Urgau.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Stray end tag “button”.
No “p” element in scope but a “p” end tag seen.
End tag “p” implied, but there were open elements.
Unclosed element “span”.
Stray end tag “span”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “alt” not allowed on element “a” at this point.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “Лучший” not allowed on element “a” at this point.
Attribute “куратор” not allowed on element “a” at this point.
Attribute “академической” not allowed on element “a” at this point.
Attribute “группы""” not allowed on element “a” at this point.
Attribute “Лучший” not allowed on element “img” at this point.
Attribute “куратор” not allowed on element “img” at this point.
Attribute “академической” not allowed on element “img” at this point.
Attribute “группы""” not allowed on element “img” at this point.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Attribute “группы""” is not serializable as XML 1.0.
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