Ispirando.it W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Start tag “body” seen but an element of the same type was already open.
End tag “h1” seen, but there were open elements.
Unclosed element “a”.
No “a” element in scope but a “a” end tag seen.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “alt” not allowed on element “a” at this point.
Stray end tag “div”.
Bad value “screen, projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.
Attribute “rel” not allowed on element “button” at this point.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The “for” attribute of the “label” element must refer to a non-hidden form control.
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