Wadowice.pl W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Warnings:
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “main” role is unnecessary for element “main”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Duplicate attribute “id”.
Bad value “20.08.2018” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “17.08.2018” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “16.08.2018” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “14.08.2018” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Element “legend” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
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