Kasparov.ru
Kasparov.ru is a Russian-language website, critical of Vladimir Putin, operated by Garry Kasparov. As of March 2013 it was the 816th most popular website in Russia, but it has fallen down to 4,098 by September 2015.
The website has been a target of DDoS attacks in the past. The site was Internet [censorship in Russia|censored in Russia] in early 2014.