Redmonk.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://fonts.googleapis.com/css?family=Merriweather|Open+Sans” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “style” not allowed as child of element “main” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “main” seen, but there were open elements.
Unclosed element “div”.
End tag “footer” seen, but there were open elements.
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
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