Data cells in tables larger than 3x3 should have associated headers

adaptable/td-has-header · WCAG 1.3.1 · Level A

Data cells in tables larger than 3x3 should have associated headers.

In complex tables, screen reader users need header associations to understand data cells. Use th elements with scope attribute, or the headers attribute on td elements. For simple tables (≤3x3), this is less critical as context is usually clear.

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Introduced in @accesslint/core v0.8.0