Errors:
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Obsolete doctype. Expected “<!DOCTYPE html>”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
No space between attributes.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
The element “img” with the attribute “usemap” must not appear as a descendant of the “a” element.
Duplicate attribute “title”.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
The hash-name reference in attribute “usemap” referred to “Landkarteradar”, but there is no “map” element with a “name” attribute with that value.
The hash-name reference in attribute “usemap” referred to “Landkarte”, but there is no “map” element with a “name” attribute with that value.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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