Errors:
Bad value “en-uk” for attribute “lang” on element “html”: Bad region subtag.
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 “jp” for attribute “hreflang” on element “link”: The language subtag “jp” is not a valid ISO language part of a language tag.
Bad value “au” for attribute “hreflang” on element “link”: The language subtag “au” is not a valid ISO language part of a language tag.
The “type” attribute on the “li” element is obsolete. Use CSS instead.
Element “span” is missing one or more of the following attributes: “role”.
Attribute “value” not allowed on element “li” at this point.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “page” not allowed on element “a” at this point.
Attribute “count” not allowed on element “a” at this point.
Stray end tag “i”.
The element “button” must not appear as a descendant of the “a” element.
Element “input” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “myTabContent”.
Attribute “marked” not allowed on element “a” at this point.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “myTabContent” was here.
United States US