Socialtalent.com W3C HTML Markup Validation
HTML markup errors and warnings
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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 “video/webm; codecs=vp9,vorbis” for attribute “type” on element “source”: Expected a token character, whitespace or a semicolon but saw “,” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Heading cannot be a child of another heading.
Element “ul” not allowed as child of element “h6” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “h6”.
Warnings:
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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