Errors:
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
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 “//#” for attribute “href” on element “a”: Invalid host: empty host.
Element “none” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
End tag “span” seen, but there were open elements.
Unclosed element “none”.
Duplicate attribute “data-interval”.
Element “option” without attribute “label” must not be empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
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 “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “off-carousel” not allowed on element “li” at this point.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Attribute “href” not allowed on element “button” at this point.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Poland PL