Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “alt” not allowed on element “a” at this point.
Bad value “toolbar” for attribute “role” on element “nav”.
Attribute “origsrc” not allowed on element “img” at this point.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
No “p” element in scope but a “p” end tag seen.
Attribute “src1” not allowed on element “img” at this point.
Attribute “src2” not allowed on element “img” at this point.
The element “button” must not appear as a descendant of the “a” element.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Element “werbung” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “link” role is unnecessary for element “a”.
Empty heading.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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).
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