time.