Korepo.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Duplicate attribute “rel”.
Element “div” is missing one or more of the following attributes: “role”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “レアご飯"” not allowed on element “a” at this point.
Attribute “..."” not allowed on element “a” at this point.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Attribute “レアご飯"” is not serializable as XML 1.0.
Attribute “..."” is not serializable as XML 1.0.
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