Foundrygroup.com 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Using the “meta” element to specify the document-wide default language is obsolete.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.
Attribute “client-id” not allowed on element “script” at this point.
Bad value “search” for attribute “role” on element “nav”.
Attribute “pubdate” not allowed on element “time” at this point.
Bad value “” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
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