Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete.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The “name” attribute is obsolete.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.
The first occurrence of ID “Div5” was here.
The first occurrence of ID “p1” was here.
The first occurrence of ID “Li20” was here.
The first occurrence of ID “Ul4” was here.
The first occurrence of ID “Li11” was here.
The first occurrence of ID “Li12” was here.
The first occurrence of ID “Li13” was here.
The first occurrence of ID “Li14” was here.
The first occurrence of ID “Li15” was here.
The first occurrence of ID “Li16” was here.
The first occurrence of ID “Ul5” was here.
The first occurrence of ID “Li17” was here.
The first occurrence of ID “Li18” was here.
The first occurrence of ID “Li19” was here.
The first occurrence of ID “Div6” was here.
The first occurrence of ID “dvexist” was here.
This document appears to be written in German but the “html” start tag has an empty “lang” attribute. Consider using “lang="de"” (or variant) instead.
Errors:
Element “style” not allowed as child of element “header” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Stray doctype.
Stray start tag “html”.
Start tag “body” seen but an element of the same type was already open.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Unclosed element “form”.
Stray end tag “div”.
Duplicate ID “Div5”.
Duplicate ID “p1”.
Duplicate ID “Li20”.
Duplicate ID “Ul4”.
Duplicate ID “Li11”.
Duplicate ID “Li12”.
Duplicate ID “Li13”.
Duplicate ID “Li14”.
Duplicate ID “Li15”.
Duplicate ID “Li16”.
Duplicate ID “Ul5”.
Duplicate ID “Li17”.
Duplicate ID “Li18”.
Duplicate ID “Li19”.
Duplicate ID “Div6”.
Duplicate ID “dvexist”.
Element “style” not allowed as child of element “form” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “maxlength”.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Duplicate attribute “id”.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Bad value “” for attribute “for” on element “label”: An ID must not be the empty string.
Stray start tag “script”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Switzerland CH