Keyword Density Checker

Analyze term frequency, n-grams and stop-word ratio.

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About the Keyword Density Checker

Analyse how often terms appear in your content. The Toolcenter Keyword Density Checker counts single words or 2- and 3-word phrases, optionally ignoring stop words, and shows each term’s count and density percentage with a bar chart, plus total, unique and character counts.

How to use it

1Paste your page copy or article.
2Choose 1-, 2- or 3-word phrases.
3Toggle stop-word removal.
4Review the density table for over- or under-use.

Key features

Single word and 2/3-word phrase analysis
Stop-word filtering
Density percentage per term with bars
Total, unique and character counts
Runs offline

Frequently asked questions

What is a good keyword density?+

There is no exact target, but 1-2% for a primary term usually reads naturally. Much higher can look like keyword stuffing.

Why check 2- and 3-word phrases?+

Real search queries are usually phrases. Seeing your top bigrams and trigrams shows what the page actually emphasises.

Should I remove stop words?+

Yes, for a clearer picture — otherwise “the” and “and” dominate the list.

Is my content uploaded?+

No. Analysis runs in your browser.

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