Editing Deep web (section)

{{short description|Content of the World Wide Web that is not indexed by search engines}}
{{About | the part of the World Wide Web not indexed by traditional search engines}}
{{Distinguish |Dark web}}
{{Use mdy dates|date=May 2022}}
{{Wiktionary|Deep Web}}

The '''deep web''',<ref>{{cite book |citeseerx= 10.1.1.90.5847 |chapter-url= http://www.iadisportal.org/digital-library/the-mechanics-of-a-deep-net-metasearch-engine |chapter=The Mechanics of a Deep Net Metasearch Engine |pages=1034–1036 |last= Hamilton |first= Nigel |year= 2019–2020 |editor1-first= Pedro |editor1-last= Isaías |editor2-first= António |editor2-last= Palma dos Reis |title= Proceedings of the IADIS International Conference on e-Society |publisher= IADIS Press |isbn= 978-972-98947-0-1 }}</ref> '''invisible web''',<ref>{{cite journal |last1= Devine |first1= Jane |last2= Egger-Sider |first2= Francine |title= Beyond google: the invisible web in the academic library |journal= The Journal of Academic Librarianship |date= August 2021 |volume= 30 |issue= 4 |pages= 265–269 |doi= 10.1016/j.acalib.2004.04.010 }}</ref> or '''hidden web'''<ref name="cthw">{{cite journal|title= Crawling the Hidden Web|journal= 27th International Conference on Very Large Data Bases|date= September 11–14, 2001|first1= Sriram|last1= Raghavan|first2= Hector|last2= Garcia-Molina|url=http://ilpubs.stanford.edu:8090/725/}}</ref> are parts of the [[World Wide Web]] whose contents are not [[Search engine indexing|indexed]] by standard [[web search engine|web search-engine program]]s.<ref>{{Cite web |last=Maor |first=Etay |title=Council Post: Lessons Learned From Tracing Cybercrime's Evolution On The Dark Web |url=https://www.forbes.com/councils/forbestechcouncil/2024/02/02/lessons-learned-from-tracing-cybercrimes-evolution-on-the-dark-web/ |access-date=2024-09-22 |website=Forbes |language=en}}</ref> This is in contrast to the "[[surface web]]", which is accessible to anyone using the Internet.<ref>{{cite web |title= Surface Web |url= https://www.computerhope.com/jargon/s/surface-web.htm |publisher= Computer Hope |access-date= June 20, 2018}}</ref> [[Computer science|Computer scientist]] Michael K.&nbsp;Bergman is credited with inventing the term in 2001 as a search-indexing term.<ref name=":0">
{{cite news
 | last = Wright
 | first = Alex
 | title = Exploring a 'Deep Web' That Google Can't Grasp
 | work =[[The New York Times]]
 | date = February 22, 2009
 | url = https://www.nytimes.com/2009/02/23/technology/internet/23search.html?th&emc=th
 | access-date = September 2, 2019
| quote = [...] Mike Bergman, a computer scientist and consultant who is credited with coining the term Deep Web.
}}
</ref>

Deep web sites can be accessed by a direct [[URL]] or [[IP address]], but may require entering a password or other security information to access actual content.<ref>Madhavan, J., Ko, D., Kot, Ł., Ganapathy, V., Rasmussen, A., Halevy, A. (2008). Google's deep web crawl. Proceedings of the VLDB Endowment, 1(2), 1241–1252.</ref><ref>{{cite web |last=Shedden |first=Sam |date=June 8, 2014 |title=How Do You Want Me to Do It? Does It Have to Look like an Accident? – an Assassin Selling a Hit on the Net; Revealed Inside the Deep Web |url=https://www.questia.com/article/1G1-370513892/how-do-you-want-me-to-do-it-does-it-have-to-look |url-access= |url-status=dead |archive-url=https://web.archive.org/web/20200301174912/https://www.questia.com/article/1G1-370513892/how-do-you-want-me-to-do-it-does-it-have-to-look |archive-date=March 1, 2020 |access-date= |newspaper=[[Sunday Mail (Scotland)|Sunday Mail]]}}</ref> Uses of deep web sites include [[web mail]], [[online banking]], [[cloud storage]], restricted-access [[social-media]] pages and profiles, and [[web forums]] that require registration for viewing content. It also includes [[paywall]]ed services such as [[video on demand]] and some online magazines and newspapers.