Users must be able to access the content as technologies advance (as technologies and user agents evolve, the content should remain accessible).

Information and user interface components must be presentable to users in ways they can perceive. This means that users must be able to perceive the information being presented (it can't be invisible to all of their senses).

2 Guidelines

Is your Content Robust

The questions below are designed to assist you in determining if your website, application, and/or content is robust to people with disabilities. Each question is linked to in-depth information, resources, and examples on how to apply the guidelines to our products.

  • Parsing: To ensure proper parsing, is your site or application code complete and schematically correct according to specifications? For example: are elements nested correctly, free of duplicate attributes, attributes are properly used, and are all IDs unique? (Success Criterion 4.1.1 – Level A)
  • Name, Role, Value: Does your site or application deviate from using standard HTML controls according to the specification? If so, are you ensuring that the name, role and value of any developed custom controls or scripted interface element can be determined and controlled by assistive technology? (Success Criterion 4.1.2 – Level A)