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DuckDuckGo was founded by Gabriel Weinberg and launched on February 29, 2008, in Valley Forge, Pennsylvania. [3][14] Weinberg is an entrepreneur who previously launched Names Database, a now-defunct social network. Self-funded by Weinberg until October 2011, DuckDuckGo was then "backed by Union Square Ventures and a handful of angel investors ...
Comparison of web search engines. Web search engines are listed in tables below for comparison purposes. The first table lists the company behind the engine, volume and ad support and identifies the nature of the software being used as free software or proprietary software. The second and third table lists internet privacy aspects along with ...
Cross-platform open-source desktop search engine. Unmaintained since 2011-06-02 [9]. LGPL v2 [10] Terrier Search Engine: Linux, Mac OS X, Unix: Desktop search for Windows, Mac OS X (Tiger), Unix/Linux. MPL v1.1 [11] Tracker: Linux, Unix: Open-source desktop search tool for Unix/Linux GPL v2 [12] Tropes Zoom: Windows: Semantic Search Engine (no ...
Launched. November 1996 ; 27 years ago(1996-11) Current status. Active. Dogpile is a metasearch engine for information on the World Wide Web that fetches results from Google, Yahoo!, Yandex, Bing, [ 2 ][ 3 ] and other popular search engines, including those from audio and video content providers such as Yahoo!. [ 3 ]
A search engine is a software system that provides hyperlinks to web pages and other ... was the first robot on the Web and was designed to track the Web's growth ...
Active. Google. GNU LGPL, BSD-style. Google Chrome and all other Chromium -based browsers, including Microsoft Edge, Brave, Vivaldi, Samsung Internet, and Opera [4] Gecko. Active. Mozilla. Mozilla Public. Firefox browser and Thunderbird email client.
Microsoft Bing, commonly referred to as Bing, is a search engine owned and operated by Microsoft. The service traces its roots back to Microsoft's earlier search engines, including MSN Search, Windows Live Search, and Live Search. Bing offers a broad spectrum of search services, encompassing web, video, image, and map search products, all ...
Robin Li developed the RankDex site-scoring algorithm for search engines results page ranking [23] [24] [25] and received a US patent for the technology. [26] It was the first search engine that used hyperlinks to measure the quality of websites it was indexing, [27] predating the very similar algorithm patent filed by Google two years later in ...