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.
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
Bad value “only x” for attribute “media” on element “link”: Expected a CSS media type but the query ended.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “href” not allowed on element “button” at this point.
Attribute “href” not allowed on element “div” at this point.
Element “div” is missing one or more of the following attributes: “role”.
Bad value “false ” for attribute “aria-expanded” on element “a”.
Duplicate attribute “role”.
Element “span” not allowed as child of element “picture” in this context. (Suppressing further errors from this subtree.)
Element “picture” is missing a required instance of child element “img”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in German. Consider adding “lang="de"” (or variant) to the “html” start tag.
Austria AT