Error · empty-table-header
Table columns without a heading
Lighthouse / axe call it: Table header text should not be empty
A table has an empty header cell, so screen readers can't say what a column contains.
Who it leaves out: blind people (screen readers)
How to fix it
Put text in the header cell (or a hidden label). Developer task.
In the code
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Related errors
Automated testing covers roughly half of WCAG criteria; a full conformance claim also requires manual review. Technical information, not legal advice.