Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “alt” not allowed on element “a” at this point.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
No “li” element in scope but a “li” end tag seen.
Stray end tag “ul”.
Stray end tag “div”.
Attribute “n2click” not allowed on element “div” at this point.
Attribute “n2middleclick” not allowed on element “div” at this point.
Attribute “data” not allowed on element “div” at this point.
Attribute “border” not allowed on element “input” at this point.
Element “style” not allowed as child of element “p” in this context. (Suppressing further errors from this subtree.)
Element “dl” is missing a required instance of child element “dd”.
No “p” element in scope but a “p” end tag seen.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “” for attribute “srcset” on element “img”: Must contain one or more image candidate strings.
Warnings:
Empty heading.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Germany DE