Kenguru.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
A table row was 0 columns wide, which is less than the column count established by the first row (3).
The first occurrence of ID “callback” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Bad start tag in “div” in “head”.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Row 2 of a row group established by a “tbody” element has no cells beginning on it.
Duplicate ID “callback”.
Bad value “login” for attribute “role” on element “form”.
Element “noindex” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
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