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Link Rot up to 51% for .gov domains
New Link Rot report from Chesapeake. For the past six years, the Georgetown Law Library and the Chesapeake Digital Preservation Group have been doing doing studies on “Link Rot and Legal Resources on the Web.” The newest report, for 2013, says that 51% of .gov URLs selected in 2007-2008 are broken. For a larger sample […]
SCOTUS and Law Reviews have a bad case of link rot. perma.cc looks to be the prescription
“If permanence of legal thought is important to legal scholarship then it must be preserved consciously.” --Howard A. Denemark, "The Death of Law Reviews has Been Predicted: What Might be Lost When the Last Law Review Shuts Down?" 27 SETON HALL L. REV. 1, 12 (1996).According to a new study by Jonathan Zittrain and Kendra Albert at the Harvard Law School (Zittrain also has affiliations with Harvard's Kennedy School, Harvard School of Engineering and Applied Sciences, and the Berkman Center for Internet & Society) "49 percent of the hyperlinks in Supreme Court decisions no longer work. And more than 70% of the links in such journals as the Harvard Law Review (in that case measured from 1999 to 2012), currently don’t work. As time passes, the number of non-working links increases." The study builds off of other great link rot studies such those done annually since 2010 by the Chesapeake Digital Preservation Group and the more resent one by Raizel Liebler and June Liebert in the Yale Journal of Law and Technology. Continue reading
New Link Rot report from Chesapeake
For the past five years, the Georgetown Law Library and the Chesapeake Digital Preservation Group have been doing doing studies on "link rot." This year, they discovered that "link rot has increased to 37.7 percent within five years."
- "Link Rot" and Legal Resources on the Web: A 2012 Analysis by the Chesapeake Digital Preservation Group.
- Georgetown Law Library Finds 38 Percent of Online Documents Disappear from Web Pages Within Five Years, press release, Georgetown University (April 25, 2012).
10% in 2008 13% in 2009 25% in 2010 31% in 2011 36% in 2012Cumulative link rot of state government URLs (.state.__.us) were almost as bad: 10.8% in 2008 15.8% in 2009 32.1% in 2010 30.4% in 2011, and 33.8% in 2012. The total cumulative link rot for all URLs was 37.7% in 2012. Another way of looking at this is that, of the documents the Chesapeake Project has preserved, only only 62.3% were still available at their original URL as of the 2012 study. This year's report includes two samples of URLs. The first sample includes 579 URLs that Chesapeake captured during 2007 and 2008. They use this sample to examine how link rot changes over time. The second sample is a new and represents the full content of the Chesapeake archive at the time the study was conducted. Using this second, broader sample the study reports a link rot rate of 25.9%. For libraries that rely on pointing to URLs rather than preserving information in their own digital libraries, the new report from the Chesapeake Project provides sobering, factual data on the reliability of that strategy. Continue reading
Links to USGS Publications Changing
Richard Huffine, Director of USGS Libraries Program, announced on govdoc-l this week that direct links to USGS publications will be changing by September 1, 2011.
- Direct Links to USGS Publications Changing by September 1, 2011, Richard L Huffine, Discussion of Government Document Issues, (11 Aug 2011). The U.S. Geological Survey's Publications Warehouse (pubs.usgs.gov) will complete a process to migrate all of its' on-line publications into Portable Document Format (PDF) files by September 1, 2011. At that time, the USGS will no longer support the previous DJVU format for its on-line publications. Libraries and Web site managers should link to the publications citation page for USGS publications. At sometime after September 1, 2011, direct links to DJVU files will stop working and there will be no automatic redirect to the PDF version of those materials. A direct link to a USGS DVJU file currently looks like: http://pubs.er.usgs.gov/djvu/B/bull_1967.djvu Once loaded in PDF, individual publications will have a link like this: http://pubs.usgs.gov/bul/1967/report.pdf However, the preferred link to this publication is: http://pubs.er.usgs.gov/publication/b1967 The citation link is the preferred link because it may include links to plates, maps, appendices, etc. as well as links to the USGS Store to purchase paper copies if they are available. This migration has been sought by members of the research community for some time. The DJVU format offered many benefits at a time when bandwidth was a challenge. The PDF format offers a consistent format for both historical and current publications and it allows users to download and use information from USGS publications in the same way that they use research journal articles and other scientific research products. Over 70% of all USGS-published reports are available in an on-line format from the USGS Publications Warehouse. The system currently includes citations to over 100,000 research articles, reports, and products produced by the USGS over the last 130 years. The system also offers an RSS feed to keep users of earth and natural science research informed about the products of the USGS. Richard Huffine, Director USGS Libraries Program
Government Link Rot
January 3, 2014 / Leave a comment
Over the holidays, we switched FGI to new CMS software and a new theme and, in the process, installed some new back-end tools allowing us to do things like easily check for broken links. FGI went online in November 2004, so we have a little more than 9 years of outgoing links. Of those, 2676 […]
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