Registry · Perceivable
1.4.10 — Reflow
Level AA Perceivable
Operational summary
IF content scrolls vertically, test at a width equivalent to 320 CSS pixels; IF horizontally, test at a height equivalent to 256 CSS pixels. Preserve information and operation without two-dimensional scrolling, apart from parts whose use or meaning genuinely requires a two-dimensional layout.
This is an original implementation summary, not replacement normative text. The sources below supply the precise requirement, its definitions and its qualifications.
Primary sources
Registry record
Applicability and assessment start unset by design — no product has been evaluated. Instantiate the entry for an actual product, assign an owner and retain evidence.
{
"criterion_id": "1.4.10",
"level": "AA",
"name": "Reflow",
"rule_definition": "../03-WCAG22-AA-REGISTRY.md#sc-1-4-10",
"normative_source": "https://www.w3.org/TR/WCAG22/#reflow",
"understanding_source": "https://www.w3.org/WAI/WCAG22/Understanding/reflow.html",
"applicability_status": "NOT_EVALUATED",
"assessment_status": "NOT_TESTED",
"owner": null,
"test_instance_ids": [],
"exception_evidence_ids": []
}