Imacc.de 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.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “728"” not allowed on element “img” at this point.
Attribute “max-height” not allowed on element “img” at this point.
Duplicate attribute “class”.
No “p” element in scope but a “p” end tag seen.
Attribute “pubdate” not allowed on element “time” at this point.
Bad value “2018-05-4” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
Duplicate ID “artikel”.
Element “p<b” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “b”.
Unclosed element “p<b”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Attribute “728"” is not serializable as XML 1.0.
The “article” role is unnecessary for element “article”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “artikel” was here.
Element name “p<b” cannot be represented as XML 1.0.
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