Badgut.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:addthis” not allowed here.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “retina_logo_url” not allowed on element “img” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:addthis” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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