The software tools in the Web Metrics Testbed are research products developed at the National Institute of Standards and Technology (NIST) by employees of the Federal Government in the course of their official duties. Pursuant to title 17 Section 105 of the United States Code this software is not subject to copyright protection and is in the public domain.

The Web Metrics tools are experimental systems. As you might imagine, NIST assumes no responsibility whatsoever for its use by other parties, and makes no guarantees, expressed or implied, about its quality, reliability, or any other characteristic. NIST assumes no liability for dissemination of this information, but is making it available in the public interest. Mention of or reference to particular products does not constitute endorsement or recommendation.

We would appreciate acknowledgement if this software is used for research or commercial purposes. However, NIST does not directly endorse any product or service based on this software.

Some of the Web Metrics tools involve usability testing with human subjects. It is strongly recommended that before recording any subjects' actions, you make sure that they are fully aware that their actions are being recorded. It is also recommended that you have them sign a consent form. This is standard practice with most usability testing that directly involves subjects and the recording of individual information.

Please direct all comments and questions to webmetrics@nist.gov.

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Page last modified: 15 May 2002
National Institute of Standards and Technology (NIST)