Hellasverona.it W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Errors:
Element “script” must not have attribute “integrity” unless attribute “src” is also specified.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Element “form” not allowed as child of element “span” 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.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “” for attribute “id” on element “section”: An ID must not be the empty string.
Duplicate ID “”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “fancyboxshare” for attribute “rel” on element “a”: The string “fancyboxshare” is not a registered keyword.
Poland PL