Layout tables should not contain “th” elements

Severity code: Information only

Tables which are used purely for layout (as opposed to data tables), <strong>should not</strong> contain <code>th elements, which would make the table appear to be a data table.

Example

Wrong

<table><tr><th>Sidebar</th><th>Content</th><tr><td>Navigation</td><td>Stuff</td></tr></table>