Linkrot

Cool URIs Don't Change
An appeal for stability, and advice how to achieve it, by Tim Berners-Lee.
http://www.w3.org/Provider/Style/URI

Link Rot
Overview article from Wikipedia.
http://en.wikipedia.org/wiki/Link_rot

The Availability and Persistence of Web References in D-Lib Magazine
A study by Frank McCown et al., presented at the 5th International Web Archiving Workshop. [PDF] <small>(September 22, 2005)</small>
http://www.iwaw.net/05/papers/iwaw05-mccown1.pdf

Linkrot and Legal Research
An overview on results of recent research by Ted Tjaden. <small>(August 3, 2005)</small>
http://www.slaw.ca/2005/08/03/linkrot-and-legal-research/

A Longitudinal Study of Web Pages Continued: A Consideration of Document Persistence
Wallace Koehler, Valdosta State University, presents the results of his research, and an overview on existing literature. Published in Information Research, Vol. 9 No. 2, January 2004. <small>(January 1, 2004)</small>
http://www.informationr.net/ir/9-2/paper174.html

All Things Web: How Much Is Too Much?
Results of the third State of the Web Survey (SOWS), an automated web survey that tracks page size and linkrot on the WWW. <small>(May 31, 1999)</small>
http://www.pantos.org/atw/35654.html

Altertbox: Fighting Linkrot
Jakob Nielsen defines the phaenomenon linkrot, and encourages site owners to fight it by reducing outbound linkrot and securing stability of incoming links. <small>(June 14, 1998)</small>
http://www.useit.com/alertbox/980614.html