Jeja.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 “joke1” for attribute “rel” on element “a”: The string “joke1” is not a registered keyword.
Bad value “joke2” for attribute “rel” on element “a”: The string “joke2” is not a registered keyword.
Bad value “joke3” for attribute “rel” on element “a”: The string “joke3” is not a registered keyword.
Bad value “joke4” for attribute “rel” on element “a”: The string “joke4” is not a registered keyword.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Poland PL