Provide alternate audio CAPTCHAs to support visual CAPTCHA tasks
Make sure alternate audio CAPTCHAs are also provided and serve the same purpose
Regular CAPTCHA images rely on a user’s ability to see an image and report what it contains, but not everyone can do that easily. When users are visually impaired or simply can’t figure out what characters the image contains, the only option is often to rely on a different version of the CAPTCHA. By providing alternate CAPTCHA tasks that use different modalities, such as audio, users are more likely to be able to complete one of the tasks successfully.
5 stars; 90.9% of tests passed. [Note: this rating is a work in progress.]
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