OntoSearch

What is Latent Semantic Indexing or LSI ?

Latent Semantic Indexing or LSI has changed the world of search engine optimization. One fine morning, SEO experts found that most of their best ranking sites on Google were in jeopardy. Google has simply updated its crawler-program to accommodate LSI and has moved towards a more relevant rating list!

LSI is a methodology involving statistical probability and correlation that helps deducing the semantic distance between words. It’s obviously a complex methodology but can be easily applied to understand the relation between certain words in a paragraph or in a document. This methodology is being used while indexing a page in the search engine’s database.

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Semantic coding is a type of code that is both descriptive and representative and used by developers with the main purpose of enabling search engines to read their web pages and improve their rank. More recently, its role has been credited with improving the overall organization of the World Wide Web environment.

In the highly competitive world of the web, every developer should focus on quality coding and have a sound understanding of the importance of semantic coding. The result of this will be improved search engine optimization, accessibility, and maintenance over the long term.

If you are looking for more arguments in support of semantic coding, we will further share some guiding principles we embrace when developing a website:

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People get worried when they hear about terms such as SEO and LSI, and when they try to find out how to use latent semantic indexing, they get even more worried when they get conflicting messages. On the one hand some say that LSI doesn’t exist and therefore can’t be used, while others, on the other hand, state that it is critical to your website’s success with the search engines.

We all know what computer people are like, the way they try to make acronyms of everything. LSI is one of these, although not quite what you would call an acronym. LSI does exist, but not in the form that Google would have us believe, and not in any form that you can use to make your website ‘LSI compliant’. Anybody claiming that they can do that are simply playing Google’s trick and using big names for what is a very simple thing to do.

LSI or LSA?

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