Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “cache-control” for attribute “http-equiv” on element “meta”.
Attribute “autocorrect” not allowed on element “form” at this point.
Attribute “autocapitalize” not allowed on element “form” at this point.
Bad value “tab1” for attribute “rel” on element “a”: The string “tab1” is not a registered keyword.
Bad value “tab2” for attribute “rel” on element “a”: The string “tab2” is not a registered keyword.
Bad value “tab3” for attribute “rel” on element “a”: The string “tab3” is not a registered keyword.
Bad value “tab4” for attribute “rel” on element “a”: The string “tab4” is not a registered keyword.
Bad value “tab5” for attribute “rel” on element “a”: The string “tab5” is not a registered keyword.
Bad value “tab6” for attribute “rel” on element “a”: The string “tab6” is not a registered keyword.
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
End of file seen when expecting text or an end tag.
Unclosed element “script”.
Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
This document appears to be written in German. Consider adding “lang="de"” (or variant) to the “html” start tag.
Germany DE