Inaccessibility of CAPTCHA – W3C Report

by | Jul, 2019

Captcha Logo When it comes to designing web applications that fit into our websites, safety is a priority. One of the most widely used ways of determining the identity of a user and keeping a site safe is through a tool called CAPTCHA.

CAPTCHAs help determine whether a user is a human or a robot. They request that a site visitor click on certain images or type in a certain code of numbers and letters to demonstrate that they are in fact human. However, CAPTCHAs present a unique accessibility challenge for users with a wide range of disabilities, from vision impairments to intellectual disabilities to physical disabilities, that may keep them from being able to complete CAPTCHA forms. The inaccessibility of CAPTCHAs is something we need to keep in mind when designing a website’s safety features.

Read more about how CAPTCHAs can be inaccessible and explore alternative options that meet your users’ unique needs in this report by the World Wide Web Consortium (W3C).

The World Wide Web Consortium’s commitment to lead the Web to its full potential includes promoting a high degree of usability for people with disabilities. The Web Accessibility Initiative is an initiative of the W3C.

WAI develops its work through W3C’s consensus-based process, involving different stakeholders in Web accessibility. These include industry, disability organizations, government, accessibility research organizations, and more. Learn more at https://www/

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