lots of people confuse when some body ask what is LSI ?

LSI full form Latent Semantic Indexing. LSI in academic terms refers to methods of accurate data retrieval, or data retrieval methodology.

In layman’s terms, in marketing terms, here’s what is really means.

Search engines(Google) want to rank your sites according to what they think you should have on your site in order to rank you well for certain search terms and phrases.

If your site is about cats, and all the content on your site are about dogs, not only does that make for a poor visitor experience, but it also makes for misleading on-page optimization.

By misleading on-page optimization, I mean that you shouldn’ t optimize and design your site title and meta tags to “claim” your site is about cats when it’s really about dogs.

on-page optimization was a very critical part of your efforts to rank well in the search engines for certain terms.

Then Google realized that many web marketers were gaming the system with metatags stuffing and keyword stuffing their pages to fake the search engines out by making them think that their site was about something it really wasn’t.

LSI refers to data retrieval and the reason it applies to SERPs and rankings is that search engines like Google are basically just data retrieval systems that find sites that have certain words on them and add them to their index of sites that are about that certain word or phrases. With the advent, or coming predominance of Latent Semantic Indexing in ranking factors, the search engines appear to be looking for the best of both worlds by taking into account what relevant and related keywords are on your site, plus what kinds of sites are linking to yours.

Can LSI be gamed by marketers?

Yes, and it’s already happening, with some sites and services offering LSI keyword research services, and offering to build silo structured sites, which is another part of the LSI ranking theory for SEO.

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