CAPTCHA purpose text alternative (captcha)
CAPTCHAs include a descriptive alt attribute or accompanying explanation for its purpose.
Non-descriptive alt text:
This CAPTCHA element has a non-descriptive text alternative:
CAPTCHAs include a descriptive alt attribute or accompanying explanation for its purpose.
Non-descriptive alt text:
This CAPTCHA element has a non-descriptive text alternative:
Note: Impossible to implement, because you need AI / human to check if the CAPTCHA image alt attribute is descriptive.
Above CAPTCHA has alt="Keyboard"