Yahoo! Search – 6.5% of the US Search Market

Yahoo! Search is a web search engine. It is the third largest search engine in the US by the search query volume with 6.58%, behind competitors Google at 85.82% and Bing at 6.39%.

It launched on March 2, 1995 – Think Twice by Celine Dion was a top 5 UK hit at that time. Originally, “Yahoo Search” referred to a Yahoo-provided interface that sent queries to a searchable index of pages supplemented with its directory of websites. The results were presented to the user under the Yahoo! brand. Originally, none of the actual web crawling and data housing was done by Yahoo! itself.

In 2001, the search index was powered by Inktomi and later by Google until 2004, at which point Yahoo! Search became independent. In 2005, they began to offer links to previous versions of webpages on the Wayback Machine.

On May 11, 2008, Yahoo introduced SearchScan which alerted users of viruses, spyware and spam websites. Yahoo Search offers/offered verticals in: Images, Videos, Local, Shopping, Yahoo! Answers, Audio, Directory, Jobs, News, Mobile, Travel and various other services as listed on their About Yahoo Search page.

Yahoo Search indexed/cached the common HTML page formats, PDF, Excel spreadsheets, PowerPoint, Word documents, RSS/XML and plain text files. For some of these they provided cached links allowing for viewing in standard HTML.

On July 29, 2009, Microsoft and Yahoo! announced a deal in which Bing would power Yahoo! Search.

Search Engine Market Share (US Desktop)

August 2016

Google: 79.88%
Bing: 9.9%
Yahoo!: 8.34%
AOL: 0.84%
DuckDuckGo: 0.41%
Other: 0.62%

Search Engine Market Share (US Mobile)

August 2016

Google: 94.53%
Yahoo!: 4.07%
Bing: 1.01%
DuckDuckGo: 0.23%
Baidu: 0.04%
Other: 0.13%

Search Engine Market Share (Combined)

August 2016

Google: 85.82%
Yahoo!: 6.58%
Bing: 6.39%
AOL: 0.46%
DuckDuckGo: 0.35%
Other: 0.4%

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