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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. 355: 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 290:
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 Visitors who store the URL for a particular entry often find upon their return that the desired content has been replaced by something new.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
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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
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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.
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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. 1301: 957: 69: 628: 1021: 112: 1461: 1006: 509: 84: 883: 65: 330:(persistent uniform resource locator) are used as a persistent URL, and redirect to the location of the requested 497: 443:
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
663: 487: 180: 346:; permalinks usually do not change the URL's domain, and are intended for use on timescales of years. 80: 1456: 1406: 705: 1338: 1333: 1258: 937: 658: 37: 1431: 1253: 1077: 1057: 770: 725: 700: 1321: 1316: 1230: 1179: 1011: 904: 354: 232: 33: 291:
bloggers to encourage visitors to store a more long-lived URL (the permalink) for reference.
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by a source outside the originating organization. Before the advent of large-scale dynamic
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Permanence in links is desirable when content items are likely to be linked to, from, or
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that is intended to remain unchanged for many years into the future, yielding a
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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
168:, to be easier to type and remember. Most modern blogging and 153: 41: 447:. The link element should include the following attributes: 362:
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 1389: 1294: 1229: 1222: 1090: 1045: 999: 971: 928: 897: 846: 825: 818: 682: 72:. Unsourced material may be challenged and removed. 334:. The main differences in the concepts are about 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. 629: 277:http://en.wikipedia.org/search/?title=Example 231:had discussed a permalink-style feature with 8: 473:"http://example.com/bookmark/123/" 283:from the more human-readable external URL, 1226: 1094: 822: 688: 636: 622: 614: 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 532: 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 25: 32:For permalinks in Knowledge, see 295:unaltered, as it functions as a 219:One cited early use of the term 46: 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 1: 223:in its current sense was by 160:that is less susceptible to 1007:Inter-process communication 510:Uniform Resource Identifier 1483: 674:Web syndication technology 31: 1160: 1097: 691: 651: 498:Digital object identifier 381:, the software that runs 197:content management system 179:A permalink is a type of 449: 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 357: 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 360: 1444: 1443: 1440: 1439: 1231:Alternative media 1218: 1217: 1180:Instant messaging 1086: 1085: 814: 813: 142: 141: 134: 116: 16:(Redirected from 1474: 1227: 1107:Enhanced podcast 1095: 823: 689: 638: 631: 624: 615: 581: 580: 578: 577: 568:. 6 March 2000. 562: 556: 555: 553: 552: 543:. 5 March 2000. 537: 477: 474: 471: 468: 465: 462: 459: 456: 453: 373:specific version 286: 278: 137: 130: 126: 123: 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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: 218: 207: 192: 188: 184: 178: 149: 145: 143: 128: 119: 109: 102: 95: 88: 76: 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 455:link 452:< 441:HTML 407:Body 404:Date 338:and 328:PURL 326:and 312:Atom 242:blog 85:news 36:and 1467:URL 973:RSS 766:MP3 756:Law 696:Art 458:rel 445:URL 310:or 308:RSS 273:URI 154:URL 148:or 68:by 1453:: 1364:G2 287:. 144:A 1359:1 637:e 630:t 623:v 579:. 554:. 470:= 461:= 414:) 135:) 129:( 124:) 120:( 110:· 103:· 96:· 89:· 62:. 20:)

Index

Permalinks
Help:Page history § Linking to a specific revision of a page
Help:Permanent link

verification
improve this article
adding citations to reliable sources
"Permalink"
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message
URL
hyperlink
link rot
clean URLs
content-syndication
URL shortening
persistent identifier
content management system
hyperlinks
dynamic
Jason Kottke
Matthew Haughey
Blogger
Evan Williams
blog
cited

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