Errors:
Duplicate ID “menu-search-field”.
Attribute “format” not allowed on element “a” at this point.
The element “button” must not appear as a descendant of the “a” element.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “new_user”.
Duplicate ID “user_password”.
Duplicate ID “user_email”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “value” not allowed on element “textarea” at this point.
Attribute “format” not allowed on element “form” at this point.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The first occurrence of ID “menu-search-field” was here.
The first occurrence of ID “new_user” was here.
The first occurrence of ID “user_password” was here.
The first occurrence of ID “user_email” was here.
This document appears to be written in Russian but the “html” start tag has “lang="en"”. Consider using “lang="ru"” (or variant) instead.
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