Sau.edu.bd W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “local_scroll” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
Text run is not in Unicode Normalization Form C.
Errors:
No “li” element in scope but a “li” end tag seen.
Duplicate ID “local_scroll”.
End tag “a” violates nesting rules.
Stray end tag “span”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “for” attribute of the “label” element must refer to a non-hidden form control.
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