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A person wishing to find any information on any topic in all probability is going to take help of an internet search engine. The net has revolutionized the way world views and processes information. Every organization, small or large, wishes to have a strong online presence, and the route for it goes through a search engine. blekko, a new age consumer facing search engine, made its debut in 2010 with a mission of delivering quality and spam free results. It is important to know what a search engine is and how it works to properly differentiate the latest entrant in the highly competitive search engine market, from its older and more established peers. What is a search engine? The World Wide Web has billions of pages presenting information on every topic imaginable. Locating them, however, would be a Herculean task without the help of a search engine. To go to a particular website, a user would have to remember its URL. It goes without saying that it is beyond the power of human brain to memorize the names of billions of websites. Internet search engine are special sites that source content from different sites on the Web and present them to user in a cogent and coherent way. A search engine in other words helps an internet user to find information present on other sites. There are basically three types of search engines but they all perform the below mentioned three essential tasks: 1. A user types certain words in the search box of the search engine. The duty of the search engine is to source content from other sites on the net that contains the keywords specified by the users. 2. The second task they perform is that they keep an index, for future reference, about the words they were asked to find as well as where they found them. 3. The third step is permitting the users to look for words or combination of words that are stocked in the index built by them. Contemporary search engines are powerful information seeking tools that process millions of queries every day from the billions of net users scattered all over the world. Types of search engines There are basically three types of search engines. They are: • Robots—they are also referred to as ants, spiders, or crawlers. • Search engine powered by human submissions. • Hybrid— it is a combination of both complex algorithms and human submissions. Search engine giants like Google and Yahoo use crawlers (automated software agents) to build their indexes. This makes them susceptible to manipulation through Black Hat SEO techniques, like keyword stuffing. Blekko, on the other hand, makes use of both human information and software programs to index and catalogue pages. This way it ensures that only reliable and relevant sites find a place in its search results. Majority of search engines source information through complex algorithms.Blekko, in contrast, relies on human submission as well as algorithms to deliver spam free results. Visiting sites that are of no importance can be an extremely frustrating experience for a user. Blekko gives preference to quality over quantity. This enables the user to find quality sites without wastage of time and other precious resources.
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