Markham.ca W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “en_US” for attribute “lang” on element “html”: The language subtag “en_us” is not a valid language subtag.
Bad value “X-Frame-Options” for attribute “http-equiv” on element “meta”.
Bad start tag in “iframe” in “head”.
Stray end tag “noscript”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Stray end tag “meta”.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Bad value “bookmark” for attribute “rel” on element “link”: The string “bookmark” is not a registered keyword.
Attribute “rel” not allowed on element “link” at this point.
Element “link” is missing required attribute “itemprop”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Cannot recover after last error. Any further errors will be ignored.
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