What are LSI keywords?

It stands for Latent Semantic Indexing Keywords and essentially they are the words related to the keyword you are trying to rank for. They should be included on the page to help increase keyword relevancy.

 LSI stands for Latent Semantic Indexing. These are keywords that are similar to synonyms and related keywords, but not entirely so. They are the words a normal human would use when talking about the keyword topic.

Latent semantic indexing keywords, or LSI keywords is really just a dressed up name for synonyms or related keywords. LSI stands for Latent Semantic Indexing but let's not get complicated about this. In simple terms it is just how Google decides what your page is about. We all know about main keywords and anchor text links but these little guys are really important. Think about it, they are how Google decides what your page is about.

LSI keywords are keywords which essentially related to your website main keywords

LSI Keywords are essentially keywords related to the keyword that you search for on search engines such as Google.