Yandex.by W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:og” not allowed here.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
An element with “role=menuitem” must be contained in, or owned by, an element with “role=menubar” or “role=menu”.
Attribute “unselectable” not allowed on element “span” at this point.
Attribute “autocapitalize” not allowed on element “input” at this point.
Attribute “autocorrect” not allowed on element “input” at this point.
No space between attributes.
Attribute “notifications.mail.card.logout.domik.other” not allowed on element “input” at this point.
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.)
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The “button” role is unnecessary for element “button”.
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