Basf.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”.
Attribute “value” not allowed on element “a” at this point.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “for” not allowed on element “div” at this point.
Bad value “” for attribute “type” on element “button”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “form” role is unnecessary for element “form”.
Attribute “aria-required” is unnecessary for elements that have attribute “required”.
This document appears to be written in English but the “html” start tag has “lang="ru"”. Consider using “lang="en"” (or variant) instead.
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