Majsterkowo.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “forbot” for attribute “rel” on element “a”: The string “forbot” is not a registered keyword.
Attribute “powiadomienie” not allowed on element “li” at this point.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “tab1”.
Duplicate ID “wszystkie-strona-1”.
Duplicate ID “pokaz_wiecej”.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The first occurrence of ID “tab1” was here.
The first occurrence of ID “wszystkie-strona-1” was here.
The first occurrence of ID “pokaz_wiecej” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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