Mnogofarkopov.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.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “callback-form-aside” was here.
The first occurrence of ID “callback-call-aside” was here.
Errors:
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Element “style” not allowed as child of element “noscript” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “meta” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “link” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “callback-form-aside”.
Duplicate ID “callback-call-aside”.
Stray end tag “dev”.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
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