This feed does not validate.
<rss version="2.0" xmlns="http://backend.userland.com/rss2" xmlns:yandex="ht ...
<url></url>
^
In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendations.
<rss version="2.0" xmlns="http://backend.userland.com/rss2" xmlns:yandex="ht ...
<rss version="2.0" xmlns="http://backend.userland.com/rss2" xmlns:yandex="ht ...
</channel>
<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0" xmlns="http://backend.userland.com/rss2" xmlns:yandex="http://news.yandex.ru">
<channel>
<title>Інформаційний простір</title>
<link>http://infoprostir.com.ua</link>
<description>Новини України та світу </description>
<image>
<title>Інформаційний простір</title>
<link>http://infoprostir.com.ua</link>
<url></url>
</image>
</channel>
</rss>