Readingraphics.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Errors:
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “//fonts.googleapis.com/css?family=Open+Sans:300|Open+Sans:400|Open+Sans:700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “//fonts.googleapis.com/css?family=Lato:300|Lato:400|Lato:700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Stray end tag “span”.
Attribute “aria-role” not allowed on element “a” at this point.
End tag “span” seen, but there were open elements.
Unclosed element “strong”.
End tag “a” violates nesting rules.
End tag “div” seen, but there were open elements.
Element “div” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
End tag “h4” seen, but there were open elements.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Element “style” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
End tag for “body” seen, but there were unclosed elements.
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