What is Latent Semantic Indexing?
Latent Semantic Indexing (LSI) sounds like it could describe something incredibly complex, but the concept is quite simple. I guess the easiest way to explain it is with themes. For example, a page about speedometers on a site about paper clips is a little out of place; particularly if the term “speedometer” is being targeted. Latent Semantic Indexing looks not only at the page, but at other pages on the site and inbound links to that page to gauge an overall idea of the theme of the site and therefore the relevance. Additionally, LSI rewards more natural page development where related keywords are also recognized. As an example, in the past if your target term was “web marketing”, then that’s the keyword or keyphrase you would focus on working into your content. While this is still important to a degree, a search engine that engages Latent Semantic Indexing may also recognize terms such as online promotion, internet marketing, internet selling and online retailing as terms being stron
