What is LSI?
 

I have heard some SEO guru that Don't create link from using same anchor tag keyword. They suggested to use LSI keywords.
My question is What is LSI?

Latent Semantic Indexing in SEO is an algorithm used by search engines. The method is for indexing and retrieval.

Latent semantic indexing (LSI) is an indexing and retrieval method that uses a mathematical technique called singular value decomposition (SVD) to identify patterns in the relationships between the terms and concepts contained in an unstructured collection of text.

Latent Semantic Indexing - keywords which are similar to the primary keywords.

i will give you ex :i hope this will understand you
LSI keyword - LSI keyword is the latent semantic indexing keyword which is generally related to the main keyword

ex - packers and movers pune - main keyword

LSI - local packers movers pune
best moving services pune

Latent Semantic Indexing [LSI ] is indexing relevant keywords

Latent semantic indexing is a concept that search engines like Google use to discover how a term and content work together to mean the same thing. This is very helpful to identify the most valuable keyword terms and to improve SEO traffic.

Latent semantic indexing, sometimes referred to as latent semantic analysis, is a mathematical method developed in the late 1980s to improve the accuracy of information retrieval.

LSI means in SEO is Latent Semantic Indexing. These keywords describe what type of content you have posted. It helps to boost your website traffic.

Latent Semantic Indexing in SEO is an algorithm used by search engines. The method is for indexing and retrieval. Latent semantic indexing, sometimes referred to as latent semantic analysis, is a mathematical method developed in the late 1980s to improve the accuracy of information retrieval.

LSI Keyword is the keyword that is semantically linked to the main keyword. In SEO (search engine optimization) context, they are keywords that we should be using our content to help search engines understand our content better.

LSI is latent semantic indexing.
In simple words: it's all words that related to your main semantic kernel.
For example, while you're typing in google query like "buy power bank", and Google shows you pages which can contain any word "power bank", but contain "buy portable charger". So google understands what you mean and gives you relevant pages.

Latent semantic indexing (LSI) is an indexing and retrieval method that uses a mathematical technique called singular value decomposition (SVD) to identify patterns in the relationships between the terms and concepts contained in an unstructured collection of text.

Latent Semantic Indexing (LSI) is a mathematical method used to determine the relationship between terms and concepts in content. The contents of a webpage are crawled by a search engine and the most common words and phrases are collated and identified as the keywords for the page.

RJR Hospital - Arthritis Treatment in Vellore | Arthritis Treatment in Chennai | Psoriasis Treatment in Villupuram​ | RJR Hospital

Suppose when you put one keyword on search engine that time you will see number of search results over search engine result page.At bootom of SERP page 10 Relative keyword shows you over there that keywords we considered as LSI which is related to your main keyword.