Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “navigation” role is unnecessary for element “nav”.
Empty heading.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Errors:
Bad value “” for attribute “sizes” on element “source”: Must not be empty.
Attribute “alt” not allowed on element “source” at this point.
Bad value for attribute “srcset” on element “source”: Expected width descriptor but found “1x” at “…0940813.jpg 1x,”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)
Element “noscript” not allowed as child of element “picture” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Bad value “schema.org/PostalAddress” for attribute “itemtype” on element “div”: The string “schema.org/PostalAddress” is not an absolute URL.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “counter” not allowed on element “div” at this point.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
End tag “main” seen, but there were open elements.
Unclosed element “div”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Stray start tag “script”.
Switzerland CH