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Example of a web page which offers to add a new search plugin. With Firefox, the symbol of the currently selected search engine becomes bluish. The user can add the search engine offered by that page by clicking the triangle.
Developed by
Initial release March 15, 2005 (2005-03-15)
Latest release
1.1[citation needed]
(December 6, 2005; 13 years ago (2005-12-06))
Type of format Web syndication
Extended from RSS
Open format? Creative Commons Attribution-ShareAlike 2.5

OpenSearch is a collection of technologies that allow publishing of search results in a format suitable for syndication and aggregation. It is a way for websites and search engines to publish search results in a standard and accessible format.

OpenSearch was developed by subsidiary A9 and the first version, OpenSearch 1.0, was unveiled by Jeff Bezos at the O'Reilly Emerging Technology Conference in March, 2005. Draft versions of OpenSearch 1.1 were released during September and December 2005. The OpenSearch specification is licensed by A9 under the Creative Commons Attribution-ShareAlike 2.5 License.[1]

See also


  1. "OpenSearch / Specifications / License". August 24, 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links