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Use when reviewing rendered HTML, interactive components, or design-system patterns related to Use semantic table markup for screen readers. Check native semantics first, then inspect keyboard behavior, focus flow, accessible names, and screen-reader output where relevant.
Passed 17 of 22 test cases with the skill, and 15 of 22 without it.
2 fixed15 passed either way5 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
This benchmark measured an earlier version of the skill.
One of 2 test cases the skill fixed. Same model, same prompt, with and without the skill.
Explain what a screen reader user experiences when navigating through a data table that uses `<td>` elements with bold CSS styling for headers instead of semantic `<th>` elements.
| Checked | Without skill | With skill |
|---|---|---|
| Explains that screen readers treat styled `<td>` header cells as `role="cell"`, preventing header announcement during table cell arrow key navigation | Missed | Passed |
The instructions your model reads when the skill loads.
Screen readers read table data cell-by-cell—without proper headers, users hear meaningless numbers without context. 'Row 3, Column 2: $99' vs just '$99'.
scope is often a stronger finding than missing <caption>Verify tables use proper th elements with scope, caption or aria-labelledby, and semantic table structure.
Add proper table headers with scope attributes, captions for context, and ensure tables are not used for layout.
Explain how proper table markup helps screen reader users understand data relationships and navigate table content.
Review the rendered markup and interactive states that affect Use semantic table markup for screen readers. 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/rules/accessibility/accessible-tables
test cases passed, vs 15 / 22 without
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