Dacgroup.com 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.
Duplicate ID “Layer_1”.
Attribute “xmlns:a” not allowed here.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Duplicate ID “Layer_2”.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “banner” role is unnecessary for element “header”.
Unsupported SVG version specified. This validator only supports SVG 1.1. The recommended way to suppress this warning is to remove the “version” attribute altogether.
The first occurrence of ID “Layer_1” was here.
Attribute with the local name “xmlns:a” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “Layer_2” was here.
The “contentinfo” role is unnecessary for element “footer”.
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