Xbian.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “title” must not be empty.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
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=Yanone+Kaffeesatz|Verdana,+Geneva,+sans-serif&v=1528049401” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “br”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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