Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
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.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Duplicate attribute “class”.
The element “button” must not appear as a descendant of the “a” element.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “itemref” attribute must not be specified on elements that do not have an “itemscope” attribute specified.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “_blanck” for attribute “target” on element “a”: Reserved keyword “blanck” used.
End tag “footer” seen, but there were open elements.
Unclosed element “div”.
Stray end tag “div”.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
United States US
