Gadgetguy.com.au W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “rel” not allowed on element “ul” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “div” seen, but there were open elements.
Unclosed element “center”.
Stray end tag “center”.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Stray end tag “div”.
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