Errors:
Duplicate attribute “name”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Bad value “index,follow” for attribute “rel” on element “a”: The string “index,follow” is not a registered keyword.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
End tag “a” violates nesting rules.
End tag “div” seen, but there were open elements.
Unclosed element “strong”.
End tag “section” seen, but there were open elements.
Element “section” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “valign” attribute on the “tr” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Element “footer” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
End tag “p” seen, but there were open elements.
No space between attributes.
Duplicate attribute “alt”.
End tag “footer” seen, but there were open elements.
Element “div” not allowed as child of element “noscript” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
End tag for “body” seen, but there were unclosed elements.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Poland PL