Wikipedia
XVideos
XVideos is a free pornographic video sharing website based in Prague, Czech Republic. It is the most popular pornography website in the world,List of Best Porn Sites Free Videos 2016: Top Porn Sites - List of Best Porn Sites Free Videos 2016, accessdate: May 21, 2016 having overtaken Youporn as most popular adult video sharing website in 2012. It also surpassed LiveJasmin, an adult video chat website, in January 2012.
According to Alexa it has been one of the 50 most popular websites on the Internet since early 2013, and currently has about 350 million monthly visitors, with around 29 petabytes of data transferred every month.