YouTube accounts for 1 in every 35 UK Internet visits, continuing their exceptional growth as the fastest moving social network for the fifth consecutive month. One in every 35 visits to a website by UK Internet users now goes to YouTube and the video site now accounts for 22.54% of all visits to social networks, its highest market share of the UK social landscape recorded to date.
Source – Experian 2011http://www.hitwise.com/uk/press-centre/press-releases/bing-uks-second-favourite-search-engine/