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W3C WCAG · WCAG-1-3-INFO-RELATIONSHIPS

W3C WCAG 1.3.1 Info and Relationships (Level A)

Ensure that information, structure, and relationships conveyed visually are also available programmatically through semantic markup or explicit text

CRITICALRequirementDesign defaultsTechnical standardIn forceApplies from 5 October 2023

Where this comes from

Provision: 1.3.1 Info and Relationships (Level A)

Instrument: W3C Web Content Accessibility Guidelines (WCAG) 2.2

Citation: W3C, Web Content Accessibility Guidelines (WCAG) 2.2, Success Criterion 1.3.1 Info and Relationships, Level A, W3C Recommendation 05 October 2023

Text version: WCAG 2.2

Read the official text ↗

Who it applies to

It applies when all of these are true:

  • Service type — any answer

What engineering work it implies

Sample acceptance criteria Landfall generates for this obligation:

  • Headings use <h1>-<h6> in correct hierarchical order with no skipped levels
  • Lists use <ul>/<ol>/<dl>; data tables use <table> with <th> and scope/headers
  • Every form control has a programmatically associated <label> (or aria-label/aria-labelledby)
  • Visual groupings and relationships are conveyed via semantic HTML or ARIA, not CSS presentation alone
  • Unit tests cover the core logic (aim for >80% coverage on new code)

Questions people ask

Does W3C WCAG 1.3.1 Info and Relationships (Level A) apply to my service?
It applies when Service type — any answer.
From when does this apply?
W3C WCAG 1.3.1 Info and Relationships (Level A) applies from 5 October 2023. Its current status is: in force.

Find out whether this one lands on you

Landfall's pre-scan answers the applicability question above for your product in minutes, then turns every obligation that applies into traceable engineering tickets with a citation chain your auditors can follow.

Run the pre-scanAll W3C WCAG obligations

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