Stzgd.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.
Start tag “a” seen but an element of the same type was already open.
Bad value “auto” for attribute “width” on element “img”: Expected a digit but saw “a” instead.
Stray end tag “a”.
Bad value “75px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “232px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
No space between attributes.
Element “style” not allowed as child of element “article” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “br”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “gut” not allowed on element “meta” at this point.
Attribute “durchdacht""” not allowed on element “meta” at this point.
Element “meta” is missing required attribute “content”.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “durchdacht""” is not serializable as XML 1.0.
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