Alania.gov.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
The first child “option” element of a “select” element with a “required” attribute, and without a “multiple” attribute, and without a “size” attribute whose value is greater than “1”, must have either an empty “value” attribute, or must have no text content. Consider either adding a placeholder option label, or adding a “size” attribute with a value equal to the number of “option” elements.
Duplicate ID “edit-field-letter-files-0-upload”.
Attribute “rel” not allowed on element “img” at this point.
Attribute “target” not allowed on element “img” at this point.
Warnings:
Attribute “aria-required” is unnecessary for elements that have attribute “required”.
The “button” role is unnecessary for element “summary”.
The first occurrence of ID “edit-field-letter-files-0-upload” was here.
The “navigation” role is unnecessary for element “nav”.
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