Latent Semantic Indexing or LSI is what search engines like Google use in order to match the search results to what people are looking for.. This means you should try to write content that goes deep into the subject matter and gives the reader real insight. You want your content to rank high in search engines yet you also need to make the content readable to humans. However you do still need to do your best to help the robots discover your content.. However this does not mean you need to write lengthy content only to appease the search engines.
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