Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
Bad value “AT” for attribute “hreflang” on element “link”: The language subtag “at” is not a valid ISO language part of a language tag.
Bad value “CZ” for attribute “hreflang” on element “link”: The language subtag “cz” is not a valid ISO language part of a language tag.
Bad value “DK” for attribute “hreflang” on element “link”: The language subtag “dk” is not a valid ISO language part of a language tag.
Bad value “GR” for attribute “hreflang” on element “link”: The language subtag “gr” is not a valid ISO language part of a language tag.
Bad value “MC” for attribute “hreflang” on element “link”: The language subtag “mc” is not a valid ISO language part of a language tag.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “nav” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “collapse-navigation”.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Duplicate attribute “class”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “alt”.
Warnings:
The first occurrence of ID “collapse-navigation” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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