Web search engine launched on June 1, 2009. On July 29, 2009, Yahoo! and Microsoft finalized a deal in which Yahoo! Search would be powered by Microsoft Bing technology. A search engine maintains the following processes in near real time: Web search engines get their information by web crawling from site to site. The "spider" checks for the standard filename "robots.txt", addressed to it, before sending certain information back to be indexed depending on many factors, such as the titles, page content, JavaScript, Cascading Style Sheets (CSS), headings, as evidenced by the standard HTML markup of the informational content, or its metadata in
Dragonfly (search engine) Dragonfly (search engine) According to press reports, Dragonfly is an Internet search engine app being prototyped by Google that is designed to be compatible with China's state censorship provisions. Unlike a previous search engine designed by Google for use in China, Dragonfly would not notify users that results or search terms have been censored. The public learned of Dragonfly's existence in August 2018, when "The Intercept" leaked an internal memo written by a Google employee about the project. The search engine is reportedly designed to link users' phone numbers to their search queries and censor websites such as Wikipedia and