Attrip.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Element “link” is missing one or more of the following attributes: “itemprop”, “property”, “rel”.
Start tag “head” seen but an element of the same type was already open.
Text not allowed in element “ul” in this context.
Garbage after “</”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
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