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Critical Analysis of the Most Popular Search Engines

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Critical Analysis of the Most Popular Search Engines

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The search engine technology has scaled up by a large margin to keep up with the development of the web in the past decade. Presently, Search engines are the most popular and significant tools offered by the World Wide Web. The vast and extensive information present on the Internet can be accessed with the aid of these tools. More descriptively, search engines can be described as computer programs that perform searches of the documents on the Internet that contain the words or phrase that are of interest to the users. Many search engines of varying types and forms are developed and made available to the web every day. A notable majority of these tools provide reviews of websites in addition to search for keywords. Presently, Google and Yahoo are the most popular search engines available on the web.
The internet search engines were created to simple the problem associated with obtaining the relevant results from a simple search query. From their onset, search engines have developed into the most successful applications present on the web today according to recent research. Search engines are categorized as either crawler-based, human-powered or hybrid. Of the three types, crawler-based engines are the most popular. The engines work by application of special software mechanisms popularly known as crawlers, or preferably spiders. Crawler software tools sift through the various WebPages following the links available to the websites. Additionally, the software revisits the WebPages occasionally checking for any changes made. Information obtained in these processes are indexed in a fashion that enables the search engines to sort through and obtain the most relevant matches based on the query from the internet user.
Human-powered search engines operate through a summary of sites

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