Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “//fonts.googleapis.com/css?family=Roboto+Slab:normal|Raleway:500|Raleway:700|Roboto+Slab:300&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Duplicate ID “navigation”.
Attribute “xmlns:v” not allowed here.
Duplicate attribute “rel”.
Bad value “v:url” for attribute “rel” on element “a”: The string “v:url” is not a registered keyword.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “g” instead.
Stray end tag “a”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “navigation” was here.
Attribute with the local name “xmlns:v” is not serializable as XML 1.0.
The “complementary” role is unnecessary for element “aside”.
The “contentinfo” role is unnecessary for element “footer”.
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).
Italy IT