Latent Semantic Analysis is what the search engines utilize to improve the web pages. In this process, each engine runs a confidential search of the attached articles on each web page and examines it for its relevancy to the topic as well as the quality and precision of its content. When it is excellent, the site gets listed at the top ranks on the search engine's actual results page list and when it is not good enough, it is being noted as a spam.
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