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Unique hits count the number of different individuals who have generated at least one hit.
- Domsmith.co.uk, (24 September 2005). Hit counter. Retrieved: 26 May 2007.
- Microsoft.com, (April 1999). Site server - capacity model for Internet transactions. Retrieved: 26 May 2007.
- Smartcomputing.com, (June 1997). Is your web site a hit? Retrieved: 26 May 2007.
- Webopedia.com, (17 October 2002). Page view. Retrieved: 26 May 2007.
- Webopedia.com, (29 April 2004). Hit. Retrieved: 26 May 2007.