How Search Engines Work?

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Presentation transcript:

How Search Engines Work? simplified by Copyrights chaibiskoot.com

search engine is a complex algorithm [computerized program] www.chaibiskoot.com

these complex algorithms are called as spiders or bots who go out hunting websites on the internet. www.chaibiskoot.com

bots and spiders find new websites and pages by following links added on a website. www.chaibiskoot.com

once a new page is found the spider or bot reads the Content & also checks for Images. www.chaibiskoot.com

everything is stored in a huge online library called as “Index”. www.chaibiskoot.com

this indexed data is stored in encoded format to save space. Image Source - http://web.mit.edu/nchernia/www/images/data.jpg www.chaibiskoot.com

a user types a query on search engine search bar. www.chaibiskoot.com

the search engine goes back to its mammoth index library to fetch the required information. www.chaibiskoot.com

the search engine found millions of matching information, so it uses an algorithm to decide in which order to display the results. www.chaibiskoot.com

information is ready in less than 1 second and displayed on a SERP [Search Engine Result Page] www.chaibiskoot.com

regularly updated websites with unique content are given better positions on SERP. www.chaibiskoot.com

user analyzes the search result and reaches a website. officechairs.c o m www.chaibiskoot.com

….that’s How a Search Engine Works. www.chaibiskoot.com

Popular search engines across the world are - www.chaibiskoot.com

we should also know that - by 2010 there were 2 billion internet users. [30% of the world population] 77% of U.S citizens were online by the end of 2010. Asia itself has 825 million internet users followed by Europe at 475 million users. Google is the dominant search engine across the world since 2006. 55 Billion searches were conducted by Americans only in 2010. By 2015 India, Brazail, China & Russia will have maximum internet users in the world. Statistics Source - http://searchenginewatch.com/article/2048792/Top-Level-Trends-of-SEM-Worldwide-in-2010-and-2011 www.chaibiskoot.com

Thank You !! Similar informative presentations can be downloaded from our Slide Share Account - http://www.slideshare.net/chaibiskoot/ www.chaibiskoot.com