What Are LSI Keywords in SEO? | Best LSI Keyword Generators

By burim — In SEO — January 13, 2020



What are LSI Keywords?

What are the LSI keywords? 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.

An LSI keyword is a phrase that contains words that are similar to your main keyword – it is often a synonym.

Latent semantic indexing keywords are nothing but SEO terms for related keywords or synonyms.

LSI Keywords

LSI Keywords

These words will help improve the quality of the content that users are provided with.
Latent Semantic Indexing Keywords are basically keywords that are semantically related to your primary keyword.

LSI looks for synonyms related to the title of your page.

It keeps content relevant and rich and benefits not only visitors but website owners that produce quality material.

Search engines, use Latent Semantic Indexing as part of their search analysis when trying to decide what websites will show up in their search results.

What are the Long tail keywords?

Long-tail keywords often contain detailed information about the user within them, including information like location, demographics, needs, and more.

What’s the difference between LSI and Long Tail Keywords?

LSI keywords should be considered as related search terms, whereas long-tailed are related but more closely based on the main term.

You should also consider checking our new domain generator tool page.

Keyword Discovery

Keyword research is a vital first step in any search engine marketing campaign.

There are a lot of keyword research tools available to do the job.

Keyword discovery is a process where you determine the keywords relevant to your website.

How to Find LSI Keywords?

Simply use Google to search for a keyword and then look at what Google highlights in the description of the results.

This will give you a good list of LSI keywords to use.

The easiest way to find LSI keywords to use is by picking out one of your keywords and doing a search for it in Google’s search bar.

As you type out the keyword, Google will automatically provide a list of words or phrases that match your keyword.

Another way to obtain a list of valuable LSI keywords is by doing a search for your keyword, then scrolling all the way down to the bottom of the first page of results.

There you will find a small section titled “searches related to the keyword.”

All of these related searches are excellent LSI keywords that you can use.

LSI Keywords Tools- Keyword Suggestion Tools:



LSI Graph is a handy LSI (Latent Semantic Indexing) keyword generator. Enter a keyword and get a list of terms that you can sprinkle into your content.

LSI Graph Keyword Generator Tool
LSI Graph Keyword Generator Tool

2. Suggestion Keyword Finder

Simply enter a keyword or keyword phrase in the available field to get a list of related keywords.

You can use this information to discover new keyword opportunities your competitors may be ignoring.

Make sure to check “Level 3” so that you get access to the largest list of keywords.

Suggestion Keyword Finder Tool
Suggestion Keyword Finder Tool

3. Google Correlate

Google Correlate is a tool that lets you find search patterns that correspond to real-world trends and obtain related keywords that you can use as LSI keywords.

It shows you keywords that tend to get searched for together.

Google Trends Correlate Keyword Tool
Google Trends Correlate

4. Soolve

Soolve is a free tool that pulls auto-complete suggestions from a handful of different sources like Google, YouTube, Amazon, and Wikipedia.

Soovle Related Keywords Tool
Soovle Tool

5.SEOPressor WordPress Plugin

SEOPressor is one of the most popular WordPress plugins for the purpose of finding LSI keywords.

You should read also about the other SEO keyword research tools including free and premium.

How do you use LSI Keywords?

1. Choosing the right LSI Keyword

Depending on the target of your article, you would want to make sure you are using only the most relevant LSI keywords in your article.

2. Implementing the right LSI Keyword

Some places where it is suitable for you to use your LSI Keywords:

  • Title tag
  • Description tag
  • Header tags
  • Permalinks
  • Anchor Texts
  • Beginning and ending of the article
  • Replace any of the regular keywords you are ranking for with LSI keywords

Best practices for using LSI Keywords for SEO

Having LSI keywords in the article will make it SEO friendly and relevant.

  1. Use at least two LSI keyword phrases within your content in addition to your main keyword.
  2. Use each no more than two times in the content.

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