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Provide authentication methods that don't require solving puzzles, remembering passwords, or transcribing text.
Why it matters: CAPTCHAs and memory tests exclude users with cognitive disabilities.
A cognitive function test (such as remembering a password or solving a puzzle) is not required for any step in an authentication process unless that step provides at least one of the following: (Alternative) Another authentication method that does not rely on a cognitive function test. (Mechanism) A mechanism is available to assist the user in completing the cognitive function test. (Object Recognition) The cognitive function test is to recognize objects. (Personal Content) The cognitive function test is to identify non-text content the user provided to the Web site.
What This Means: This success criterion requires that authentication processes do not require cognitive function tests (like CAPTCHAs, password memorization, or puzzle-solving) unless alternative accessible methods are provided. Cognitive function tests can exclude users with cognitive disabilities, memory impairments, or other conditions that affect cognitive function.
Why It's Important: Traditional authentication methods like CAPTCHAs, complex password requirements, or puzzle-solving can create barriers for users with cognitive disabilities. These users may be unable to complete cognitive function tests, effectively preventing them from accessing services. Providing alternative authentication methods ensures that all users can authenticate successfully.
Provide alternative authentication methods that don't require cognitive function tests. Use methods like biometric authentication, hardware tokens, or email/SMS verification. If cognitive function tests are necessary, provide accessible alternatives. Use object recognition or personal content recognition as alternatives to text-based CAPTCHAs. Provide mechanisms to assist users in completing cognitive function tests when they are required.
This criterion ensures that users with cognitive disabilities can access and understand the content, improving their overall experience and ability to use the website effectively.
This criterion ensures that users with memory impairments can access and understand the content, improving their overall experience and ability to use the website effectively.
This criterion ensures that older users can access and understand the content, improving their overall experience and ability to use the website effectively.
Impact: When this criterion is properly implemented, it removes barriers for these user groups and creates a more inclusive web experience for everyone.
This success criterion benefits the following user groups:
Tip: Use this checklist during development and testing to ensure all requirements for 3.3.8 Accessible Authentication (Minimum) are met. Check off items as you complete them.
Note: These are official W3C resources for 3.3.8. For the most up-to-date information and detailed technical guidance, always refer to the official W3C documentation.
Implementing 3.3.8 Accessible Authentication (Minimum) correctly requires understanding your specific context. Code solutions vary significantly based on multiple factors:
HTML, React, Vue, Angular, PHP, Python, and other frameworks each have different patterns and best practices.
Server-side rendering, client-side rendering, static generation, and hybrid approaches require different solutions.
Your existing components, styling approach, and UI library influence how accessibility must be implemented.
Your specific user base, content type, and interaction patterns determine the most appropriate implementation.
We provide tailored implementation guidance by analyzing your specific technology stack, coding patterns, design system, and project requirements. Our team reviews your codebase and provides custom solutions that integrate seamlessly with your existing architecture.
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