Vkusnyblog.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.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “vba-3” was here.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Element “style” not allowed as child of element “form” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “source” is missing required attribute “srcset”.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Attribute “for” not allowed on element “div” at this point.
Duplicate ID “vba-3”.
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