Kontur-extern.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.
Bad value “auto” for attribute “height” on element “video”: Expected a digit but saw “a” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “foreignObject” is missing required attribute “height”.
Element “foreignObject” is missing required attribute “width”.
Element “hr” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “defaultvalue” not allowed on element “input” at this point.
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
Attribute “sketch:type” not allowed on element “g” at this point.
Bad value “Line-+-Line-Copy” for attribute “id” on element “g”: Not a valid XML 1.0 name.
Attribute “sketch:type” not allowed on element “path” at this point.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “sketch:type” is not serializable as XML 1.0.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
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