theguardian.com formerly known as Guardian Unlimited and guardian.co.uk. is a British news and media website owned by the Guardian Media Group . It contains nearly all of the content of the newspapers The Guardian and The Observer, as well as a substantial body of web-only work produced by its own staff, including a rolling news service. The site is made up of a core news site, plus a network of niche websites covering subjects including media, environment and technology, sport, education and the public sector. theguardian.com is notable for its engagement with readers, including long-running talkboards and, more recently, a network of weblogs.