Linepc.me W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Using the “meta” element to specify the document-wide default language is obsolete.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.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “complementary” for attribute “role” on element “ul”.
The “center” element is obsolete. Use CSS instead.
End tag “article” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “fb-root”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “fb-root” was here.
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