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Web search engine
The document discusses the history and operation of web search engines. It describes how the first search engine, Archie, was created in 1990 and the rise of popular engines like AltaVista, Yahoo, and Google in the 1990s. It explains that search engines work by using web crawlers to index webpage content and then search that index to return relevant results to users when they enter a query. Finally, it notes that as of 2013 Google has the largest market share of search at 88.8%, making it the most popular search engine worldwide.
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Web search engine
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- 2. What is websearch engine First web search engine History Most popular search engines How web search engines work Search engines market share Search engines market share graph 2013
- 3. A web searchengine is a software system. It is designed to search for information on the world wide web. The search result are generally presented in a line of results called “Search engine result pages (SERPs). The information may be a specialist in web pages, images, information and other types of files.
- 4. Before 1990, therewas no way to search the Internet. The very first tool used for searching on the Internet was “Archie”. It was created in 1990 by “Alan Emtage”, “Bill Heelan” and “J. Peter Deutsch”, student of computer science at “McGill University in Montreal”.
- 5. 1990: Archie—the veryfirst search engine 1991: Veronica and Jughead 1992: Vlib 1993: Excite and World wide web wanderer 1994: AltaVista, Galaxy, Yahoo search, Infoseek, Webcrawler, Lycos 1995: Looksmart.
- 6. 1996: Google, HotBot,Inktomi 1997: Ask.com 1998: MSN; dmoz 1999: Alltheweb 2005: Snap 2006: Microsoft Livesearch 2008: Cuil 2009: Microsoft Bing
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- 8. A search engineoperates in the following order : 1. Web crawling 2. Indexing 3. Searching
- 9. A Web crawleris an Internet bot that systematically browses the World Wide Web, typically for the purpose of Web indexing. When we enter a query into a search engine, the engine examines its index and provides a listing of best-matching web pages according to its criteria. Search engine provides the “best” results first.
- 10. According to “GlobalSearch Advertising Spend Analysis 2013” . Google is most popular search engine. Google is placed on first position . Bing is placed in second position. Google covered 88.8% global market share.
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