Today in Forge Federation general the subject of accessibility came up with a notice, that there is a knowledge gap in the community.
I happen to have some experience in the area (and even trained some colleagues). It’s a wide subject, so one can specialise in this niche
My personal focus is on the hard-of-hearing community for reasons but I know enough to share some guidelines.
Test with disabled people
There are tooling, but they can get you only so far. According to this report, you can find almost 60 % of issues using automated solutions:
https://www.deque.com/automated-accessibility-testing-coverage/
This is focussing on WCAG (Web Content Accessibility Guidelines) - that is, digital accessibility on the web.
That being said, real people will tell you things that you would miss otherwise. UX Research shows yet again its value.
Tooling
Deque’s aXe core is becoming a de-facto standard in the industry.
I personally use WAVE for a first evaluation:
(To be continued, thanks to limitation to two links per post for new accounts…)