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DuckDuckGo DDG is an Internet search engine that emphasizes protecting searchers' privacy and avoiding the filter bubble of personalized search results DuckDuckGo distinguishes itself from other search engines by not profiling its users and by deliberately showing all users the same search results for a given search term DuckDuckGo emphasizes getting information from the best sources rather than the most sources, generating its search results from key crowdsourced sites such as Wikipedia and from partnerships with other search engines like Yandex, Yahoo!, Bing, and Yummly

The company is based in 20 Paoli Pike, Paoli, Pennsylvania, United States, in Greater Philadelphia, and has 21 employees The company name originates from the children's game duck, duck, goose

Some of DuckDuckGo's source code is free software hosted at GitHub under the Apache 20 License, but the core is proprietary On 21 May 2014, DuckDuckGo launched a redesigned version that focused on smarter answers and a more refined look The new version added often requested features such as images, local search, auto-suggest and more

On 18 September 2014, Apple included DuckDuckGo in its Safari browser as an optional search engine On 10 November 2014, Mozilla added DuckDuckGo as a search option to Firefox 331


  • 1 History
    • 11 May 2014 redesign
  • 2 Overview
    • 21 Instant Answers
    • 22 Tor hidden service
    • 23 Voice search
    • 24 Bangs
    • 25 Business model
  • 3 Reception
  • 4 Traffic
  • 5 See also
  • 6 References
  • 7 External links


DuckDuckGo was founded by Gabriel Weinberg, an entrepreneur whose last venture, The Names Database, was acquired by United Online in 2006 for $10 million Initially self-funded by Weinberg, DuckDuckGo is now advertising-supported but the user has the option to disable ads The search engine is written in Perl and runs on nginx, FreeBSD and Linux

DuckDuckGo is built primarily upon search APIs from various vendors Because of this, TechCrunch characterized the service as a "hybrid" search engine At the same time, it produces its own content pages, and thus is similar to Mahalo, Kosmix and SearchMe

The name of the search engine has been called "silly" by Frederic Lardinois of Read Write Web Weinberg explained the beginnings of the name with respect to the children's game duck, duck, goose He said of the origin of the name, "Really it just popped in my head one day and I just liked it It is certainly influenced/derived from duck duck goose, but other than that there is no relation, eg, a metaphor" DuckDuckGo has been featured on TechCrunch's Elevator Pitch Friday and it was a finalist in the BOSS Mashable Challenge

We didn’t invest in it because we thought it would beat Google We invested in it because there is a need for a private search engine We did it for the Internet anarchists, people that hang out on Reddit and Hacker News

Fred Wilson, 2012 TechCrunch Disrupt Conference in New York

In July 2010, Weinberg started a DuckDuckGo community website to allow the public to report problems, discuss means of spreading the use of the search engine, request features, and discuss open sourcing the code

In September 2011 DuckDuckGo hired its first employee, Caine Tighe The next month, Union Square Ventures invested in DuckDuckGo Union Square partner Brad Burnham stated, "We invested in DuckDuckGo because we became convinced that it was not only possible to change the basis of competition in search, it was time to do it" In addition, Trisquel, Linux Mint and the Midori web browser switched to use DuckDuckGo as their default search engine

By May 2012, the search engine was attracting 15 million searches a day Weinberg reported that it had earned US$115,000 in revenue in 2011 and had three employees, plus a small number of contractors Competecom estimated 277,512 monthly visitors to the site in August 2012 On April 12, 2011, Alexa reported a 3-month growth rate of 51% DuckDuckGo's own traffic statistics show that in August 2012 there were 1,393,644 visits per day, up from an average of 39,406 visits per day in April 2010 the earliest data available

In a lengthy profile in November 2012, the Washington Post indicated that searches on DuckDuckGo numbered up to 45,000,000 per month in October 2012 The article concluded "Weinberg's non-ambitious goals make him a particularly odd and dangerous competitor online He can do almost everything that Google or Bing can’t because it could damage their business models, and if users figure out that they like the DuckDuckGo way better, Weinberg could damage the big boys without even really trying It's asymmetrical digital warfare, and his backers at Union Square Ventures say Google is vulnerable"

GNOME replaced Google Search with DuckDuckGo as the default search engine in Web, the default GNOME web browser, starting with version 310, which was released on September 26, 2013 At its keynote at WWDC 2014, Apple announced that DuckDuckGo would be included as an option for search on both iOS 8 and OS X Yosemite

On March 10, 2014 the Pale Moon web browser, starting with version 2440, included DuckDuckGo as its default search engine as well as listed it on the browser's homepage

May 2014 redesign

In May 2014, DuckDuckGo released a redesigned version to beta testers through DuckDuckHack On 21 May 2014, DuckDuckGo officially released the redesigned version that focused on smarter answers and a more refined look The new version added many new features such as images, local search, auto-suggest, weather, recipes and more


DuckDuckGo's results are a compilation of "about 50" sources, including Yahoo! Search BOSS; Wikipedia; Wolfram Alpha; Bing; its own Web crawler, the DuckDuckBot; and others It also uses data from crowdsourced sites, including Wikipedia, to populate "Zero-click Info" boxes – grey boxes above the results that display topic summaries and related topics

DuckDuckGo positions itself as a search engine that puts privacy first and as such it does not store IP addresses, does not log user information and uses cookies only when needed Weinberg states "By default, DuckDuckGo does not collect or share personal information That is our privacy policy in a nutshell" However, they do maintain logs of all search terms used

Weinberg has refined the quality of his search engine results by deleting search results for companies he believes are content mills, like Demand Media's eHow, which publishes 4000 articles per day produced by paid freelance writers, which Weinberg says is, "low-quality content designed specifically to rank highly in Google's search index" DuckDuckGo also filters pages with substantial advertising

Instant Answers

In addition to the indexed search results, DuckDuckGo displays relevant results, called Instant Answers, on top of the search page These Instant Answers are collected from either 3rd party APIs or static data sources like text files The Instant Answers are called zeroclickinfo because the intention behind these is to provide what the user is searching for on the search result page itself so that the user doesn't have to click any results to find what they are looking for As of August 20, 2016, there are 989 Instant Answers active

The Instant Answers are open source They are maintained on Github and anyone can build or work on them

Tor hidden service

In August 2010, DuckDuckGo introduced anonymous searching, including an exit enclave, for its search engine traffic using Tor network and enabling access through a Tor hidden service This allows anonymity by routing traffic through a series of encrypted relays Weinberg stated: "I believe this fits right in line with our privacy policy Using Tor and DDG, you can now be end to end anonymous with your searching And if you use our encrypted homepage, you can be end to end encrypted as well"

Voice search

In 2011, DuckDuckGo introduced voice search for users of the Google Chrome's voice search extension


DuckDuckGo includes "!Bang" commands, which give users the ability to conveniently search on specific websites – using the site's own search engine if applicable For example, searching for !w climate on DuckDuckgo will instantly return Wikipedia's Climate entry

Business model

DuckDuckGo earns revenue in two ways:

  1. Serving ads from the Yahoo-Bing search alliance network, and
  2. Affiliate relationships with several companies


In a June 2011 article, Harry McCracken of Time magazine commended DuckDuckGo, comparing it to his favorite hamburger restaurant, In-N-Out Burger:

It feels a lot like early Google, with a stripped-down home page Just as In-N-Out doesn't have lattes or Asian salads or sundaes or scrambled eggs, DDG doesn't try to do news or blogs or books or images There's no auto-completion or instant results It just offers core Web search—mostly the "ten blue links" approach that's still really useful, no matter what its critics sayAs for the quality, I'm not saying that Weinberg has figured out a way to return more relevant results than Google's mighty search team But DuckDuckGois really good at bringing back useful sites It all feels meaty and straightforward and filler-free

The barebones approach cited in his quote have since changed; DuckDuckGo now has auto-completion and instant results for example McCracken included the site in Time's list of "50 Best Websites of 2011"

Thom Holwerda, who reviewed the search engine for OSNews, praised its privacy features and shortcuts to site-specific searches as well as criticizing Google for "track pretty much everything you do", particularly because of the risk of such information being subject to a US government subpoena In 2012, in response to accusations that it was a monopoly, Google identified DuckDuckGo as a competitor Weinberg was reportedly "pleased and entertained" by that acknowledgment


It took 1445 days to get 1M searches,
483 days to get 2M searches,
and then just 8 days to pass 3M searches: https://duckduckgocom/traffic/

DuckDuckGo Twitter account @duckduckgo, 18 June 2013

In June 2013, DuckDuckGo indicated that it had seen a significant traffic increase; according to the website's Twitter account, on Monday June 17, 2013, it had three million daily direct searches On average during May 2013, it had 18 million daily direct searches Some relate this claim to the exposure of PRISM and to the fact that other programs operated by the National Security Agency NSA were leaked by Edward Snowden Danny Sullivan wrote on Search Engine Land that despite the search engine's growth "it's not grown anywhere near the amount to reflect any substantial or even mildly notable switching by the searching public" for reasons due to privacy, and he concluded "No One Cares About "Private" Search" In response, Caleb Garling of the San Francisco Chronicle argued: "I think this thesis suffers from a few key failures in logic" because a traffic increase had occurred and because there was a lack of widespread awareness of the existence of DuckDuckGo Later in September 2013, the search engine hit 4 million searches per day On March 23, 2015, DuckDuckGo retrieved more than 9 million searches for the first day in its history That month also saw the search engine retrieve more than 250 million searches, another record for the company

Date # searches direct # searches API # searches bot
2010-04-01 33,209
2011-01-01 66,042
2012-01-01 393,933 7,976,354 162,217
2013-01-01 1,349,922 10,669,315 249,455
2014-01-01 3,736,154 16,080,583 394,102
2015-01-01 6,631,634 12,165,975 696,901
2016-01-01 9,642,220 9,607,471 1,294,731

See also

  • Comparison of web search engines
  • List of search engines
  • Names Database


  1. ^ "Duckduckgocom Site Info" Alexa Internet Retrieved 7 November 2016 
  2. ^ a b c d Buys, Jon July 10, 2010 "DuckDuckGo: A New Search Engine Built from Open Source" GigaOM OStatic blog Retrieved March 19, 2013 
  3. ^ "Architecture" DuckDuckGo Community Platform Retrieved March 6, 2015 
  4. ^ "dontbubbleus" Retrieved 2014-09-12 
  5. ^ "Sources" DuckDuckGo Help pages DuckDuckGo Archived from the original on January 24, 2015 Retrieved 24 January 2015 
  6. ^ "DuckDuckGo & Yummly team up so you can search food porn in private" VentureBeat June 11, 2014 Retrieved June 11, 2014 
  7. ^ a b c Rosenwald, Michael November 9, 2012 "Ducking Google in search engines" The Washington Post Retrieved March 19, 2013 
  8. ^ Arthur, Charles "NSA scandal delivers record numbers of internet users to DuckDuckGo" The Guardian July 10, 2013 Retrieved July 10, 2013
  9. ^ "duckduckgo" GitHub Inc March 16, 2012 Retrieved March 19, 2012 
  10. ^ a b "DuckDuckGo Reimagined & Redesigned" 
  11. ^ "Big Win For DuckDuckGo: Apple Adding To Safari As Private Search Option" Retrieved 2014-09-30 
  12. ^ "Apple - OS X Yosemite - Apps" Retrieved 2014-09-30 
  13. ^ "Firefox Notes" Mozillaorg Retrieved 11 November 2014 
  14. ^ "Company History" Duckduckgocom June 3, 2013 Retrieved August 8, 2013 
  15. ^ "Search Engine and Privacy by Gabriel Weinberg" Eyerys Retrieved March 14, 2015 
  16. ^ "Acquisition of Namesdatabasecom Expands Company's Classmates Online Social Networking Unit" Houston Chronicle March 20, 2006 
  17. ^ "Duck Duck Go Startup Profile" Chouprojectscom Retrieved January 28, 2014 
  18. ^ "DuckDuckGoPerl · duckduckgo/duckduckgo Wiki · GitHub" Github Retrieved May 10, 2016 
  19. ^ Weinberg, Gabriel "About Duck Duck Go" Duckduckgocom Retrieved February 10, 2011 
  20. ^ "Architecture" DuckDuckGocom January 28, 2013 Retrieved June 11, 2013 
  21. ^ a b Kimerling, Dan December 12, 2008 "Elevator Pitch Friday: Duck Duck Go, the Hybrid Search Engine" Techcrunch Retrieved March 19, 2013 
  22. ^ Weinberg, Gabriel as epi0Bauqu March 25, 2010 "Duck Duck Go is starting to get coverage thread: see remarks by Weinberg" YCombinator Hacker News Retrieved March 19, 2013 
  23. ^ "Duck Duck Go Company Profile" Crunchbasecom 
  24. ^ Lardnois, Frederic April 30, 2009 "Duck Duck Go: Silly Name, Interesting Search Engine" ReadWriteWeb Retrieved March 19, 2013 
  25. ^ Weinberg, Gabriel as epi0Bauqu June 11, 2009 "How Often our Anti-spam Search Toolbar Blocks Sites thread" YCombinator Hacker News Retrieved March 19, 2013 
  26. ^ Hirsch, Adam October 7, 2008 "Voting Round for the BOSS Mashable Challenge" Mashable Retrieved March 19, 2013 
  27. ^ Ludwig, Sean May 21, 2012 "Fred Wilson: We invested in DuckDuckGo for the Reddit, Hacker News anarchists" VentureBeat Retrieved January 29, 2013 
  28. ^ Weinberg, Gabriel July 2010 "duckco – The DuckDuckGo Community" Retrieved July 21, 2010 
  29. ^ Weinberg, Gabriel September 30, 2011 "Inbound Hiring" gabrielweinbergcom blog Retrieved March 19, 2013 
  30. ^ Burnham, Brad October 13, 2011 "Duck Duck Go" Union Square Ventures blog Retrieved October 14, 2011 
  31. ^ Mithrandir November 25, 2010 "DuckDuckGo in Web Browser" Trisquelinfo Retrieved March 19, 2013 
  32. ^ Farivar, Cyrus May 16, 2012 "Private: some search engines make money by not tracking users" Ars Technica Retrieved May 14, 2012 
  33. ^ "DuckDuckGo Analytics Profile" Competecom 
  34. ^ "DuckDuckGo Analytics Profile" Alexacom 
  35. ^ "DuckDuckGo Official traffic" 
  36. ^ "Claudio Saavedra's ChangeLog – August 2013" 
  37. ^ Clasen, Matthias 26 September 2013 "GNOME 310 Released" GNOME mailing list Retrieved 26 September 2013 
  38. ^ "DuckDuckGo In Apple OS" BusinessInsider Retrieved 2014-06-06 
  39. ^ "Pale Moon 2440 Release Notes" Pale Moon Moonchild Productions Retrieved 4 June 2015 
  40. ^ "DuckDuckGo" Nextduckduckgocom Retrieved 2014-05-11 
  41. ^ a b "Sources" DuckDuckGo Support Center January 8, 2013 Retrieved March 19, 2013 
  42. ^ "Wolfram Alpha and DuckDuckGo Partner on API Binding and Search Integration" Wolframalphacom April 18, 2011 
  43. ^ "About Duck Duck Go" Duckduckgocom 
  44. ^ "DDG Privacy" Duckduckgocom
  45. ^ Mims, Christopher July 26, 2010 "The Search Engine Backlash Against 'Content Mills'" Technology Review Retrieved March 19, 2013 
  46. ^ "DuckDuckGo Instant Answers" 
  47. ^ "Instant Answer repositories on Github" Retrieved Jul 7, 2015 
  48. ^ "Tor Exit Enclave" Help pages - DuckDuckGo Community Platform 
  49. ^ Weinberg, Gabriel August 13, 2010 "DuckDuckGo now operates a Tor exit enclave" Gabriel Weinberg's Blog Retrieved 26 June 2014 
  50. ^ Weinberg, Gabriel August 13, 2010 "DuckDuckGo now operates a Tor exit enclave" gabrielweinbergcom blog Retrieved March 19, 2013 
  51. ^ "DuckDuckGo Tools" Duckduckgocom
  52. ^ "!Bang" Duckduckgocom nd Retrieved August 19, 2011 
  53. ^ "Advertising and Affiliates" DuckDuckGo Community Platform Retrieved 2015-06-04 
  54. ^ McCracken, Harry June 14, 2011 "Duck Duck Go, the In-N-Out Burger of Search Engines" Time Retrieved March 19, 2013 
  55. ^ McCracken, Harry August 16, 2011 "DuckDuckGo – The 50 Best Websites of 2011" Time Retrieved March 19, 2013 
  56. ^ Holwerda, Thom June 21, 2011 "DuckDuckGo: The Privacy-centric Alternative to Google" OSNews Retrieved March 19, 2013 
  57. ^ "Twitter / duckduckgo: It took 1445 days to get 1M " duckduckgo 18 June 2013 Archived from the original on 6 June 2014 Retrieved 16 October 2013 
  58. ^ McGee, Matt 18 June 2013 "DuckDuckGo Passes 3 Million Searches, Just 8 Days After Hitting 2 Million" Search Engine Land Archived from the original on 12 October 2013 Retrieved 12 October 2013 
  59. ^ Weber, Harrison 18 June 2013 "Google alternative DuckDuckGo hit nearly 31M queries yesterday, up 50% in 8 days as PRISM fears rise" The Next Web Archived from the original on 12 October 2013 Retrieved 12 October 2013 
  60. ^ Krieger, Michael Jul 10, 2013 "Search Engine "Duck Duck Go" Experiences Traffic Surge in Wake of NSA Scandal" Liberty Blitzkrieg Retrieved 7 March 2015 
  61. ^ Sullivan, Danny June 22, 2013 "Duck Duck Go's Post-PRISM Growth Actually Proves No One Cares About "Private" Search" Search Engine Land Retrieved July 10, 2013 
  62. ^ Garling, Caleb June 24, 2013 "Huge traffic spike hits 'private' search engines after NSA leaks" San Francisco Chronicle Retrieved July 10, 2013 
  63. ^ Gross, Grant 10 October 2013 "People flock to anonymizing services after NSA snooping reports" PCWorld Australia Archived from the original on 12 October 2013 Retrieved 12 October 2013 
  64. ^ Miller, Ron 16 September 2013 "DuckDuckGo continues making huge audience gains" FierceContentManagement Archived from the original on 12 October 2013 Retrieved 12 October 2013 
  65. ^ Leonhard, Woody 13 September 2013 "DuckDuckGo going straight up" InfoWorld Archived from the original on 12 October 2013 Retrieved 12 October 2013 
  66. ^ "Traffic" Duckduckgo 3 April 2015 Retrieved 6 April 2015 

External links

  • Official website
    • DuckDuckGo on Twitter
    • Duckduckgo on GitHub
  • Video - Gabriel Weinberg speaks about DuckDuckGo at Gel 2013
  • DuckDuckGo on iTunes Preview
  • DuckDuckGo on Google Play
  • DuckDuckGo Android package at the F-Droid repository

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