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Starting on April 7, 2003, Yahoo! Search became its own web crawler-based search engine. [8] They combined the capabilities of search engine companies they had acquired and their prior research into a reinvented crawler called Yahoo!. The new search engine results were included in all of Yahoo's websites that had a web search function.
Web search engine supporting natural language queries: Altavista is launched. This is a first among web search engines in many ways: it has unlimited bandwidth, allows natural language queries, has search tips, and allows people to add or delete their domains in 24 hours. [13] [14] 1996 New web search engine
The directory was Yahoo!'s first offering and started in 1994 under the name Jerry and David's Guide to the World Wide Web. [1] When Yahoo! changed its main results to crawler-based listings under Yahoo! Search in October 2002, the human-edited directory's significance dropped, but it was still being updated as of August 19, 2014. [2]
February 19, 2004: Yahoo! drops Google-powered results and launches its own web-crawling algorithm with its own site index. [30] March 1, 2004: Yahoo announces that it will practice paid inclusion for its search service; however, it also announced that it would continue to rely mainly on a free web crawl for most of its search engine content. [30]
On November 30, 2008, Microsoft offered to buy Yahoo!'s search business for $20 billion. [72] On July 29, 2009, a 10-year deal was announced giving Microsoft full access to Yahoo!'s search engine to be used in future Microsoft projects in its Bing search engine. [73] Under the deal, Microsoft was not required to pay any cash up front to Yahoo!.
Dogpile began operation in November 1996. [4] The site was created and developed by Aaron Flin, who was frustrated with the varying results of existing indexes and intending on making Dogpile query multiple indexes for the best search results. [5] It originally provided web searches from Yahoo!
Throughout its lifetime it combined web search results from sources including Google, Yahoo!, Bing (formerly Live Search), Ask.com, About.com, MIVA, LookSmart and other search engine programs. MetaCrawler also provided users the option to search for images, video, news, business and personal telephone directories, and for a while even audio.
The ability to search the Web, and AltaVista's service in particular, became the subject of numerous articles and even some books. [4] The AltaVista site became one of the top destinations on the Web, and in 1997 it earned US$50 million in sponsorship revenue. [12] It was the 11th most visited Web site in 1998 and in 2000. [13]