Gozaisho.co.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bogus comment.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
End tag had attributes.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
Duplicate ID “logo”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “”.
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.
The first occurrence of ID “logo” was here.
The first occurrence of ID “” was here.
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