Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:fb” not allowed here.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “Top” for attribute “rel” on element “link”: The string “Top” is not a registered keyword.
Duplicate ID “searchradio”.
Attribute “alt” not allowed on element “input” at this point.
Attribute “border” not allowed on element “input” at this point.
Duplicate ID “items-images”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “alt” not allowed on element “a” at this point.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “/content/download/126543/953122/file/Carta di Trento 2018.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Potentially bad value “Copyright” for attribute “rel” on element “link”: The keyword “copyright” for the “rel” attribute should not be used. Consider using “license” instead.
The first occurrence of ID “searchradio” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “items-images” was here.
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