Warnings:
The “navigation” role is unnecessary for element “nav”.
Text run is not in Unicode Normalization Form C.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Attribute “diciotti"” is not serializable as XML 1.0.
Attribute “itália"” is not serializable as XML 1.0.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Errors:
The element “button” must not appear as a descendant of the “a” element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Element “img” is missing required attribute “src”.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “diciotti"” not allowed on element “img” at this point.
Attribute “desembarcaram” not allowed on element “img” at this point.
Attribute “em” not allowed on element “img” at this point.
Attribute “itália"” not allowed on element “img” at this point.
Bad value “true” for attribute “async” on element “script”.
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