Zary.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
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.
Bad value “application/xhtml+xml; charset=utf-8” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/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Using the “meta” element to specify the document-wide default language is obsolete.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 “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
The “acronym” element is obsolete. Use the “abbr” element instead.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “rel” not allowed on element “li” at this point.
Warnings:
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Poland PL