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”.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
Element “div” is missing one or more of the following attributes: “role”.
Duplicate ID “keen-collapse”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The element “footer” must not appear as a descendant of the “footer” element.
Attribute “ga-cat” not allowed on element “button” at this point.
Attribute “ga-action” not allowed on element “button” at this point.
Attribute “ga-label” not allowed on element “button” at this point.
Stray end tag “buttton”.
End tag “div” seen, but there were open elements.
Unclosed element “button”.
Element “style” not allowed as child of element “footer” in this context. (Suppressing further errors from this subtree.)
Stray start tag “script”.
Warnings:
The first occurrence of ID “keen-collapse” was here.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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