Latent Semantic Indexing (LSI)The content of a website page are slithered by a web search tool and the most widely recognized words and expressions are gathered and distinguished as the watchwords for the page. LSI searches for equivalent words identified with the title of your page. For instance, if the title of your page was "Exemplary Cars", the web crawler would hope to discover words identifying with that subject in the substance of the page also, i.e. "gatherers", "vehicles", "Bentley", "Austin" and "auto barters".
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