Nehlsen.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “01” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “August” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “26” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Juli” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “25” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “Juni” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “22” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in German. Consider adding “lang="de"” (or variant) to the “html” start tag.
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