583:...a system, method and computer program product for providing links to remotely located information in a network of remotely connected computers. A uniform resource locator (URL) is registered with a server. A shorthand link is associated with the registered URL. The associated shorthand link and URL are logged in a registry database. When a request is received for a shorthand link, the registry database is searched for an associated URL. If the shorthand link is found to be associated with a URL, the URL is fetched, otherwise an error message is returned.
1085:
168:
839:, however, has warned its users: "TinyURL may be unsafe. This website has been known to distribute spyware." TinyURL countered this problem by offering an option to view a link's destination before using a shortened URL. This ability is installed on the browser via the TinyURL website and requires the use of cookies. A destination preview may also be obtained by prefixing the word "preview" to the URL of the TinyURL; for example, the destination of
69:
246:
hundreds of characters long and that contain complex character patterns. Such URLs are difficult to memorize, type out or distribute. As a result, long URLs must be copied and pasted for reliability. Thus, short URLs may be more convenient for websites or hard copy publications (e.g. a printed magazine or a book), the latter often requiring that very long strings be broken into multiple lines (as is the case with some
847:. Other URL shortening services provide a similar destination display. Security professionals suggest that users check a short URL's destination before accessing it, following an instance where the shortening service cli.gs was compromised, exposing millions of users to security uncertainties. There are several web applications that can display the destination URL of a shortened URL.
867:
more HTTP/HTTPS request), thereby increasing latency, the time taken to access the page, and also the risk of failure, since the shortening service may become unavailable. Another operational limitation of URL shortening services is that browsers do not resend POST bodies when a redirect is encountered. This can be overcome by making the service a
858:
links for driving directions that reveal personal information like home addresses and sensitive destinations like "clinics for specific diseases (including cancer and mental diseases), addiction treatment centers, abortion providers, correctional and juvenile detention facilities, payday and car-title lenders, gentlemen's clubs, etc."
1415:
305:
Some websites create short links to make sharing links via instant messaging easier, and to make it cheaper to send them via SMS. This can be done online, at the web pages of a URL shortening service; to do it in batch via bulk upload with tools like CSV importer or on demand may require the use of
726:
The last straw came on
September 3, 2010, when the server was disconnected without notice by our hosting provider in response to reports of a number of links to child pornography sites. The disconnection of the server caused us serious problems, and to be honest, the level and nature of the abuse
245:
There are several reasons to use URL shortening. Often regular unshortened links may be aesthetically unpleasing. Many web developers pass descriptive attributes in the URL to represent data hierarchies, command structures, transaction paths or session information. This can result in URLs that are
866:
Short URLs, although making it easier to access what might otherwise be a very long URL or user-space on an ISP server, add an additional layer of complexity to the process of retrieving web pages. Every access requires more requests (at least one more DNS lookup, though it may be cached, and one
857:
Another privacy problem is that many services' shortened URL format is small enough that it is vulnerable to brute-force search. Many people use URL shorteners when they share links to private content, and in fact many web services like Google Maps have offered automatic generation of shortened
289:
can generate URLs that are human-readable, although the resulting strings are longer than those generated by a length-optimized service. Finally, URL shortening sites provide detailed information on the clicks a link receives, which can be simpler than setting up an equally powerful server-side
232:
Other uses of URL shortening are to "beautify" a link, track clicks, or disguise the underlying address. This is because the URL shortener can redirect to just about any web domain, even malicious ones. So, although disguising of the underlying address may be desired for legitimate business or
560:
A permanent URL is not necessarily a good thing. There are security implications, and obsolete short URLs remain in existence and may be circulated long after they cease to point to a relevant or even extant destination. Sometimes a short URL is useful simply to give someone over a telephone
691:
The main advantage of a short link is its brevity. Depending on the transcription used, it might be more easily communicated and entered without error. To some extent it can obscure the destination of the URL; this may be advantageous, disadvantageous, or irrelevant.
683:" (although existing goo.gl links will continue to function). On July 18, 2024, Google announced that existing Google URL shortener URLs will stop working as of August 25, 2025. Google will add an interstitial page to warn users about this starting August 23, 2024.
271:, so there is no need to use a separate URL shortening service just to shorten URLs in a tweet. On other such services, using a URL shortener can allow linking to web pages which would otherwise violate this constraint. Some shortening services, such as
767:, for instance, exercised its control over the .ly domain in October 2010 to shut down vb.ly for violating Libyan pornography laws. Failure to predict such problems with URL shorteners and investment in URL shortening companies may reflect a lack of
814:
URL shortening services for link submissions, because they disguise the origin domain name and whether the link has previously been submitted to Reddit, and there are few or no legitimate reasons to use link shorteners for Reddit link submissions.
746:
if the shortening service stops working; all URLs related to the service will become broken. It is a legitimate concern that many existing URL shortening services may not have a sustainable business model in the long term. In late 2009, the
576:
498:. This results in registration of different URL shorteners with a myriad of different countries, leaving no relation between the country where the domain has been registered and the URL shortener itself or the shortened links.
343:, these keys are case-sensitive most of the time and using the wrong case may lead to a different destination URL. Not all redirection is treated equally; the redirection instruction sent to a browser can contain in its header
854:. Many sites that accept user-submitted content block links, however, to certain domains in order to cut down on spam, and for this reason, known URL redirection services are often themselves added to spam blocklists.
313:
A few well-known websites have set up their own URL shortening services for their own use – for example, Twitter with t.co, Telegram with t.me, Google with g.co, and GoDaddy with x.co.
719:
According to Tonic
Corporation, the registry for .to domains, it is "very serious about keeping domains spam free" and may remove URL shortening services from their registry if the service is abused.
221:
in a message (for example SMS), for reducing the amount of typing required if the reader is copying a URL from a print source, for making it easier for a person to remember, or for the intention of a
1190:
2115:
1536:"New Project in Scramble To Save Vanishing Internet Links – The Internet Archive Is Fighting To Preserve Shortened Web Links Created by Free Online Services That May Be Running Out of Money"
731:
Google's url-shortener discussion group has frequently included messages from frustrated users reporting that specific shortened URLs have been disabled after they were reported as spam.
598:
automatically translated URLs longer than twenty-six characters using TinyURL, although it began using bit.ly instead in 2009 and later developed its own URL shortening service, t.co.
2200:
704:
for indicating the country of origin; domain registration in many countries requires proof of physical presence within that country, although a redirected URL has no such guarantee.
265:
services, there is a limit to the number of characters a message can carry – however, Twitter now shortens links automatically using its own URL shortening service,
742:
The convenience offered by URL shortening also introduces potential problems, which have led to criticism of the use of these services. Short URLs, for example, will be subject to
2289:
1357:
564:
Some providers offer expiration on shortened URLs. This may include URLs that expire after a certain amount of time, on a certain date or after a certain number of usages.
835:; this facilitates redirection of a user to blocked scam pages or pages containing malware or XSS attacks. TinyURL tries to disable spam-related links from redirecting.
237:, because of the use of their redirect services by sites trying to bypass those very same blocklists. Some websites prevent short, redirected URLs from being posted.
297:
are often shortened by a URL shortener in order to reduce the printed area of the code, or allow printing at lower density in order to improve scanning reliability.
2039:
1162:
1791:
871:, or by elaborate schemes involving cookies and buffered POST bodies, but such techniques present security and scaling challenges, and are therefore not used on
1982:
1617:
1909:
1704:
630:
shortener, and questioning whether other shortening services could be profitable from URL shortening in the longer term. It resumed for a time, then closed.
557:
While many providers claim their shortened URLs won't expire for as long as the service is provided, they may decide to discontinue the service at any time.
2166:
2070:
626:
One service, tr.im, stopped generating short URLs in 2009, blaming a lack of revenue-generating mechanisms to cover costs and
Twitter's default use of the
2112:"Shmatikov, Vitaly, "Gone In Six Characters: Short URLs Considered Harmful for Cloud Services." Blog entry dated April 14, 2016; retrieved April 26, 2016"
1643:
594:, was launched in 2002. Its popularity influenced the creation of at least 100 similar websites, although most are simply domain alternatives. Initially,
1476:
1180:
716:
or for illicit internet activities. As a result, many have been removed from online registries or shut down by web hosts or internet service providers.
1673:
2091:
2111:
1586:
1413:, Nimrod Megiddo and Kevin S. McCurley; assigned to IBM corp., "Efficient retrieval of uniform resource locators", issued 2005-10-18
727:
has become quite demoralizing. Given the choice between spending time and money to find a different home, or just giving up, the latter won out.
587:
The patent was filed in
September 2000; while the patent was issued in 2005, US patent applications are made public within 18 months of filing.
751:
started the "301 Works" projects, together with twenty collaborating companies (initially), whose short URLs will be preserved by the project.
2252:
2294:
2192:
358:. Alternatively, if uppercase and lowercase letters are differentiated, then each character can represent a single digit within a number of
1538:
1306:
1073:. Such scripts avoid many issues with shortening services, keep the domain name as part of the shortened link, and can be made private.
655:
announced a service called Google URL Shortener at goo.gl, which originally was only available for use through Google products (such as
567:
A Microsoft
Security Brief recommends the creation of short-lived URLs, but for reasons explicitly of security rather than convenience.
1456:
734:
A study in May 2012 showed that 61% of URL shorteners had shut down (614 of 1002). The most common cause cited was abuse by spammers.
2226:
1388:
2098:
675:
became available via a direct interface. The goo.gl service provides analytics details and a QR code generator. On 30 March 2018
1572:
1726:
1347:
1508:
133:
1324:
105:
1560:
542:) have been used as well as many others. In some cases, the political or cultural aspects of the country in charge of the
2303:
2137:
Georgiev, Martin; Shmatikov, Vitaly (2016). "Gone in Six
Characters: Short URLs Considered Harmful for Cloud Services".
2035:
1874:"Law, Politics and Internet Addresses – Tough.ly/Treated – Shortened Web Links Are Convenient, But They Come at a Price"
1159:
633:
The shortest possible long-term URLs were generated by NanoURL from
December 2009 until about 2011, associated with the
1931:
1220:
1124:
1787:
1613:
763:
domains, and are therefore often under the jurisdiction of a nation other than where the service provider is located.
112:
152:
1905:
1883:
1696:
2333:
1847:
823:
A short URL obscures the target address and can be used to redirect to an unexpected site. Examples of this are "
86:
1957:
119:
2158:
1639:
90:
2062:
1665:
1473:
1321:"#HootSuite Offers Choice of URL Shorteners ~ From Libya to Liechtenstein – HootSuite Social Media Management"
2328:
1431:
1099:
760:
34:
2013:
1813:
1280:
1134:
233:
personal reasons, it is open to abuse. Some URL shortening service providers have found themselves on spam
193:(URL) may be made substantially shorter and still direct to the required page. This is achieved by using a
101:
1590:
609:
URL shortener for use when referring to any WordPress.com blog post. In
November 2009, shortened links on
1756:
2063:"Shortened URL Security - Information Security Office - Computing Services - Carnegie Mellon University"
1410:
561:
conversation for a one-off access or file download, and no longer needed within a couple of minutes.
344:
30:
347:
such as 301 (moved permanently), 302 (found), 307 (temporary redirect) or 308 (permanent redirect).
2248:
1114:
1061:
and commercial scripts are also available for redirecting and shortening links, usually written in
367:
190:
679:
announced that it is "turning down support for goo.gl over the coming weeks and replacing it with
370:
so that key sequence is not predictable. Or users may propose their own custom keys. For example,
172:
79:
831:, or to affiliate websites. The short URL can allow blocked URLs to be accessed, bypassing site
2036:"the JoshMeister on Security: How to Preview Shortened URLs (TinyURL, bit.ly, is.gd, and more)"
1019:
57:
1535:
1453:
1302:
332:
218:
850:
Some URL shortening services filter their links through bad-site screening services such as
381:
Not all URI schemes are capable of being shortened as of 2011, although URI schemes such as
126:
1840:"301Works.org : Free Software : Download & Streaming : Internet Archive"
1250:
851:
672:
590:
Another reference to URL shortening was in 2001. The first notable URL shortening service,
460:
354:, assuming 26 letters and 10 numbers. In this case, each character in the sequence will be
1381:"Protect Your Site With URL Rewriting – A Stateless Approach: Automatically Expiring URLs"
936:
680:
8:
1995:
1380:
1185:
1444:. 10 June 2001; Announcement of URL shortening service available at makeashorterlink.com
2222:
2138:
1492:
1104:
490:
Makers of URL shorteners usually register domain names with less popular or esoteric
464:
262:
1084:
290:
analytics engine, and unlike the latter, does not require any access to the server.
2307:
1505:
748:
701:
634:
499:
491:
350:
There are several techniques to implement URL shortening. Keys can be generated in
2284:
1542:
1512:
1480:
1460:
1435:
1320:
1166:
1090:
1066:
472:
450:
322:
194:
549:
Services may record inbound statistics, which may be viewed publicly by others.
787:
656:
251:
186:
2317:
2279:
2179:
Shortens URLs written to a specified Cloud
Firestore collection (uses Bitly).
1878:
1139:
868:
768:
722:
In addition, "u.nu" made the following announcement upon closing operations:
664:
535:
363:
1212:
546:
may become an issue for users and owners, but this is not usually the case.
2323:
1869:
1129:
1109:
783:
480:
476:
214:
167:
1873:
794:
does not accept links by any URL shortening services in its articles. The
2196:
2193:"Google Buys G.Co To Create An Official URL Shortcut For Google Products"
1978:
1058:
824:
495:
210:
1839:
1817:
1440:
828:
660:
328:
225:. In November 2009, the shortened links of the URL shortening service
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1953:
1547:
1515:
1070:
963:
872:
836:
832:
791:
602:
234:
222:
176:
459:
URLs are not supported for security reasons (to combat attacks like
68:
1119:
1038:
713:
527:
519:
449:
are being addressed by such services as URL shorteners. Typically,
217:
may be desired for messaging technologies that limit the number of
198:
2009:
1428:
1272:
1001:
743:
668:
595:
591:
484:
359:
351:
294:
279:
258:
1033:
Users can generate links to
Wikimedia Foundation projects only.
779:
Some websites prevent short, redirected URLs from being posted.
2298:
1348:"How to spy on campaigns of competitors who use URL shorteners"
921:
903:
795:
676:
652:
611:
494:
in order to achieve a short URL and a catchy name, often using
285:
273:
247:
1752:
1697:"Transitioning Google URL Shortener to Firebase Dynamic Links"
2092:"Updated: Cligs Got Hacked – Restoration from Backup Started"
1923:
1352:
764:
511:
503:
226:
56:
For information about short URLs for pages on Knowledge, see
2094:
1990:
1487:
982:
944:
267:
1640:"goo.gl "URL Shortener – Google Chrome Extension Gallery""
467:). Some URL shortening services support the forwarding of
1777:
http://u.nu/unu-discontinued "u.nu :: discontinued."
1062:
543:
539:
531:
523:
515:
507:
307:
1727:"Google URL Shortener links will no longer be available"
1069:
or a plugin for one of the popular applications such as
1614:"Making URLs Shorter for Google Toolbar and FeedBurner"
327:
In URL shortening, every long URL is associated with a
782:
In April 2009, TinyURL was reported to be blocked in
648:
represents a sequence of random numbers and letters.
1666:"Official YouTube Blog: Make Way for youtu.be Links"
1632:
1080:
372:
https://example.com/product?ref=01652&type=shirt
623:were the most widely used URL-shortening services.
615:were accessed 2.1 billion times. Around that time,
552:
93:. Unsourced material may be challenged and removed.
1181:"Twitter's t.co URL shortener used to spread spam"
2136:
1587:".TO ccTLD Becomes Worlds Shortest URL Shortener"
1339:
861:
293:URLs encoded in two dimensional barcodes such as
2315:
1908:. Committee to Protect Bloggers. 16 April 2009.
1242:
700:Short URLs often circumvent the intended use of
1611:
1378:
2190:
2038:. Security.thejoshmeister.com. 11 April 2009.
1916:
1753:"Tonic Corporation Frequently asked questions"
1463:shortenurl – Supported URL shortening services
1930:. Meta, discussion about Wikimedia projects.
1605:
1160:Goo.gl Challenges Bit.ly as King of the Short
671:URL Shortener, youtu.be. From September 2010
2223:"About Twitter's link service (http://t.co)"
1868:
362:(26 + 26 + 10). In order to form the key, a
1612:Muthusrinivasan, Muthu (14 December 2009).
790:blocks postings that contain TinyURLs, and
667:. On 21 December 2009, Google introduced a
483:. This may sometimes be done using short,
201:that has a long URL. For example, the URL "
15:
300:
16:
2159:"Firebase Extensions | Shorten URLs"
2142:
487:-protected URLs, but this is not common.
153:Learn how and when to remove this message
2288:) is being considered for deletion. See
1530:
1528:
1526:
1524:
1466:
1303:"Spammers Storm URL Shortening Services"
166:
24:This is an accepted version of this page
1345:
818:
774:
759:Shortened internet links typically use
203:https://en.wikipedia.org/URL_shortening
14:
2316:
2255:from the original on 21 September 2021
2169:from the original on 25 September 2020
2060:
1178:
1172:
2304:Comparison of URL Shortening Services
1676:from the original on 25 December 2009
1521:
1360:from the original on 2 September 2012
1309:from the original on 1 November 2019.
806:and in some subreddits, outright bans
1960:from the original on 8 February 2017
1886:from the original on 17 October 2010
1816:. Yi.tl. 23 May 2012. Archived from
1694:
1589:. Domainnamenews.com. Archived from
1584:
1474:"Bit.ly Eclipses TinyURL on Twitter"
1253:from the original on 14 January 2019
754:
213:is shorter than the original one. A
91:adding citations to reliable sources
62:
1912:from the original on 19 April 2009.
1850:from the original on 1 October 2016
1346:Chapman, Stephen (28 August 2012).
977:Now inside the Hootsuite dashboard
878:
356:0, 1, 2, ..., 9, a, b, c, ..., y, z
48:
2118:from the original on 23 April 2016
2042:from the original on 25 March 2014
2016:from the original on 20 April 2013
1934:from the original on 20 March 2017
1646:from the original on 12 April 2011
1223:from the original on 27 April 2022
1169:– New York Times, 14 December 2009
1125:List of Internet top-level domains
712:URL shortening may be utilized by
49:
2345:
2292:to help reach a consensus. ›
2271:
2229:from the original on 2 April 2023
2203:from the original on 21 July 2011
1906:"TinyURL Blocked in Saudi Arabia"
1814:"Ultimate list of URL shorteners"
1759:from the original on 19 July 2013
1707:from the original on 30 June 2018
1391:from the original on 17 July 2013
1327:from the original on 14 June 2013
1193:from the original on 3 April 2015
845:https://preview.tinyurl.com/8kmfp
229:were accessed 2.1 billion times.
2073:from the original on 1 June 2022
1794:from the original on 8 July 2019
1620:from the original on 31 May 2013
1534:Ahmed, Murad (7 December 2009).
1179:Curtis, Sophie (8 August 2014).
1083:
1048:
1029:
992:
954:
931:
695:
575:An early reference is US Patent
553:Expiry and time-limited services
376:https://tinyurl.com/exampleshirt
67:
2241:
2215:
2191:Alexia Tsotsis (18 July 2011).
2184:
2151:
2130:
2104:
2085:
2054:
2028:
2002:
1972:
1946:
1898:
1862:
1832:
1806:
1780:
1771:
1745:
1719:
1688:
1658:
1578:
1566:
1554:
1499:
1447:
1422:
1403:
1283:from the original on 3 May 2022
1052:Announcement of youtu.be Links
475:, to avoid unwanted harvest by
78:needs additional citations for
2295:URL redirection and shortening
1379:Sullivan, Bryan (March 2009).
1372:
1313:
1295:
1265:
1235:
1205:
1153:
862:Additional layer of complexity
798:community strongly discourages
331:, which is the part after its
13:
1:
2277:
2249:"Make Way for youtu.be Links"
2061:University, Carnegie Mellon.
1146:
1100:Country code top-level domain
686:
316:
1999:). Retrieved 1 January 2011.
1983:"Spam Spotted Using TinyURL"
1506:"WP.me – Shorten Your Links"
1496:). Retrieved 1 January 2011.
1472:Wortham, Jenna (7 May 2009)
875:or Internet-scale services.
640:(Tonga) domain, in the form
7:
1616:. Googleblog.blogspot.com.
1551:. Retrieved 1 January 2011.
1387:. Microsoft MSDN Magazine.
1305:. CertMag. 17 August 2009.
1076:
471:URLs, as an alternative to
240:
10:
2350:
737:
570:
345:HTTP response status codes
337:https://tinyurl.com/m3q2xt
320:
55:
1788:"Google Discussiegroepen"
1731:developers.googleblog.com
1454:"URL Shortening Services"
1409:
1135:Service d'adresse mondial
841:https://tinyurl.com/8kmfp
2290:templates for discussion
1541:17 December 2013 at the
1479:23 November 2010 at the
1434:5 September 2009 at the
1115:Generic top-level domain
843:is revealed by entering
707:
191:Uniform Resource Locator
31:latest accepted revision
2334:URL-shortening services
996:Twitter's link service
368:random number generated
301:Registering a short URL
205:" can be shortened to "
1511:18 August 2009 at the
1459:3 January 2010 at the
1323:. Blog.hootsuite.com.
958:Google's link service
827:", and redirecting to
729:
681:Firebase Dynamic Links
585:
209:". Often the redirect
185:is a technique on the
179:
58:Knowledge:URLShortener
1670:Official YouTube Blog
1429:"Comment thread 8916"
1411:US patent 6957224
1277:shortener.godaddy.com
1217:developer.twitter.com
724:
663:) and extensions for
581:
502:of countries such as
333:top-level domain name
170:
2329:Internet terminology
1165:10 July 2011 at the
1024:Wikimedia Foundation
852:Google Safe Browsing
819:Privacy and security
775:Blocking and banning
673:Google URL Shortener
651:On 14 December 2009
461:cross-site scripting
374:can be shortened to
87:improve this article
2010:"Preview a TinyURL"
1996:The Washington Post
1872:(14 October 2010).
1695:Hermanto, Michael.
1186:The Daily Telegraph
197:which links to the
21:Page version status
1928:meta.wikimedia.org
1493:The New York Times
1105:Domain Name System
1043:YouTube (Alphabet)
601:On 14 August 2009
579:, which describes
366:can be made, or a
180:
27:
2114:. 14 April 2016.
1701:Google Developers
1585:Michlick, Frank.
1573:tr.im Resurrected
1518:. 14 August 2009.
1056:
1055:
755:Transnational law
702:top-level domains
500:Top-level domains
492:Top-level domains
465:session hijacking
263:instant messaging
163:
162:
155:
137:
18:
2341:
2308:SearchEngineLand
2265:
2264:
2262:
2260:
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2213:
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2127:
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2123:
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2082:
2080:
2078:
2058:
2052:
2051:
2049:
2047:
2032:
2026:
2025:
2023:
2021:
2006:
2000:
1981:(13 June 2006).
1976:
1970:
1969:
1967:
1965:
1950:
1944:
1943:
1941:
1939:
1924:"Spam blacklist"
1920:
1914:
1913:
1902:
1896:
1895:
1893:
1891:
1866:
1860:
1859:
1857:
1855:
1836:
1830:
1829:
1827:
1825:
1820:on 18 April 2013
1810:
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1801:
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1764:
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1436:Wayback Machine
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1385:Security Briefs
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1987:Security Fixes
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605:announced the
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187:World Wide Web
183:URL shortening
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39:29 August 2024
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1879:The Economist
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104: –
103:
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98:Find sources:
92:
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82:
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76:This article
74:
70:
65:
64:
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54:
51:Web technique
40:
36:
32:
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2283:
2259:19 September
2257:. Retrieved
2243:
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2217:
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1979:Krebs, Brian
1974:
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1877:
1870:Staff writer
1864:
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1843:
1834:
1822:. Retrieved
1818:the original
1808:
1796:. Retrieved
1782:
1773:
1761:. Retrieved
1755:. Tonic.to.
1747:
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1730:
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1700:
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1607:
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1591:the original
1580:
1575:. blog.tr.im
1568:
1561:tr.im R.I.P.
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1315:
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1225:. Retrieved
1216:
1213:"t.co links"
1207:
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1184:
1174:
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1130:Semantic URL
1110:Emoji domain
1057:
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496:domain hacks
489:
477:web crawlers
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250:software or
244:
231:
215:friendly URL
182:
181:
164:
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116:
109:
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85:Please help
80:verification
77:
53:
38:
29:This is the
23:
2278:‹ The
2197:Tech Crunch
2173:8 September
2067:www.cmu.edu
1844:archive.org
1680:24 December
1059:Open source
829:shock sites
825:rickrolling
457:javascript:
280:tinyurl.com
211:domain name
189:in which a
2318:Categories
1964:9 February
1938:4 November
1563:blog.tr.im
1441:Metafilter
1147:References
895:Custom URL
833:blocklists
687:Advantages
661:FeedBurner
329:unique key
321:See also:
317:Techniques
235:blocklists
219:characters
113:newspapers
1890:1 January
1854:19 August
1548:The Times
1516:WordPress
1071:WordPress
873:extranets
837:ZoneAlarm
792:Knowledge
635:top-level
603:WordPress
261:and some
223:permalink
177:Meta-Wiki
143:July 2014
2280:template
2253:Archived
2227:Archived
2201:Archived
2167:Archived
2163:Firebase
2122:26 April
2116:Archived
2071:Archived
2046:20 April
2040:Archived
2020:20 April
2014:Archived
1958:Archived
1932:Archived
1910:Archived
1884:Archived
1848:Archived
1824:20 April
1798:20 April
1792:Archived
1763:20 April
1757:Archived
1733:. Google
1705:Archived
1674:Archived
1650:20 April
1644:Archived
1624:20 April
1618:Archived
1597:20 April
1539:Archived
1509:Archived
1477:Archived
1457:Archived
1432:Archived
1395:1 August
1389:Archived
1358:Archived
1331:20 April
1325:Archived
1307:Archived
1281:Archived
1251:Archived
1221:Archived
1197:15 March
1191:Archived
1163:Archived
1120:Link rot
1077:See also
1046:internal
1039:youtu.be
1027:internal
990:internal
952:internal
898:Comment
714:spammers
644:, where
528:Malaysia
520:Mongolia
241:Purposes
199:web page
195:redirect
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2282:below (
2207:18 July
2077:26 July
1737:18 July
1711:1 April
1006:TinyURL
1002:TinyURL
987:Twitter
889:Company
808:
800:
744:linkrot
738:Linkrot
669:YouTube
621:TinyURL
596:Twitter
592:TinyURL
577:6957224
571:History
485:CAPTCHA
360:base 62
352:base 36
295:QR code
259:Twitter
127:scholar
2299:Curlie
2285:Curlie
2099:Cli.gs
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1287:10 May
1257:10 May
1243:"g.co"
1227:10 May
1020:w.wiki
949:Google
926:Google
922:goo.gl
904:bit.ly
796:Reddit
677:Google
653:Google
628:bit.ly
617:bit.ly
612:bit.ly
534:) and
469:mailto
439:gopher
399:mailto
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286:bit.ly
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274:goo.gl
248:e-mail
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2139:arXiv
1353:ZDNet
1065:as a
964:ow.ly
908:Bitly
765:Libya
761:ccTLD
708:Abuse
607:wp.me
512:Samoa
504:Libya
452:data:
411:rtmpt
387:https
227:Bitly
134:JSTOR
120:books
2261:2021
2235:2021
2209:2011
2175:2020
2124:2016
2095:Blog
2079:2022
2048:2013
2022:2013
1991:blog
1966:2017
1940:2016
1892:2010
1856:2016
1826:2013
1800:2013
1765:2013
1739:2024
1713:2018
1682:2009
1652:2013
1626:2013
1599:2013
1488:blog
1484:Bits
1397:2013
1366:2012
1333:2013
1289:2022
1259:2022
1247:g.co
1229:2022
1199:2015
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945:g.co
892:Type
886:Site
659:and
646:xxxx
619:and
481:bots
463:and
455:and
445:and
443:dict
435:ldap
431:news
427:nntp
423:imap
415:ed2k
407:rtmp
395:ftps
383:http
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
