404. That’s an error.

The requested URL /add?feedurl=http://www.gopetition.com/rss/signatures/%D0%BF%D1%80%D0%B8%D1%98%D0%B0%D0%B2%D0%B0-%D0%BE-%D1%86%D1%80%D0%BA%D0%B2%D0%B5%D0%BD%D0%B8%D0%BC-%D0%BA%D1%80%D0%B8%D0%B2%D0%B8%D1%87%D0%BD%D0%B8%D0%BC-/ was not found on this server. That’s all we know.