<P> Search engines were also known as some of the brightest stars in the Internet investing frenzy that occurred in the late 1990s . Several companies entered the market spectacularly, receiving record gains during their initial public offerings . Some have taken down their public search engine, and are marketing enterprise - only editions, such as Northern Light . Many search engine companies were caught up in the dot - com bubble, a speculation - driven market boom that peaked in 1999 and ended in 2001 . </P> <Ul> <Li> Around 2000, Google's search engine rose to prominence . The company achieved better results for many searches with an innovation called PageRank, as was explained in the paper Anatomy of a Search Engine written by Sergey Brin and Larry Page, the later founders of Google . This iterative algorithm ranks web pages based on the number and PageRank of other web sites and pages that link there, on the premise that good or desirable pages are linked to more than others . Google also maintained a minimalist interface to its search engine . In contrast, many of its competitors embedded a search engine in a web portal . In fact, Google search engine became so popular that spoof engines emerged such as Mystery Seeker . </Li> </Ul> <Li> Around 2000, Google's search engine rose to prominence . The company achieved better results for many searches with an innovation called PageRank, as was explained in the paper Anatomy of a Search Engine written by Sergey Brin and Larry Page, the later founders of Google . This iterative algorithm ranks web pages based on the number and PageRank of other web sites and pages that link there, on the premise that good or desirable pages are linked to more than others . Google also maintained a minimalist interface to its search engine . In contrast, many of its competitors embedded a search engine in a web portal . In fact, Google search engine became so popular that spoof engines emerged such as Mystery Seeker . </Li> <P> By 2000, Yahoo! was providing search services based on Inktomi's search engine . Yahoo! acquired Inktomi in 2002, and Overture (which owned AlltheWeb and AltaVista) in 2003 . Yahoo! switched to Google's search engine until 2004, when it launched its own search engine based on the combined technologies of its acquisitions . </P>

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