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Get Started Free →Use when reviewing rendered HTML, interactive components, or design-system patterns related to Link table cells to headers using IDs. Check native semantics first, then inspect keyboard behavior, focus flow, accessible names, and screen-reader output where relevant.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-22 | ✗→✓ | ▲ Improved | 10% | 0% |
| case-14 | ✗→✓ | ▲ Improved | -15% | 0% |
| case-19 | ✓→✗ | ▼ Worse | -27% | 0% |
| case-02 | ✓→✓ | ＝ Same ✓ | 55% | 0% |
| case-03 | ✓→✓ | ＝ Same ✓ | -3% | 0% |
In complex tables with multi-level headers, explicit header-to-cell linking ensures screen readers accurately announce the relationship between data and its context.
headers attribute for complex tables where scope isn't enoughheaders attribute references valid id values of <th> elementsVerify that td headers attributes reference valid and existing th IDs.
Correct the headers attribute to reference the appropriate th IDs.
Explain when to use the headers attribute instead of scope for complex table structures.
Review the rendered markup and interactive states that affect Link table cells to headers using IDs. Flag exact elements, roles, labels, focus behavior, or keyboard interactions that violate the rule, and note how to verify the fix with browser accessibility tooling or assistive tech.
For full implementation details, code examples, and framework-specific guidance, see references/rule.md.
Rule page: https://frontendchecklist.io/en/rules/accessibility/td-headers-attr
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