Errors:
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:og” not allowed here.
Bad value “Cache-control” for attribute “http-equiv” on element “meta”.
Attribute “itemprop” not allowed on element “meta” at this point.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Bad value “http://www.kafka-franz.com/register-user/?lightbox[iframe]=true&lightbox[width]=312&lightbox[height]=480” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “” for attribute “id” on element “input”: An ID must not be the empty string.
Duplicate ID “”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
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