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What Are LSI Keywords?

LSI keywords, or Latent Semantic Indexing keywords, are words and phrases related to the mot-clé de mise au point of a webpage. For example, athletic footwear, jogging sneakers, and best shoes for running are LSI keywords for “running shoes.”

LSI keywords are not synonyms. Instead, they are words that you would expect to find in content discussing the focus keyword. For example, an article about yoga usually includes words like meditation, stress, and poses.

Similarly, an article about cars will include terms like road, tires, and transmission.

It is crucial to know that LSI keyword optimization is a disputed SEO technique. Some bloggers believe Google uses LSI keywords to understand the content on the webpage. These bloggers believe LSI keywords may be a ranking factor and will often optimize their content for them.

However, many other bloggers believe LSI keywords are irrelevant to SEO. Google has also denied using them, and Google’s John Mueller has repeatedly denounced LSI keywords as another irrelevant search engine optimization technique.

What is Latent Semantic Indexing?

Latent Semantic Indexing (LSI) is a mathematical technique for analyzing and understanding the relationship between the words in a text.

Many believe search engines use it to identify related words and patterns and understand the meaning of the text on a webpage. This helps them to provide relevant results even when a relevant keyword does not repeatedly appear in the content.

How LSI Algorithms Work

LSI algorithms look for words that usually appear within the same content or context. For example, they look for synonyms and polysemy. 

A synonym is a word that has the same or almost the same meaning as another word. For example, dog and canine are synonyms. This means that dogs will show up when you search for canine. 

Search results for dog shows up when you search for canine

LSI algorithms also look for polysemic words. These are words that have multiple meanings. For example, the word “bank” could refer to a financial institution or a strip of land along a river. 

However, LSI algorithms can distinguish between both types of content by looking for keywords that typically appear within the content. For example, an article about a bank (financial institution) typically includes LSI keywords like savings account, loans, and interest rates.

Meanwhile, an article about a bank (land along a river) typically includes LSI words like shoreline, riverbed, and stream. 

With this knowledge, search engines know both contents are different even when they contain the same focus keyword.

Should I Use LSI Keywords?

Whether or not you decide to use LSI (Latent Semantic Indexing) keywords is up to you, but the general advice is not to specifically optimize your content for them.

When writing naturally, you will likely include LSI keywords without even trying, as they are simply related terms. However, some bloggers intentionally exclude certain LSI keywords if they feel those terms are irrelevant to their content.

Many bloggers still search for LSI keywords as part of their recherche de mots clés and include them in their content. However, their impact on rankings is debated. Google has consistently stated that it does not use LSI keywords, although some SEOs believe otherwise.

There is also speculation that Google uses a more advanced system to detect related terms, which, while not technically LSI, might function similarly by identifying related keywords.

Questions fréquemment posées

What Does LSI Stand For?

LSI means latent semantic indexing. It refers to the complex algorithms that search engines use to analyze the relationships between the words in a text. Its relevance in SEO is disputed. While some bloggers and SEOs believe that is irrelevant to SEO, others insist that it is important and encourage other bloggers to optimize their content for them.

How Do I Find LSI Keywords?

You will require an LSI keyword research tool to find LSI keywords. Some keyword research tools also include options for finding LSI keywords. It is advisable to use these tools rather than coming up with the keywords yourself, as you may miss crucial keywords you will want to include in your content. 

What Are LSI Keywords and Secondary Keywords?

LSI keywords are keywords that are semantically related to a target keyword. Secondary keywords are other keywords a blogger wants their content to rank for. While LSI and secondary keywords may overlap, they are not the same. Secondary keywords, for their part, are selected for their search volume and ranking potential without any consideration about how relevant they are to the primary keyword.

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