Cbos.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
End tag “div” seen, but there were open elements.
Unclosed element “form”.
The element “input” must not appear as a descendant of the “a” element.
The “font” element is obsolete. Use CSS instead.
Attribute “border” not allowed on element “a” at this point.
Attribute “alt” not allowed on element “a” at this point.
The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Duplicate ID “pusta2”.
Duplicate ID “pole_2”.
Duplicate ID “pole_3”.
The “list” attribute of the “input” element must refer to a “datalist” element.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “pusta2” was here.
The first occurrence of ID “pole_2” was here.
The first occurrence of ID “pole_3” was here.
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Poland PL