How to create a report on accessibility tools that visited my page?

[El_Norberto]

You know, screen readers, mobile accessibility APPs or others...

[brentrad · Accepted solution]

There won't be a specific user-agent string to look for, but you could try to detect things like images being disabled or high contrast mode being enabled via JavaScript. Check out https://stackoverflow.com/questions/31740637/detect-if-browser-disables-images and https://stackoverflow.com/questions/55241841/high-contrast-mode-on-mozilla-browser.