What is SEO?
The word SEO stands for search engine optimization. It is a methodology of strategies, techniques and tactics which helps search engines find and rank a website higher than the millions of other websites in responding to a search query. It ensures that a site is accessible to the search engine and improves changes that the site will be found by the search engine. SEO target different kinds of search like video search, image search, academic search, industry-specific vertical search and news search engines.
When someone enters a query in a search engine it gives a list of web results that contain the query term. Normally users have a temptation to visit the websites that are listed in the top as they perceive those websites to be more relevant to the query. If anyone had ever thought about how this website rank better than the other sites. It is because of the powerful marketing technique called search engine optimization.
How Search engines Work
SEO performs several activities to deliver the search results such as indexing, crawling, processing, calculating retrieving and relevancy. First of all search engines crawls the web with a piece of software called a crawler or spider to see what is there. After the page is crawled, the next step is to index the contents. Indexing is the process of identifying the words and expressions that best describe the page. After completing the indexing search engines process this content, it means comparing the search string in the request within the index pages in the database. The search engine initiates calculating the relevancy of each page in its index with the search engine string after processing. There is a different algorithm to calculate relevancy. The last step is retrieving the results it is simply nothing but displaying the results.
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