Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:fb” not allowed here.
Bad value “text/xhtml+xml; charset=utf-8” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.
Bad value “” for attribute “type” on element “link”: Expected a MIME type but saw the empty string.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
The “scrolling” attribute on the “iframe” element is obsolete.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The “frameborder” attribute on the “iframe” element is obsolete.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The “allowtransparency” attribute on the “iframe” element is obsolete.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.
Attribute “alt” not allowed on element “a” at this point.
Attribute “banner_id” not allowed on element “a” at this point.
Duplicate ID “page_footer”.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The first occurrence of ID “page_footer” was here.
This document appears to be written in Polish but the “html” start tag has “lang="en"”. Consider using “lang="pl"” (or variant) instead.
Poland PL
