Akniga.org 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 “type” attribute is unnecessary for JavaScript resources.
This document appears to be written in Russian. Consider adding “lang="ru"” (or variant) to the “html” start tag.
Errors:
Bad value “crossorigin” for attribute “crossorigin” on element “link”.
Stray end tag “input”.
End tag “div” seen, but there were open elements.
Unclosed element “span”.
Attribute “type” not allowed on element “audio” at this point.
Attribute “val” not allowed on element “span” 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.
An element with “role=menuitem” must be contained in, or owned by, an element with “role=menubar” or “role=menu”.
No “li” element in scope but a “li” end tag seen.
Russian Federation RU