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”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
An element with “role=menuitem” must be contained in, or owned by, an element with “role=menubar” or “role=menu”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “h1” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “ul” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “main” element must not appear as a descendant of the “blockquote” element.
A document must not include more than one visible “main” element.
Element “h5” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “table” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “charset” attribute on the “script” element is obsolete.
Empty heading.
This document appears to be written in English but the “html” start tag has “lang="de-de"”. Consider using “lang="en"” (or variant) instead.
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