If you have a concrete topic in might, it can be useful to checkout the guidelines on WCAG (w3.org/TR/WCAG21/) - that's where you can be sure you comply with the rules.
In terms of tools, here is also an extensive list: w3.org/WAI/ER/tools/
And shout out to Stefan Judis who put together a great list of further reading and many interesting resources about accessibility: https://www.stefanjudis.com/useful-accessibility-resources/?utm_source=stefanjudis&utm_medium=email
Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment's permalink.
Hide child comments as well
For further actions, you may consider blocking this person and/or reporting abuse