{{Short description|Platform for creating custom search engines based on Google Search}} {{Use mdy dates|date=August 2012}} {{Infobox website | name = Google Programmable Search | logo = Google Custom Search logo.png | logo_size = | screenshot = | screenshot_size = | caption = | url = {{URL|https://cse.google.com/|cse.google.com}} | commercial = Yes | type = Web search engine | registration = Required | programming_language = C++<ref>{{cite web| url=http://infolab.stanford.edu/~backrub/google.html |title=The Anatomy of a Large-Scale Hypertextual Web Search Engine|publisher= Computer Science Department, Stanford University, Stanford, CA| access-date=January 27, 2009}}</ref> | owner = Google (Alphabet) | author = Google | revenue = From AdWords | launch_date = {{start date and age|2006|10|24}} (as Google Co-op) | current_status = Active }}
'''Google Programmable Search Engine''' (formerly known as '''Google Custom Search''' and '''Google Co-op''') is a platform provided by Google that allows web developers to feature specialized information in web searches, refine and categorize queries and create customized search engines, based on Google Search.<ref name=":0">{{Cite news |last=Leswing |first=Kif |date=November 12, 2013 |title=Find Exactly What You're Looking for With Google's Custom Search Feature |url=https://www.wired.com/2013/11/google-custom-search/ |access-date=2026-03-23 |work=Wired |language=en-US |issn=1059-1028}}</ref>
==Services== ===Custom Search Engine=== thumb|right|Google Co-op logo Released on October 23, 2006,<ref>{{cite web |date=October 23, 2006 |title=The Power of Google Search is Now Customizable |url=http://googlepress.blogspot.in/2006/10/power-of-google-search-is-now_23.html |access-date=27 August 2015 |website=Google News from Google}}</ref> Google Custom Search Engine started as a way to let webmasters index and provide search for their own sites.<ref name=":0" /> It also let anyone create their own search engine by searching a list of links as well as the sites linked from those sites.<ref>{{Cite news |last=Gilbertson |first=Scott |date=June 13, 2007 |title=Google Custom Search Engine Adds Dynamic Search Capabilities |url=https://www.wired.com/2007/06/google-custom-search-engine-adds-dynamic-search-capabilities/ |access-date=2026-03-23 |work=Wired |language=en-US |issn=1059-1028}}</ref> This allows custom search engine users to narrow the web that they are searching and have a less cluttered search experience.<ref name=":0" /><ref name=":1">{{Cite web |last=Pot |first=Justin |date=2024-12-03 |title=This Tool Lets You Build Your Own Version of Google |url=https://lifehacker.com/tech/use-programmable-search-engine-to-build-a-cleaner-version-of-google |access-date=2026-03-23 |website=Lifehacker |language=en}}</ref> You can also limit the results to only originate from specific countries.<ref name=":1" /> The search engine can be integrated into Chrome<ref>{{Cite web |last=Wallen |first=Jack |date=2016-02-16 |title=How to add custom search engines in Chrome for more efficient searching |url=https://www.techrepublic.com/article/pro-tip-add-custom-search-engines-in-chrome-for-more-efficient-searching/ |access-date=2026-03-23 |website=TechRepublic |language=en-US}}</ref> and Firefox browsers.<ref>{{Cite web |date=September 19, 2025 |title=Add custom search engines in Firefox |url=https://support.mozilla.org/en-US/kb/add-custom-search-engine-firefox |access-date=2026-03-23 |website=support.mozilla.org}}</ref>
From 2014 until 2016, Custom Search Engines were among those found to be vulnerable to a man-in-the-middle attack leading to malware being installed on over 1 million computers.<ref>{{Cite web |date=May 16, 2016 |title=An HTTPS hijacking click-fraud botnet now infects almost 1M computers |url=https://www.computerworld.com/article/1664400/an-https-hijacking-click-fraud-botnet-now-infects-almost-1m-computers.html |access-date=2026-05-07 |website=Computerworld |language=English}}</ref>
In 2019, the European Union fined Google for anti-trust violations for not allowing other advertisers to advertise in its custom search engines.<ref>{{Cite web |last=Amadeo |first=Ron |date=2019-03-20 |title=The EU fines Google $1.69 billion for bundling search and advertising |url=https://arstechnica.com/tech-policy/2019/03/google-fined-1-69-billion-by-the-eu-for-anti-competitive-advertising-practices/ |access-date=2026-05-07 |website=Ars Technica |language=en}}</ref>
As of January 2026, custom search engines can no longer query more than 50 domains.<ref>{{cite web|url=https://programmablesearchengine.googleblog.com/2026/01/updates-to-our-web-search-products.html|title=Updates to our Web Search Products & Programmable Search Engine Capabilities|date=January 20, 2026}}</ref>
===Topics=== Topics are specific areas of search, which can be developed by people with knowledge of a certain subject. These topics are then displayed at the top of relevant Google web searches, so the user can refine the searches to what they want.<ref>{{cite web |title=Custom Search Advanced Topics |url=https://www.google.com/support/enterprise/static/gsa/docs/admin/72/gsa_doc_set/admin_searchexp/adv_customization.html |url-status=dead |access-date=31 July 2014 |website=Google Help |archive-date=September 11, 2014 |archive-url=https://web.archive.org/web/20140911134523/https://www.google.com/support/enterprise/static/gsa/docs/admin/72/gsa_doc_set/admin_searchexp/adv_customization.html }}</ref>{{Primary source inline|date=June 2024}}
==See also== * Bing Custom Search<ref>{{Cite web |last= |title=Bing Custom Search |url=https://www.customsearch.ai/ |access-date=2026-04-04 |website=Microsoft |language=en-us}}</ref> (since 2017)<ref>{{Cite news |last=Claburn |first=Thomas |date=May 10, 2017 |title=Microsoft is on the edge: Windows, Office? Naah. Let's talk about cloud, AI |url=https://www.theregister.com/2017/05/10/microsoft_build_2017/?page=2}}</ref> * Brave Search#Features * Kagi * {{Annotated link|Yahoo! Search BOSS}}
==References== {{reflist|2}}
==External links== * [https://programmablesearchengine.google.com/about/ Google Programmable Search Engine] * Tutorial on WikiHow
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{{DEFAULTSORT:Google Co-Op}} Custom Search Category:2006 software Category:Internet properties established in 2006