duplicate-id-aria
Verify the uniqueness of each id attribute value utilized in ARIA and labels.
Severity: Critical
Description
Each id attribute value in ARIA or form labels must be distinctive to avoid assistive technology oversight. This means that each ARIA and label ID values must remain unique within the document, ensuring proper element differentiation.
Why is it important?
Common validation errors like duplicate IDs can jeopardize label accessibility.
How to fix?
Ensure every id used in ARIA attributes and for attributes on a label is unique; any duplicate id values must be renamed.
References
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