Errors:
Malformed byte sequence: “ea”.
Malformed byte sequence: “f3”.
Malformed byte sequence: “bc”.
Malformed byte sequence: “b1”.
Malformed byte sequence: “b6”.
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Internal encoding declaration “iso-8859-2” disagrees with the actual encoding of the document (“utf-8”).
Using the “meta” element to specify the document-wide default language is obsolete.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”.
Bad value “EXPIRES” for attribute “http-equiv” on element “meta”.
Malformed byte sequence: “b3”.
Malformed byte sequence: “f3”, “bf”.
Malformed byte sequence: “a3”.
Malformed byte sequence: “d3”.
Malformed byte sequence: “f3”, “b3”.
Malformed byte sequence: “bf”.
Malformed byte sequence: “e6”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Malformed byte sequence: “a6”.
Malformed byte sequence: “af”.
Malformed byte sequence: “f1”.
Malformed byte sequence: “ea”, “bc”.
Duplicate ID “i_246202”.
Duplicate ID “i_246201”.
Forbidden code point U+0001.
Malformed byte sequence: “ea”, “bf”.
Duplicate ID “i_246200”.
Duplicate ID “i_246199”.
Duplicate ID “i_246198”.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “f10” not allowed on element “span” at this point.
Attribute “black"” not allowed on element “span” at this point.
Malformed byte sequence: “ea”, “b6”.
The “scrolling” attribute on the “iframe” element is obsolete.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The “frameborder” attribute on the “iframe” element is obsolete.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The “allowtransparency” attribute on the “iframe” element is obsolete.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.
Stray start tag “script”.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “i_246202” was here.
The first occurrence of ID “i_246201” was here.
The first occurrence of ID “i_246200” was here.
The first occurrence of ID “i_246199” was here.
The first occurrence of ID “i_246198” was here.
Attribute “black"” is not serializable as XML 1.0.
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Poland PL