Ncdp.org 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 first occurrence of ID “primary-navigation” was here.
The first occurrence of ID “Layer_1” was here.
Attribute “true'” is not serializable as XML 1.0.
Empty heading.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “autocorrect” not allowed on element “input” at this point.
Attribute “autocapitalize” not allowed on element “input” at this point.
Duplicate ID “primary-navigation”.
Duplicate ID “Layer_1”.
No space between attributes.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Bad value “” for attribute “aria-hidden” on element “i”.
Attribute “true'” not allowed on element “i” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “main”.
Stray end tag “main”.
Stray end tag “div”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
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