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Robust 4.1 Compatible

Maximize compatibility with current and future user agents, including assistive technologies.


  • Write semantic, valid HTML.
  • Use ARIA to extend your HTML when needed.
Read the WCAG 4.1 Specification

Success Criteria

Depending on which level of compliance your website needs, the following criteria needs to be met.
Criterion Level Description
4.1.1 A All markup is formatted according to the language's specifications.
4.1.2 A Use name and role attributes when creating custom components.
4.1.3 AA Make users aware of important content changes with status messages.
Read about all WCAG 4.1 Success Criteria