Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
Empty heading.
The “navigation” role is unnecessary for element “nav”.
Attribute “data-competenza"” is not serializable as XML 1.0.
Attribute “][” is not serializable as XML 1.0.
Attribute “types]_[types” is not serializable as XML 1.0.
Attribute “types].png);"” is not serializable as XML 1.0.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
A slash was not immediately followed by “>”.
Duplicate attribute “][”.
“data-*” attribute names must be XML 1.0 4th ed. plus Namespaces NCNames.
Attribute “output” not allowed on element “span” at this point.
Attribute “][” not allowed on element “span” at this point.
Attribute “types]_[types” not allowed on element “span” at this point.
Attribute “field” not allowed on element “span” at this point.
Attribute “types].png);"” not allowed on element “span” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Forbidden code point U+0003.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Italy IT