W3C Validation error Section lacks heading. Consider using h2-h6 elements to add identifying headings to all sections. (Example) | Treehouse Community
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HTML Standard
Warning: Section lacks heading. Consider using h2-h6 elements to add identifying headings to all sections.
Warning: Section lacks heading. Consider using h2-h6 elements to add identifying headings to all sections.
css - Warning: Article lacks heading. Consider using h2-h6 elements to add identifying headings to all articles - Stack Overflow
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aria role not allowed on aside (dialog) element (per w3c validator) · Issue #2226 · material-components/material-components-web · GitHub
Validation of webcompat rendered HTML · Issue #2472 · webcompat/webcompat.com · GitHub
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Headings and sections
validator warnings: Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections. · Issue #1678 · w3c/aria-practices · GitHub
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