Media of Ukraine in 2011 where estimated at USD 400 million, 200% growth compared to 2010. As of 2011, Ukraine ranked 8th among the world's countries with the fastest Internet access speed, with an average download speed of 1,190 kbit/s. According to Freedom House, the Internet in Ukraine is "Free", in contrast to Ukraine's news media as a whole which is considered to be only "Partly Free". Aside from web portals and search engines, the most popular websites are Vk, YouTube, Wikipedia, Facebook, Livejournal, EX.UA and Odnoklassniki. In May 2017, president Poroshenko signed a decree blocking access in Ukraine to Russian servers VKontakte,
Klimov VK-3 superseded by the Lyulka AL-7F, a less modern but more efficient engine. The VK-3 is a single-shaft turbofan engine with a 10-stage axial compressor, an annular combustion chamber, a three-stage turbine, an afterburner and a variable supersonic nozzle. Bypass air is drawn from the second stage of the compressor to 12 external pipes and is directed into the turbine through an adjustable mixing valve, bypassing the combustion chamber. The 8th stage compressor has two position adjustable guide vanes. Klimov VK-3 The Klimov VK-3 was the first Soviet afterburning bypass turbojet engine. Designed by S V Lyunevich at Klimov, at OKB-117