Errors:
Bad value “ln-int” for attribute “lang” on element “html”: Bad extlang subtag “int”.
Attribute “name” not allowed on element “link” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “about” not allowed on element “div” at this point.
Attribute “content” not allowed on element “span” at this point.
Attribute “datatype” not allowed on element “span” at this point.
Stray doctype.
Stray start tag “html”.
Start tag “body” seen but an element of the same type was already open.
Attribute “border” not allowed on element “iframe” at this point.
Bad value “1” for attribute “allowfullscreen” on element “iframe”.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “gesture” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Unclosed element “section”.
Stray end tag “div”.
Bad value “0 0 0 0 0 0 0 0 0 0” for attribute “rel” on element “a”: The string “0” is not a registered keyword.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
This document appears to be written in English but the “html” start tag has “lang="ln-int"”. Consider using “lang="en"” (or variant) instead.
Denmark DK