Errors:
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
Bad value “Expires” for attribute “http-equiv” on element “meta”.
Attribute “ref” not allowed on element “link” at this point.
Element “link” is missing one or more of the following attributes: “itemprop”, “property”, “rel”.
Element “dl” is missing a required child element.
Element “a” not allowed as child of element “dl” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “img” is missing required attribute “src”.
Bad value “0.0” for attribute “version” on element “svg”.
Stray end tag “svg”.
Attribute “xmlns:rdf” not allowed here.
Attribute “xmlns:svg” not allowed here.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
An element with “role=tab” must be contained in, or owned by, an element with “role=tablist”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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).
Attribute with the local name “xmlns:rdf” is not serializable as XML 1.0.
Attribute with the local name “xmlns:svg” is not serializable as XML 1.0.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
United States US