{"id":"ia.aria-hidden","name":"aria-hidden misuse","verify":{"command":null,"rescan":"isagentready results {domain} --checkpoint ia.aria-hidden","expect":null},"fix":{"steps":[{"action":"Remove aria-hidden=\"true\" from the body element.","order":1,"language":null,"code_example":null},{"action":"Remove aria-hidden from links, buttons and inputs, or make them not focusable.","order":2,"language":null,"code_example":null}],"summary":"Remove aria-hidden from the body and from focusable elements.","skill":{"name":"content-semantics","anchor":"ia.aria-hidden"}},"category":"semantics","aggregate":null,"references":[{"title":"MDN aria-hidden","kind":"guide","url":"https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-hidden"},{"title":"WCAG Name, Role, Value","kind":"spec","url":"https://www.w3.org/WAI/WCAG22/Understanding/name-role-value.html"}],"stage":"read","lifecycle":{"introduced":"2026-08-24","revised":[],"retired":null,"replaced_by":null},"methodology_version":"2026-10-22","evidence_tier":"standard","evidence_source":{"title":"MDN aria-hidden","url":"https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-hidden"},"why":"aria-hidden=\"true\" removes elements from the accessibility tree. When applied to the <body> or to focusable elements, it corrupts the tree that AI agents navigate, causing them to miss content or encounter invisible controls.","profiles":["browser_agent_usability"],"score_role":"core","legacy_id":"3.14","i18n":{"nl":{"name":"Verkeerd gebruik van aria-hidden","steps":["Verwijder aria-hidden=\"true\" van het body-element.","Verwijder aria-hidden van links, knoppen en inputs, of maak ze niet focusbaar."],"why":"aria-hidden=\"true\" haalt elementen uit de accessibility tree. Op de <body> of op focusbare elementen beschadigt dat de tree die AI-agents gebruiken.","fix_summary":"Verwijder aria-hidden van de body en van focusbare elementen.","verify_expect":null}},"ar_practice_ids":[],"strength":"SHOULD","ar_mapping":"none","evidence_type":"recommendation","detail_url":"https://isagentready.com/en/methodology/checkpoints/ia.aria-hidden","maturity":"recommended","applicability":{"mode":"always","condition":null,"surfaces":["website"]}}