Xenu, or Xenu's Link Sleuth, is a

computer program A computer program is a sequence or set of instructions in a programming language for a computer to execute. Computer programs are one component of software, which also includes documentation and other intangible components. A computer progra ...

that checks

website A website (also written as a web site) is a collection of web pages and related content that is identified by a common domain name and published on at least one web server. Examples of notable websites are Google, Facebook, Amazon, and Wikip ...

s for

broken Broken may refer to: Literature * Broken (Armstrong novel), ''Broken'' (Armstrong novel), a 2006 novel by Kelley Armstrong in the ''Women of the Otherworld'' series * Broken (Slaughter novel), ''Broken'' (Slaughter novel), a 2010 novel by Kar ...

hyperlink In computing, a hyperlink, or simply a link, is a digital reference to data that the user can follow or be guided by clicking or tapping. A hyperlink points to a whole document or to a specific element within a document. Hypertext is text ...

s. It is written by Tilman Hausherr and is

proprietary software Proprietary software is computer software, software that is deemed within the free and open-source software to be non-free because its creator, publisher, or other rightsholder or rightsholder partner exercises a legal monopoly afforded by modern ...

available at no charge. The program is named after

Xenu Xenu (), also called Xemu, is a figure in the Church of Scientology's secret "Advanced Technology", a sacred and esoteric teaching. According to the "Technology", Xenu was the extraterrestrial ruler of a "Galactic Confederacy" who brought bi ...

, the Galactic Ruler from

Scientology Scientology is a set of beliefs and practices invented by American author L. Ron Hubbard, and an associated movement. It has been variously defined as a cult, a business, or a new religious movement. The most recent published census data i ...

scripture Religious texts, including scripture, are texts which various religions consider to be of central importance to their religious tradition. They differ from literature by being a compilation or discussion of beliefs, mythologies, ritual pract ...

Format

Link Sleuth runs on Microsoft Windows. Link verification is performed on links which appear in <a> tags, as well as images, frames, plug-ins, backgrounds, local image maps, style sheets, scripts and Java applets. The program follows links to other pages, and checks the links on those pages also, so it is possible to check an entire site for broken links in one session. Xenu displays a continuously updated list of

URL A Uniform Resource Locator (URL), colloquially termed as a web address, is a reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it. A URL is a specific type of Uniform Resource Identifi ...

s which can be sorted according to different criteria. The program uses a "simple, no-frills user-interface", and can help users understand how certain Web sites are structured. The program has support for SSL Web sites.

Reception

Xenu's Link Sleuth software was called the "fastest link-checking software" by '' PC Magazine'', and "amazingly fast, very accurate" by a

University of Wyoming The University of Wyoming (UW) is a public land-grant research university in Laramie, Wyoming. It was founded in March 1886, four years before the territory was admitted as the 44th state, and opened in September 1887. The University of Wyomin ...

newsletter. The software was used as a testing tool in a usability study at

Grand Valley State University Grand Valley State University (GVSU, GV, or Grand Valley) is a public university in Allendale, Michigan. It was established in 1960 as Grand Valley State College. Its main campus is situated on approximately west of Grand Rapids. The universi ...

. Xenu's Link Sleuth has also been cited by Rossett's ''The ASTD E-Learning Handbook'', Zhong's ''Intelligent Technologies for Information Analysis'', Gerrard's ''Risk-Based E-Business Testing'', Reynolds' ''The Complete E-Commerce Book'', Slocombe's ''Max Hits: Websites that Work'', George's ''The ABC of SEO'', as well as the

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

books ', and ', and

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...

books, ', and '.

References

External links

{{Portal, Internet
''Xenu's Link Sleuth'', Project home page
Windows-only freeware Web software Hypertext