Classmethod.jp W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Bad value “Last-Modified” 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 “link”: Must be non-empty.
Element “dl” is missing a required instance of child element “dd”.
Element “dl” is missing a required child element.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Stray end tag “i”.
Element “link” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Japan JP