Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
A slash was not immediately followed by “>”.
Attribute “type"text” not allowed on element “link” at this point.
Attribute “css"” not allowed on element “link” at this point.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “xmlns:v” not allowed here.
End tag “main” seen, but there were open elements.
Unclosed element “div”.
Unclosed element “section”.
Stray end tag “div”.
Warnings:
Attribute “type"text” is not serializable as XML 1.0.
Attribute “css"” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “banner” role is unnecessary for element “header”.
Attribute with the local name “xmlns:v” is not serializable as XML 1.0.
The “main” role is unnecessary for element “main”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
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