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Perplexed Owl Random Ponderings

Benjamin ‘Benilda’ Key:

Data table with caption but no th

Screen Reader Reliability Testing


The following table is an example of a common accessibility issue with tables. In this table the th element is not used to indicate that a table cell should be interpreted as a header cell instead of a data cell; instead the td element is used and text style is used to visually indicate that the cell should be interpreted as a header cell.


Data table caption
Morning Afternoon
Free Busy

Additional information

For information on why this is an accessibility issue see F91: Failure of Success Criterion 1.3.1 for not correctly marking up table headers.

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