Yoani.co.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
Duplicate ID “menu”.
Element “p” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Bad value “600px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Warnings:
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “menu” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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