Defunct internet search engines

computer program

AltaVista was a web search engine established in 1995. It became one of the most-used early search engines, but lost ground to Google and was purchased by Yahoo! in 2003, which retained the brand, but based all AltaVista searches on its own search engine. On July 8, 2013, the service was shut down by Yahoo!, and since then the domain has redirected to Yahoo!'s own search site.

Cuil ( ) was a search engine that organized web pages by content and displayed relatively long entries along with thumbnail pictures for many results. Cuil said it had a larger index than any other search engine, with about 120 billion web pages. It went live on July 28, 2008. Cuil's servers were shut down on September 17, 2010, with later confirmations the service had ended.

website

AlltheWeb (sometimes referred to as FAST or FAST Search) was an Internet search engine. It originated from FTP Search, the doctorate thesis project of Tor Egge at the Norwegian University of Science and Technology. Egge began the work in 1994, and it later led to the creation of Fast Search & Transfer (FAST), founded on July 16, 1997. AlltheWeb launched in mid-1999. It was acquired by Yahoo in 2003. Yahoo shut it down in 2011.

A9.com was a subsidiary of Amazon that developed search engine and search advertising technology. A9 was based in Palo Alto, California, with teams in Seattle, Bangalore, Beijing, Dublin, Iași, Munich and Tokyo. A9 had development efforts in areas of product search, cloud search, visual search, augmented reality, advertising technology and community question answering.

former online archive

Teoma (from Scottish Gaelic teòma "expert") was an Internet search engine founded in April 2000 by Professor Apostolos Gerasoulis and his colleagues at Rutgers University in New Jersey. Professor Tao Yang from the University of California, Santa Barbara co-led technology R&D. Their research grew out of the 1998 DiscoWeb project. The original research was published in the paper, "DiscoWeb: Applying Link Analysis to Web Search".

defunct free and open-source web search engine by Wikia

former Chinese search engine

Empas () was a South Korean internet search engine and web portal.

ALIWEB (Archie-Like Indexing for the Web) is the first Web search engine.

company

Gigablast was an American free and open-source web search engine and directory. Founded in 2000, it was an independent engine and web crawler, developed and maintained by Matt Wells, a former Infoseek employee and New Mexico Tech graduate. During early April 2023, the website went offline without warning and without any official statement.

FilesTube was a metasearch engine established in 2007, which specialized in searching files in various file sharing and uploading services, such as Mega. It also included sections for videos, games, lyrics and software.

Inktomi Corporation was an American Internet service provider (ISP) software developer based in Foster City, California. Customers included Microsoft, HotBot, Amazon.com, eBay, and Walmart.

Blekko (trademarked as blekko) was a company that provided a web search engine with the stated goal of providing better search results than those offered by Google Search, with results gathered from a set of 3 billion trusted webpages and excluding such sites as content farms. The company's site, launched to the public on November 1, 2010, used slashtags to provide results for common searches. Blekko also offered a downloadable search bar. It was acquired by IBM in March 2015, and the service was discontinued.<!-- lead paragraph is for summary. Moved detailed claim to features --

search engine

Scandinavian internet search engine developed by Schivsted launched in November 2007

Maktoob () was an online services company founded in Amman, Jordan. Maktoob.com was known as the first ArabicEnglish email service provider. In 2009, Yahoo! acquired Maktoob.com, making it Yahoo!'s official arm in the MENA region. As of 31 January 2023, Yahoo! Maktoob has been shut down; and therefore no longer publishes content.

human-guided search engine

Forestle was an ecologically inspired search engine created by Christian Kroll in Wittenberg, Germany, in 2008 and discontinued in 2011. Forestle supported rainforest conservation through donations of ad revenue and aimed to reduce emissions. It was similar to the search engine Ecosia, which plants new trees with its ad revenue. Forestle was briefly associated with Google before associating with Yahoo.

Infoseek (also known as the "big yellow") was an American internet search engine founded in 1994 by Steve Kirsch.

Ecocho was a search engine with the aim of offsetting carbon emissions by donating 70% of revenues to 'carbon offset credits'. The site launched on 14 April 2008.

thumb|256px|Jubii HQ in Copenhagen Denmark Jubii is a webportal based in Copenhagen. Jubii provides a search engine and other services, including e-mail.

Go.com (also known as The Go Network) is a portal for Disney content and a single sign-on system that was created after The Walt Disney Company acquired the search engine Infoseek. Go.com is operated by Disney Interactive's Disney Online. It began as a web portal launched by Jeff Gold. Go.com includes content from ABC News, which is owned by Walt Disney Television and is hosted under a .go.com name. Along with Time Warner's Pathfinder.com, Go.com proved to be an expensive failure for its parent company, as web users largely preferred to use search engines to access content directly, rather tha

Russian search engine