Wolfssl.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “pagespeed_no_defer” not allowed on element “script” at this point.
Attribute “pagespeed_url_hash” not allowed on element “img” at this point.
The element “label” must not appear as a descendant of the “button” element.
Duplicate ID “tagline”.
Duplicate ID “whitePaper”.
Start tag “a” seen but an element of the same type was already open.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
End tag “div” seen, but there were open elements.
Unclosed element “a”.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “tagline” was here.
The first occurrence of ID “whitePaper” was here.
The “contentinfo” role is unnecessary for element “footer”.
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