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About the National Library of Medicine's Web Site

The National Library of Medicine (NLM) published its first Web site ( in October of 1993 and was one of the first U.S. federal Web sites. In 1999 the site's use was 6 million page views and 380,000 unique visitors and has grown in fiscal year 2009 to over 42 million page views and 7.9 million unique visitors. The Web has become such an integral part of NLM's services that of the over 90,000 customer services requests made to NLM in fiscal year 2009, over 74,000 of those arrived via e-mail or a Web-based form.

NLM is committed to listening to its users and making positive changes to its Web site, and  participates in the American Customer Satisfaction Index (ACSI) to measure online customer satisfaction. The NLM main Web site,, scores 74 in customer satisfaction. The aggregate ACSI score for all federal E-Gov is 68.7.

As a U.S. Government Web site, we do not host advertisements. This Web site is coordinated by the staff of the U.S. National Library of Medicine, under the direction of its Director, Donald A.B. Lindberg, M.D. (1984-present).


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