Errors:
A slash was not immediately followed by “>”.
Duplicate attribute “http:”.
Duplicate attribute “ogp.me”.
Duplicate attribute “ns”.
Bad value “”og:” for attribute “prefix” on element “head”.
Attribute “http:” not allowed on element “head” at this point.
Attribute “ogp.me” not allowed on element “head” at this point.
Attribute “ns#” not allowed on element “head” at this point.
Attribute “fb:” not allowed on element “head” at this point.
Attribute “ns” not allowed on element “head” at this point.
Attribute “fb#” not allowed on element “head” at this point.
Attribute “article:” not allowed on element “head” at this point.
Attribute “website#”” not allowed on element “head” at this point.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Attribute “http:” is not serializable as XML 1.0.
Attribute “ns#” is not serializable as XML 1.0.
Attribute “fb:” is not serializable as XML 1.0.
Attribute “fb#” is not serializable as XML 1.0.
Attribute “article:” is not serializable as XML 1.0.
Attribute “website#”” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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