Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Element “span” is missing one or more of the following attributes: “role”.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “600px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “2015-15-15T13:00” for attribute “datetime” on element “time”: Month cannot be greater than 12.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “href” without an explicit value seen. The attribute may be dropped by IE7.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
This document appears to be written in Russian but the “html” start tag has an empty “lang” attribute. Consider using “lang="ru"” (or variant) instead.
Belarus BY