Postavshhiki.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag “h4” seen, but there were open elements.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “noindex” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “noindex” not allowed as child of element “li” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Element “noindex” not allowed as child of element “nav” in this context. (Suppressing further errors from this subtree.)
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