Homebuilding.ru 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.
End tag “div” seen, but there were open elements.
Unclosed element “h3”.
Stray end tag “h3”.
Element “noindex” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “secondary”.
End tag “br”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The value of attribute “src” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The value of attribute “alt” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “secondary” was here.
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