Fdb.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
This document appears to be written in Polish. Consider adding “lang="pl"” (or variant) to the “html” start tag.
Errors:
Element “meta” is missing one or more of the following attributes: “content”, “property”.
The text content of element “script” was not in the required format: Content contains the character sequence “<!--” without a later occurrence of the character sequence “-->”.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Stray end tag “script”.
Attribute “alt” not allowed on element “a” at this point.
Element “img” is missing required attribute “src”.
Element “ul” not allowed as child of element “small” in this context. (Suppressing further errors from this subtree.)
Attribute “alt” not allowed on element “span” at this point.
The element “button” must not appear as a descendant of the “a” element.
End tag “h4” seen, but there were open elements.
Attribute “validate” not allowed on element “input” at this point.
Poland PL