06blog.it W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Attribute “rel” not allowed on element “li” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
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.
This document appears to be written in Italian. Consider adding “lang="it"” (or variant) to the “html” start tag.
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