264:-backed content management systems, it was more common for URLs of specific pieces of content to be static and human-readable, as URL structure and naming were dictated by the entity creating that content. Increased volume of content and difficulty of management led to the rise of database-driven systems, and the resulting unwieldy and often-changing URLs necessitated deliberate policies with regard to URL design and link permanence.
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48:
385:, supports this type of permanent link. In its current implementation, old versions of specific articles, images, and templates are referenceable by unique unchanging URLs, though current entries may not use old versions of images and templates. Permanent links to specific versions are recommended for citing articles from sources such as Knowledge and
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An entry in a blog with many entries is accessible from the site's front page for only a short time. Visitors who store the URL for a particular entry often find upon their return that the desired content has been replaced by something new. Prominently posting permalinks is a method employed by
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Permalinks frequently consist of a string of characters that represent the date and time of posting, and an identifier that denotes the author who initially authored the item or its subject. Crucially, if an item is changed, renamed, or moved within the internal database, its permalink remains
418:
Permalinks are usually denoted by text link (i.e. "Permalink" or "Link to this Entry"), but sometimes a symbol may be used. The most common symbol used is the hash sign, or #. However, certain websites employ their own symbol to represent a permalink such as an
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and Paul Bausch the previous weekend, and Bausch had pointed out that it was technically feasible to produce permanent links in
Blogger, using a feature (written by him) that allowed the ID of a post to be placed in a Blogger template. In response to Kottke's
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of content, that is, if an entry is updated, a uniquely accessible version is not created. Thus, in the context of these systems, a permalink may refer to different content over time. In the context of systems that support versioning, such as most
199:
for pages served by that system. This usage is especially common in the blogosphere. Such links are not maintained by an outside authority, and their persistence is dependent on the durability of the content management system itself.
389:, to ensure that the content remains unchanged for review. A reviewer can then view the cited revision, the current revision, and the differences between the two.
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that references an internal database identifier. If an item is deleted altogether, its permalink can frequently not be reused.
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On
Knowledge, a permanent link to a specific version of an article is obtained from the "Permanent link" entry in the toolbox.
244:, on March 6, 2000, Haughey posted the technical details on his own weblog, which helped open the way to widespread adoption.
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of a page to allow automated browsing tools to detect the permalink and use it for linking instead of the stated
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Permalinks have subsequently been exploited for a number of innovations, including link tracing and link
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bloggers to encourage visitors to store a more long-lived URL (the permalink) for reference.
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Comments, permalink, and what category the entry was posted to (known as
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on March 5, 2000, in a post titled: "Finally. Did you notice the".
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In the early years of the web, all content was static, and thus all
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cite-as: A Link
Relation to Convey a Preferred URI for Referencing
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Help:Page history § Linking to a specific revision of a page
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URLs are made more readable by simplifying them. The internal
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is applied to persistent identifiers which are generated by a
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447:. The link element should include the following attributes:
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Many blogging and content management systems do not support
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pointed at a filename. Soon, though, many web pages became
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in weblogs, and referring to specific weblog entries in
566:"Caroline wishes outloud for | A Whole Lotta Nothing"
371:, a permalink is commonly understood as a link to a
164:. Permalinks are often rendered simply, that is, as
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275:for a Knowledge article named Example, which is
172:software systems support such links. Sometimes
397:Blog entries are usually laid out as follows:
216:, and many URLs began to include query terms.
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277:http://en.wikipedia.org/search/?title=Example
231:had discussed a permalink-style feature with
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473:"http://example.com/bookmark/123/"
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541:"Finally. Did you notice the (kottke.org)"
132:Learn how and when to remove this message
594:Cool URIs don't change - Tim Berners Lee
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439:Permalinks can be indicated within the
7:
70:adding citations to reliable sources
504:Persistent uniform resource locator
267:For example, Knowledge's internal
187:is sometimes used as a synonym of
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32:For permalinks in Knowledge, see
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219:One cited early use of the term
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572:from the original on 2011-07-16
547:from the original on 2022-12-22
285:http://en.wikipedia.org/Example
57:needs additional citations for
269:Common Gateway Interface-based
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223:in its current sense was by
160:that is less susceptible to
1007:Inter-process communication
510:Uniform Resource Identifier
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674:Web syndication technology
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498:Digital object identifier
381:, the software that runs
197:content management system
179:A permalink is a type of
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176:is used to create them.
431:(§), or a unique icon.
350:Permalinks and versions
27:Permanent web hyperlink
359:
189:persistent identifier.
488:Persistent identifier
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314:syndication streams.
181:persistent identifier
1407:Glossary of blogging
1371:Social communication
604:Link type "bookmark"
464:"bookmark"
191:More often, though,
66:improve this article
435:Permalink detection
318:Comparing with PURL
279:, is generated via
170:content-syndication
38:Help:Permanent link
1462:Unique identifiers
1432:Uses of podcasting
1170:Collaborative blog
1165:Anonymous blogging
1058:RSS Advisory Board
726:Electronic journal
599:Choose URIs wisely
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568:. 6 March 2000.
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281:URL rewriting
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237:Evan Williams
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83: –
82:
78:
77:Find sources:
71:
67:
61:
60:
55:This article
53:
49:
44:
43:
39:
35:
30:
19:
1266:Online diary
1210:Motovlogging
1185:Liveblogging
1132:Slidecasting
1032:RSS tracking
953:Product feed
858:
701:Bloggernacle
574:. Retrieved
560:
549:. Retrieved
535:
493:Deep linking
438:
429:section sign
423:, a dash, a
417:
396:
393:Presentation
377:
372:
361:
332:web resource
323:
321:
301:
297:magic cookie
293:
289:
266:
251:
235:co-founders
225:Jason Kottke
220:
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207:
192:
188:
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64:Please help
59:verification
56:
29:
1457:Identifiers
1397:Blogosphere
1302:Aggregation
1122:Peercasting
1022:Referencing
716:Dream diary
516:URL mapping
336:domain name
81:"Permalink"
1451:Categories
1295:Micromedia
1249:Journalism
1152:Web series
1127:Screencast
1112:Mobilecast
1027:RSS editor
910:Geotagging
874:Reblogging
833:BitTorrent
819:Technology
664:Podcasting
576:2008-12-16
551:2005-12-09
527:References
364:versioning
340:time scale
210:hyperlinks
166:clean URLs
92:newspapers
18:Permalinks
1381:Web Slice
1239:Carnivals
1200:Spam blog
1190:Microblog
1175:Columnist
1137:Videocast
948:Photofeed
943:Data feed
938:Atom feed
898:Mechanism
889:Trackback
859:Permalink
786:Political
776:Photoblog
711:Corporate
383:Knowledge
379:MediaWiki
324:permalink
304:trackback
260:built on
221:permalink
193:permalink
185:permalink
158:hyperlink
146:permalink
122:July 2007
1281:Software
1276:Sideblog
1259:Database
1142:Webcomic
1046:Standard
1012:Livemark
963:Web feed
958:RDF feed
930:Memetics
884:Rollback
869:Pingback
854:Linkback
847:Features
669:Vlogging
659:Blogging
570:Archived
545:Archived
521:Perma.cc
482:See also
421:asterisk
412:metadata
387:Wikinews
262:database
258:websites
162:link rot
1390:Related
1349:Hashtag
1339:AtomPub
1254:Citizen
1244:Fiction
1147:Webtoon
879:Refback
826:General
806:Warblog
796:Reverse
791:Project
761:Lifelog
741:Fashion
721:Edublog
655:History
427:(¶), a
425:pilcrow
344:decades
248:Purpose
233:Blogger
214:dynamic
204:History
106:scholar
1354:NewsML
1322:Search
1317:Review
1063:Usenet
1017:Mashup
1000:Social
991:RSS TV
981:GeoRSS
905:Thread
801:Travel
781:Police
751:Health
736:Family
506:(PURL)
108:
101:
94:
87:
79:
1327:Video
1223:Media
684:Types
512:(URI)
500:(DOI)
476:/>
401:Title
369:wikis
322:Both
254:cited
152:is a
113:JSTOR
99:books
1334:Atom
1312:Poll
1307:News
1091:Form
1078:XOXO
1073:XBEL
1053:OPML
986:MRSS
864:Ping
771:News
746:Food
731:Fake
467:href
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