Duckingtiger.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “<” is not serializable as XML 1.0.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “9078d82fd79ac75842146401-” for attribute “type” on element “script”: Subtype missing.
Stray end tag “di”.
End tag “nav” seen, but there were open elements.
Unclosed element “div”.
A slash was not immediately followed by “>”.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “<” not allowed on element “img” at this point.
Attribute “img” not allowed on element “img” at this point.
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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