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”.
The “scheme” attribute on the “meta” element is obsolete. Use only one scheme per field, or make the scheme declaration part of the value.
Bad value “shorturl” for attribute “rel” on element “link”: The string “shorturl” is not a registered keyword.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Attribute “collectionmeta” not allowed on element “meta” at this point.
Attribute “checksum” not allowed on element “meta” at this point.
Attribute “articleid” not allowed on element “meta” at this point.
Attribute “siteid” not allowed on element “meta” at this point.
Attribute “enable” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
Bad value “schema.dc” for attribute “rel” on element “link”: The string “schema.dc” is not a registered keyword.
Bad value “schema.prism” for attribute “rel” on element “link”: The string “schema.prism” is not a registered keyword.
Bad value “schema.iptc” for attribute “rel” on element “link”: The string “schema.iptc” is not a registered keyword.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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