First, let's spell out the abbreviation LSI. This is latent semantic indexing, which means “latent semantic indexing”.
There is an algorithm by which search engines decide which pages are relevant to a given search query. And this is the presence of keywords on the page with LSI.
In this article we will tell you everything you need to know about LSI keywords and how to use them to promote your site!
What are LSI keywords?
LSI keywords are keywords semantically related to your main keyword. Many people think that LSI keywords are synonymous. But this is not true. LSI keywords are simply words that are often found together in one context.
For example, “apple” and “itunes” are LSI keywords, because they have the same context and are often found together. But they are not synonymous.
Here are some examples of how LSI works.
Let's say your page or blog post is dedicated to promoting a site on the Internet.
Here are the key queries that may be associated with the word "promotion":
• Career advancement
• Financial house "Promotion"
• TV channel "Promotion"
• SEO promotion
How does Google know what the meaning of the word “promotion” has to do with your page?
Google will search for the LSI keywords on your page to determine the correct value:
• If he finds the words: “career”, “job”, “vacancy”, “labor market”, “boss”, “salary”, your page is probably about promotion.
• If he finds the words: "money", "finance", "deposits", "economy", then your page is most likely devoted to the financial house "Promotion"
• If he finds the words: “news”, “broadcast”, “news release”, “heading”, your page is likely to be “Promotion” channel,
• If he finds the words: "optimization", "meta description", "links", "content", "keywords", your page is likely to promote the site in the network.
So why did Google start using LSI keywords?
Why does Google use LSI keywords?
There was a time when the only indicator that Google used to match a page to this search query was keyword density.
As we all know, keyword density has undergone terrible abuse.
So Google moved away from this algorithm and started looking for LSI keywords.
The logic was:
The legal “Apple Computers” page is likely to contain many other words related to Apple computers (for example, “Apple stores”, “Apple iphone 5”, “Apple New iPad”, “Apple stock price”, “discount”) .
On the other hand, a page with the keyword "Apple computers" will probably just contain this one keyword. For example, the page you are reading.
Thus, the LSI keywords provided Google with a way to separate the wheat from the chaff.
But there is another reason Google started using LSI keywords ...
Latent semantic indexing helps Google better understand the value of a search query and the value of a web page.
And it allows Google to improve its algorithms, which determine the correspondence between what people are looking for and what they find in search results.
Hummingbirds and LSI keywords
In August 2013, Google introduced the Hummingbird algorithm, which is sometimes called the semantic algorithm.
The Hummingbird algorithm focuses on synonyms and improves Google’s ability to understand the context of a web page.
While the previous algorithms were focused on individual words in a search query, Hummingbird scans every word in the context of the entire search query.
In other words, the Hummingbird algorithm tries to make sense — it helps Google match the user's intent with the search results.
But how does this help us rank higher in the search results?
How can LSI keywords improve your ranking?
Here are three ways that LSI words will improve your SEO:
• Google is now looking at the overall context, not at keyword density. This means that your page will have a higher ranking for your main keyword, because Google understands the context of your page better.
• Suppose you have reached the keyword density limit on your page. More repetitions of your keyword - and you risk getting a Google penalty. With LSI keywords, you can safely add closely related keywords.
• Keywords LSI is closely related to your main keyword - these are “keyword variations”. This means that your page will appear in search results for both your keyword and these keyword variations.
Where to find the keywords LSI?
Here are some free tools for searching LSI keywords:
Google Auto Suggest
As soon as you start typing a search query in Google, you see options for automatically continuing the query that people are also looking for.
These are LSI keywords - Google’s algorithm defined them as words that are combined with your search term into predictable patterns.
Requests that are searched with the key phrase
After you enter a search term, scroll down to the Google results page, and you will see the title “Together with the“ key query ”are often searched ...”.
Here you will find some more LSI keywords.
Also add them to your page - they will help you get a higher ranking for your main keyword.
LSIGraph is a free tool for generating LSI keywords.
How to use LSI keywords?
Distribute them throughout the text on the page, if it sounds natural and appropriate.
Some of your LSI keywords will be synonymous with your primary keyword — in this case, you can simply replace them. Of course, you need to mention the main keyword 2-3 times.
No need to worry more about the density of key keywords, since it has been largely replaced by semantic indexing.
Here are the main places where you should use the LSI keywords:
• Page title
• Tags H1 and H2
• Meta tags
• Alt text under images
• First paragraph of text
• Anchor Text Links
• Last paragraph of text
What to avoid using LSI keywords
As with your main keyword, try to avoid over-optimizing your page for any particular LSI keyword.
Overuse of LSI will result in you being penalized by Google.
It is better to use each LSI keyword only once per page.
If you are writing an article of 1500 words, you will inevitably use LSI keywords, because this is the whole essence of LSI - natural (and not optimized) content. Use them, but not more than 1-2 times.
And then watch your pages go up in the search results!
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