Coopwebbuilder2.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “” for attribute “name” on element “button”: Must not be empty.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “rel”.
Attribute “rel” not allowed on element “button” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “footer” seen, but there were open elements.
Unclosed element “div”.
Warnings:
The “banner” role is unnecessary for element “header”.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “main” role is unnecessary for element “main”.
Empty heading.
The “contentinfo” role is unnecessary for element “footer”.
The “navigation” role is unnecessary for element “nav”.
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