Xeory.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “itemschope” not allowed on element “body” at this point.
The “itemtype” attribute must not be specified on elements that do not have an “itemscope” attribute specified.
Duplicate ID “front-sns”.
Attribute “0” not allowed on element “img” at this point.
Element “h4” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “connections” not allowed on element “div” at this point.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “front-sns” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “0” is not serializable as XML 1.0.
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