UnderstandableWCAG A

WCAG 3.3.1 — Error Identification

What this criterion requires

“Error Identification”

This criterion belongs to the Understandable principle (3.3 Input Assistance) and corresponds to WCAG Level A. Level A is the minimum required for compliance.

How to test this criterion

  1. 1

    Identify relevant elements

    Browse the page and locate all elements related to the “Understandable” principle. Use the browser inspector to examine the HTML code.

  2. 2

    Verify compliance

    For each identified element, verify it meets the conditions described by the criterion. Test with a screen reader (NVDA, VoiceOver) if necessary.

  3. 3

    Document findings

    Note each non-conformity with precise location in the code, a description of the issue, and the recommended fix.

What Scrutia detects

Scrutia automatically tests criterion 3.3.1during every audit. Our AI engine analyzes the HTML code, ARIA attributes, keyboard navigation and dynamic interactions to detect non-conformities related to the “Understandable” principle.

The generated report includes for each detected issue: the exact location in the DOM, an accessible explanation of the problem, and a copy-paste code fix.

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Other criteria in the “Understandable” principle