What is Tf*idf ? And how it is important in SEO ?

Tf*idf is a numerical statistic used in information retrieval to

represent how important a specific word or phrase is to a given document.

TF*IDF Example
Consider a document containing 100 words wherein the word SEO appears 3 times.

The term frequency (i.e., tf) for SEO is then (3 / 100) = 0.03.

Now, assume we have 10 million documents and the word SEO appears in one thousand of these. Then, the inverse document frequency (i.e., idf) is calculated as log(10,000,000 / 1,000) = 4.

Thus, the Tf-idf weight is the product of these quantities: 0.03 * 4 = 0.12.

Free Tf*idf Tool: https://www.seobility.net/en/tf-idf-keyword-tool/

#SEOFactors #SEO2019 #LSIKeywords #GoogleRank #SERP

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