Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute for the “style” element is not needed and should be omitted.
The “type” attribute is unnecessary for JavaScript resources.
The “navigation” role is unnecessary for element “nav”.
Attribute “"” is not serializable as XML 1.0.
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “keywordSearch” was here.
Errors:
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “div” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
No “li” element in scope but a “li” end tag seen.
Attribute “backdrop” not allowed on element “div” at this point.
Element “div” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Element “source” is missing required attribute “srcset”.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Bad value “” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Duplicate ID “keywordSearch”.
Bad value “tel:+43 662 84 54 53” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
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