Unwto.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “hreflang” not allowed on element “li” at this point.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “img” is missing required attribute “src”.
Attribute “loading” not allowed on element “img” at this point.
Bad value for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/search?keys=®ion[]=10” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “/search?keys=®ion[]=5” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “/search?keys=®ion[]=5&tags[]=347” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Warnings:
The “main” role is unnecessary for element “main”.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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