Techniques for WCAG 2.0

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G144: Ensuring that the Web Page contains another CAPTCHA serving the same purpose using a different modality


Applies to all technologies.

This technique relates to:


The purpose of this technique is to reduce occasions in which a user with a disability cannot complete a CAPTCHA task. Because there are alternate CAPTCHA tasks that use different modalities, a user is more likely to be able to complete one of the tasks successfully.




For each CAPTCHA in a Web page

  1. Check that the Web page contains another CAPTCHA for the same purpose but using a different modality.

Expected Results