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Search engine optimization (SEO) is such a comprehensive term. There are so many aspects of search engine optimization, from how search engines work to how a web page is designed. Before we submerge into this vast topic, it is very important for you to understand what search engines are and how they work.

What is a Search Engine?

According to webopedia, Search engines are programs that search document for specific keywords and return a list of documents where the keywords were found. The term is often used to specifically describe systems like Google, Bing and Yahoo! Search that enable users to search for documents on the World Wide Web.

Web Search Engines

Typically, Web search engines work by sending out a spider to fetch as many documents as possible. Another program, called an indexer, then reads these documents and creates an index based on the words contained in each…

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