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SEOKeyword Density Analyzer

Keyword Density Analyzer

Free online keyword density analyzer. Analyze word frequency, keyword density percentage, and n-gram distribution (unigrams, bigrams, trigrams) in any text. Includes stop word filtering and word cloud visualization. Ideal for SEO content optimization. 100% browser-based with zero uploads.

100% browser-based — your data never leaves your device

Word FrequencyN-Gram SupportStop Word FilterExport Report
HomeSEOKeyword Density Analyzer
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Tool

Analyze keyword frequency and density in any text for SEO optimization.

Word Frequency

Shows word frequency counts sorted by density percentage.

N-Gram Support

Analyze single words, bigrams, and trigrams for phrase-based keywords.

Stop Word Filter

Optionally filter out common English stop words for cleaner analysis.

Export Report

Copy the keyword analysis as a formatted table or CSV.

How to Use

1

Paste your content

Copy your article, blog post, or webpage text and paste it into the input area.

2

Configure analysis settings

Toggle stop word filtering on/off and select n-gram size — unigrams, bigrams, or trigrams.

3

Review keyword density

See each keyword's frequency count and density percentage sorted from highest to lowest.

4

Export the report

Copy the keyword analysis as a formatted table or CSV for documentation or further analysis.

0 chars0 words0 lines
Ln 1, Col 1

Ctrl+Enter to extract keywords

Frequently Asked Questions

Keyword density measures how often a specific word or phrase appears in your content relative to the total word count. It helps avoid keyword stuffing while ensuring relevant terms are adequately represented.

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How to Use the Free Client-Side Keyword Density Analyzer

Keyword stuffing and thin keyword usage are two sides of the same mistake, and both are easy to make without hard numbers. This analyzer measures exactly how often each word and phrase appears so you can tune your content deliberately.

  1. Copy your article, blog post, or webpage text and paste it into the input area.
  2. Configure the analysis by toggling stop word filtering and selecting the n-gram size, choosing unigrams, bigrams, or trigrams.
  3. Review each keyword's frequency count and density percentage, sorted from highest to lowest.
  4. Copy the keyword analysis as a formatted table or CSV for documentation or further analysis.

When to Use Keyword Density Analyzer

Density analysis fits naturally into the editing stage of content work. The main use cases are analyzing keyword usage in blog posts to avoid keyword stuffing, optimizing landing page content for target keywords at a natural density, and comparing keyword distribution across competitor articles for SEO research. Writers, editors, and SEO practitioners all use it to check whether their text leans too hard on one term or misses a phrase entirely.

The tool is built for depth as well as speed. Word frequency counts are sorted by density percentage, n-gram support covers single words, bigrams, and trigrams so phrase-based keywords appear in context, and the stop word filter removes common words like the, a, is, and and that would otherwise dominate the results. The CSV export makes it easy to file the analysis alongside your content documentation.

Keyword Density Analyzer Tips and Best Practices

  1. Aim for a natural keyword density around 1-3 percent. Higher percentages risk being flagged as keyword stuffing by search engines.
  2. Write naturally first and check density afterward. Forcing keywords in to hit a target number harms readability and can trigger penalties.
  3. Enable stop word filtering for meaningful results, since common words can crowd out the content words that matter.
  4. Use bigram and trigram analysis to see how your target keyphrase appears in context rather than only as individual words.

Why Client-Side Privacy Matters for Analyzing Unpublished Drafts and Competitor Research Text

The text you run through a keyword analyzer is either unpublished content or competitor research, both of which are sensitive in different ways. An unpublished draft is your in-progress strategy, and pasting competitor articles into an online tool could expose your research approach and the pages you are targeting.

This analyzer processes everything locally in your browser, so your content never leaves your device. You can experiment freely with drafts and research without a third party collecting the text you are analyzing.

How to Use Keyword Density Analyzer

1

Paste your content

Copy your article, blog post, or webpage text and paste it into the input area.

2

Configure analysis settings

Toggle stop word filtering on/off and select n-gram size — unigrams, bigrams, or trigrams.

3

Review keyword density

See each keyword's frequency count and density percentage sorted from highest to lowest.

4

Export the report

Copy the keyword analysis as a formatted table or CSV for documentation or further analysis.

Examples

Practical examples to help you get the most out of Keyword Density Analyzer:

Analyzing a blog post for keyword density

Input: 'Learn SEO tips for beginners. These SEO tips will help you rank higher. SEO is essential for online visibility.'
Word count: 18
'SEO': 3 occurrences (16.67% density) — high
'tips': 2 occurrences (11.11% density)

Using n-grams for phrase detection

Input: "best coffee maker for home"
Bigram results:
"best coffee": 1
"coffee maker": 1
"maker for": 1
"for home": 1
Trigram results:
"best coffee maker": 1
"coffee maker for": 1
"maker for home": 1

Common Mistakes and How to Avoid Them

Keyword stuffing to increase density

Forcing keywords into content to hit a target density harms readability and can trigger search engine penalties. Write naturally and check density afterward, not before.

Ignoring stop words in analysis

Common words like 'the', 'a', 'is', 'and' can dominate frequency counts. Enable stop word filtering to get meaningful keyword data focused on content words.

Frequently Asked Questions

What is keyword density in SEO?

Keyword density measures how often a specific word or phrase appears in your content relative to the total word count. It helps avoid keyword stuffing while ensuring relevant terms are adequately represented.

What is a good keyword density percentage?

A natural keyword density of 1-3% is generally recommended. Higher percentages may be flagged as keyword stuffing by search engines.

What are n-grams in keyword analysis?

N-grams are contiguous sequences of n words. Unigrams (1 word), bigrams (2 words), and trigrams (3 words) help you analyze phrase-based keywords and natural language patterns.

Is my text sent to a server?

No. All analysis happens locally in your browser. Your content never leaves your device.

Key Features

Word Frequency

Shows word frequency counts sorted by density percentage.

N-Gram Support

Analyze single words, bigrams, and trigrams for phrase-based keywords.

Stop Word Filter

Optionally filter out common English stop words for cleaner analysis.

Export Report

Copy the keyword analysis as a formatted table or CSV.

Common Use Cases

Keyword Density Analyzer is useful in a variety of scenarios across different workflows:

Analyze keyword usage in blog posts to avoid keyword stuffing

Optimize landing page content for target keywords with natural density

Compare keyword distribution across competitor articles for SEO research

Tips & Best Practices

Aim for 1-3% density

A natural keyword density of 1-3% is generally recommended. Higher percentages may be flagged as keyword stuffing by search engines.

Check n-grams for phrases

Use bigram and trigram analysis to see how your target keyphrase appears in context, not just individual words.

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YouTube Tags

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Schema Generator

Generate JSON-LD schema markup for articles, products, FAQs, local business, and more.

Sitemap Generator

Generate XML sitemaps from a list of URLs with priority and frequency settings.

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