Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “Last-Modified” for attribute “http-equiv” on element “meta”.
Bad value “backup” for attribute “hreflang” on element “link”: The language subtag “backup” is not a valid IANA language part of a language tag.
Bad value “gr-gr” for attribute “hreflang” on element “link”: The language subtag “gr” is not a valid ISO language part of a language tag.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Attribute “for” not allowed on element “input” at this point.
Any “input” descendant of a “label” element with a “for” attribute must have an ID value that matches that “for” attribute.
Duplicate ID “Layer_1”.
Attribute “href” not allowed on element “h2” at this point.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “Livello_1”.
Attribute “true” not allowed on element “div” at this point.
Duplicate ID “”.
Attribute “false” not allowed on element “div” at this point.
End tag “form” seen, but there were open elements.
Unclosed element “button”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Unsupported SVG version specified. This validator only supports SVG 1.1. The recommended way to suppress this warning is to remove the “version” attribute altogether.
The first occurrence of ID “Layer_1” was here.
Attribute “href” without an explicit value seen. The attribute may be dropped by IE7.
The first occurrence of ID “Livello_1” was here.
The first occurrence of ID “” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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