Theholocaustexplained.org W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “” for attribute “id” on element “input”: An ID must not be the empty string.
Duplicate ID “”.
Attribute “href” not allowed on element “span” at this point.
Element “spain” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “spain” not allowed as child of element “h4” in this context. (Suppressing further errors from this subtree.)
Bad value “19/08/1934” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “17/08/1938” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “24/08/1941” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “01/08/1944” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “09/08/1944” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
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