Sevelina.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Duplicate attribute “rel”.
Duplicate attribute “href”.
Attribute “<link” not allowed on element “link” at this point.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate attribute “class”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute “<link” is not serializable as XML 1.0.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
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