Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “searchform”.
Duplicate ID “supernova_search”.
Duplicate ID “searchsubmit”.
Element “p” not allowed as child of element “hgroup” in this context. (Suppressing further errors from this subtree.)
Malformed byte sequence: “cd”.
Malformed byte sequence: “e0”.
Malformed byte sequence: “e9”.
Malformed byte sequence: “f2”.
Malformed byte sequence: “e8”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Malformed byte sequence: “ef”.
Malformed byte sequence: “ee”.
Malformed byte sequence: “ea”.
Malformed byte sequence: “e7”.
Malformed byte sequence: “ed”.
Malformed byte sequence: “f7”.
Malformed byte sequence: “f1”.
Malformed byte sequence: “eb”.
Malformed byte sequence: “e5”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Malformed byte sequence: “e3”.
Malformed byte sequence: “e4”.
Malformed byte sequence: “ff”.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Warnings:
The first occurrence of ID “searchform” was here.
The first occurrence of ID “supernova_search” was here.
The first occurrence of ID “searchsubmit” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in Russian but the “html” start tag has “lang="en-US"”. Consider using “lang="ru"” (or variant) instead.
Russian Federation RU