Web search engines are listed in tables below for comparison purposes. The first table lists the company behind the engine, volume and ad support and identifies the nature of the software being used as free software or proprietary software. The second and third table lists internet privacy aspects along with other technical parameters, such as whether the engine provides personalization (alternatively viewed as a filter bubble).
Defunct or acquired search engines are not listed here.
Contents
1Search crawlers
2Digital rights
2.1Tracking and surveillance
3See also
4External links
5References
Search crawlers
Current search engines with independent crawlers, as of December 2018.
Information sharing[lower-alpha 2][clarification needed]
Warrantless wiretapping of unencrypted backend traffic[lower-alpha 2]
Ahmia
No
AOL
Yes
Ask.com
Yes
Baidu
Yes
Unknown
Unknown
Unknown
Unknown
Blackle
No
Brave Search
No
DuckDuckGo[8][13]
No
No
No
No [14]
Ecosia
No[15]
No
No
No
Unknown
Exalead
No
Fireball
Yes
Gigablast
No
No
No[9]
No[9]
No[9]
Google Search
Yes
Default[16]
Yes[17]
Yes[17]
2013 and prior[17][18]
Kiddle
No
KidRex
No
KidzSearch
No
Lycos
No
Microsoft Bing
Yes
Yes
Yes[17]
Yes[17]
2014 and prior[17][19][20]
Mojeek
No
No
No
No
Unknown
Naver
No
Parsijoo
?
Petal
Yes
Unknown
Unknown
Unknown
Unknown
Qwant
No
No
No
No
Seznam.cz
No
Sogou
Yes
Unknown
Unknown
Unknown
Unknown
Swisscows
No
WebCrawler
Yes
Yahoo! Search
Yes
Unknown
Yes[17]
Yes[17]
2014 and prior[17][21]
Yandex Search
Yes
Yes[22]
Unknown
Limited[23]
Unknown
Youdao
Yes
↑The results of the search are arranged for the user in accordance to their interests as determined from previous search queries or other information available to the search engine.
↑ 2.02.12.22.3Cannot be verified independently, as the information is handled by servers not accessible by the public.
↑Tracking the user has to be conducted in order to provide personalized search results.
See also
Comparison of webmail providers – often merged with web search engines by companies that host both services
List of search engines
Search engine privacy
External links
Gnod Search - A tool to compare results across many search engines
↑"Ads on Mojeek". https://www.mojeek.com/support/ads/.
↑Qwant (2018-11-20). "Web indexation: where does Qwant's independence stand?". https://medium.com/qwant-blog/web-indexation-where-does-qwants-independence-stand-8eab4f7856f8.
↑"SEC Filing 2011". Form 20-F. Our search index includes billions of webpages..: Yandex N.V.. 31 December 2011. p. 45. http://company.yandex.com/i/filings/YandexNV_12312011_20F.pdf.
↑ 8.08.1Holwerda, Thom (June 21, 2011), "DuckDuckGo: The Privacy-centric Alternative to Google", OSNews, http://www.osnews.com/story/24867/DuckDuckGo_The_Privacy-centric_Alternative_to_Google, retrieved March 30, 2012
↑ 9.09.19.29.39.4"Gigablast - The Private Search Engine". 2013. http://www.gigablast.com/privacy.html.
↑"Google Makes HTTPS Encryption Default for Search". eWeek. http://www.eweek.com/c/a/Security/Google-Makes-HTTPS-Encryption-Default-for-Search-371629/.
↑Weinberg, Gabriel (2010-08-10). "DuckDuckGo now operates a Tor exit enclave". http://www.gabrielweinberg.com/blog/2010/08/duckduckgo-now-operates-a-tor-exit-enclave.html.
↑"Learn more about our privacy policy and the data that we do collect". https://info.ecosia.org/privacy.
↑"Turn off search history personalization". https://support.google.com/accounts/answer/54048?hl=en.
↑ 17.017.117.217.317.417.517.617.717.8Johnson, Kevin; Martin, Scott; O'Donnell, Jayne; Winter, Michael (June 15, 2013). "Reports: NSA Siphons Data from 9 Major Net Firms". USA Today. https://www.usatoday.com/story/news/2013/06/06/nsa-surveillance-internet-companies/2398345/.
↑Gallagher, Sean (2013-11-06). "Googlers say "F*** you" to NSA, company encrypts internal network". Ars Technica. https://arstechnica.com/information-technology/2013/11/googlers-say-f-you-to-nsa-company-encrypts-internal-network/.
↑Tom Warren (2013-12-05). "Microsoft labels US government a 'persistent threat' in plan to cut off NSA spying". The Verge. https://www.theverge.com/2013/12/5/5177554/microsoft-plans-server-encryption-against-nsa-snooping.
↑Brandom, Russell (2013-11-18). "Yahoo plans to encrypt all internal data by early 2014 to keep the NSA out". The Verge. https://www.theverge.com/2013/11/18/5118150/yahoo-ceo-marissa-mayer-plans-to-encrypt-data-against-nsa-by-2014.