Yahoo Transitions To Bing, Raises Search Marketshare

In a blog post Tuesday, Yahoo announced the change. "Later this week, we will begin transitioning the back-end technology for Yahoo! Search in the US and Canada (English) over to the Microsoft platform," Shashi Seth, Yahoo! search product operations vice president, wrote in a blog post.

"Keep an eye out for the 'Powered by Bing' indicator at the bottom of our search results page, which will indicate that you are viewing listings from Microsoft," Seth wrote.

Yahoo and Microsoft joined forces in a 10-year Web search and advertising partnership last year to combat search giant Google. Yahoo will adopt Microsoft's search engine on its own sites while cooperating on global advertising.

Yahoo also said it would continue to offer many of the software development tools in its search environment, including Search BOSS, YQL, and Site Explorer tools.

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However, Web services product SearchMonkey will be discontinued October 1. "As a result, third party custom result apps, infobar apps, and data services will no longer appear on Yahoo!'s search results," wrote Natasha Fattedad, principal product manager for Yahoo Search in another Yahoo blog.

Also Tuesday, industry research company comScore reported that Yahoo's share of the search market gained slightly in July to 17.1 percent from 16.7 percent in June, while market leader Google's share dipped slightly from 65.8 from 66.2 percent in June.

Microsoft stayed in third place with its search market share unchanged at 11 percent, according to comScore figures.