WCAG 1.3.1: Info and Relationships

Information, structure, and relationships conveyed through presentation must be programmatically determinable.

Perceivable Level A Critical Impact

Check if your website passes WCAG 1.3.1

Common Failures

Using visual styling instead of semantic HTML, tables without headers, form inputs without labels, heading hierarchy gaps.

How to Fix

Use semantic HTML elements (h1-h6, nav, main, table headers). Associate labels with form controls. Maintain logical heading hierarchy.

How EAAPass Tests WCAG 1.3.1

EAAPass automatically tests WCAG 1.3.1 (Info and Relationships) using three engines simultaneously:

  • axe-core — Checks DOM elements against the 1.3.1 rule set
  • Google Lighthouse — Validates accessibility in the context of overall page quality
  • Pa11y — HTML_CodeSniffer integration for WCAG-specific testing
  • AI Validation — Claude AI reviews ambiguous results to eliminate false positives

Results are mapped to the Perceivable POUR principle and scored based on severity and frequency.

Industries Most Affected by WCAG 1.3.1

E-Commerce & Online Retail Banking & Financial Services Government & Public Sector Education & E-Learning SaaS & Software Platforms Insurance

Other WCAG 2.1 AA Criteria

WCAG 1.1.1 Non-text Content Perceivable WCAG 1.4.3 Contrast (Minimum) Perceivable WCAG 2.1.1 Keyboard Operable WCAG 2.4.4 Link Purpose (In Context) Operable WCAG 3.1.1 Language of Page Understandable WCAG 3.3.1 Error Identification Understandable WCAG 4.1.2 Name, Role, Value Robust

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