Keyword Density Checker

Optimize your content relevance by analyzing keyword frequency.

What This Tool Does

The Keyword Density Checker analyzes the frequency and distribution of words and phrases in your content. It calculates density percentages for single words (unigrams), two-word phrases (bigrams), and three-word phrases (trigrams). You can paste text directly or fetch content from a live URL.

Inputs

  • URL fetch: Enter any webpage URL to extract and analyze its text content.
  • Text input: Paste or type content directly into the textarea for analysis.

How It Works

The tool processes your text by removing common stop words, then counts the occurrences of each unigram, bigram, and trigram. It calculates the percentage each term represents relative to the total word count and ranks results by frequency. When fetching from a URL, the tool strips HTML tags and scripts to analyze only visible text content.

Understanding the Results

  • Word count: Total number of words in the analyzed text.
  • Density tables: Ranked lists of unigrams, bigrams, and trigrams with their occurrence count and percentage of total words.
  • Color coding: Terms with higher density are highlighted to make the most-used phrases easy to identify at a glance.
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Total Words
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Top Keyword

Single Keywords (1-gram)

Word Count Density

2-Word Phrases (2-gram)

Phrase Count Density

3-Word Phrases (3-gram)

Phrase Count Density

Step-by-Step Example

  1. Paste a blog post draft into the text area or enter the URL of a published article.
  2. Click Analyze to process the content.
  3. Review the unigram table. Check if your target keyword appears in the top results.
  4. Check the bigram and trigram tables for your target long-tail phrases.
  5. If your primary keyword density is below 1 percent, consider adding more natural mentions.
  6. If density exceeds 3 percent, reduce usage to avoid keyword stuffing.

Use Cases

  • Pre-publication content audits to ensure target keywords are present without over-optimization.
  • Competitive analysis by fetching and comparing keyword distribution on competitor pages.
  • Identifying unintended keyword repetition that could trigger spam filters.
  • Discovering which phrases your content emphasizes most for topic alignment checks.
  • Supporting content briefs by comparing actual density against planned targets.

Limitations and Notes

  • Stop words such as "the," "and," and "is" are excluded from analysis to focus on meaningful terms.
  • Keyword density alone does not determine rankings. Search engines use hundreds of signals including relevance, authority, and user experience.
  • URL fetching only captures visible text. Content rendered by JavaScript may not be included.
  • The tool does not assess keyword placement, such as whether keywords appear in headings, the first paragraph, or anchor text.

Frequently Asked Questions

What is keyword density in SEO?

Keyword density is simply the percentage of times your target keyword appears compared to the total word count on a page. So if your blog post has 1,000 words and the phrase appears 12 times, density is 1.2%. We track it because it helps you spot two problems quickly: a page that under-uses the term and reads off-topic, or a page that overuses it and starts looking spammy. Run any draft through our checker before you publish, and you'll see exactly where you stand.

What is a good keyword density percentage?

Honestly, there's no magic number. Most experienced writers aim somewhere between 1% and 2% for the primary keyword, but I've seen pages rank fine at 0.5% when the topic is covered well. Long-form guides naturally sit lower; short product pages can sit higher. News and e-commerce behave differently from B2B blogs. Treat the percentage as a sanity check, not a target. If your tool flags 4% or 5%, that's the warning sign — go rewrite, don't celebrate.

How to calculate keyword density?

The formula is straightforward: (Number of times the keyword appears ÷ Total words on the page) × 100. Take a 600-word article where 'meta description' shows up 9 times — that's (9 ÷ 600) × 100 = 1.5%. For multi-word phrases, count each full phrase once, not the individual words. Doing this by hand on a long page is painful, so paste the URL or text into our Keyword Density Checker and you'll get the count, density, and top phrases in seconds.

How to check keyword density of a page?

Quickest path: open our Keyword Density Checker, drop in the URL or paste the page content, and hit analyze. You'll see the top single words, two-word phrases, and three-word phrases ranked by frequency, along with the density percentage for each. Compare your target keyword's spot in that list — if it's not in the top few, the page probably isn't focused enough on the topic. If a random phrase outranks your target, that's a clue the content has drifted.

Does keyword density still matter for SEO?

It matters, but not the way it did fifteen years ago. Google reads context now — synonyms, related terms, the whole semantic field. Stuffing the exact phrase 30 times won't help. That said, density is still a useful gut-check. If you're writing about 'electric scooters' and the phrase only appears once, the page isn't really about electric scooters. Use density to catch missing focus, not to hit a target. Pair it with related terms like 'e-scooter' or 'EV bike' for natural coverage.

Can high keyword density hurt rankings?

Yes, when it crosses into stuffing. The symptoms show up before any algorithm penalty: bounce rate climbs, time-on-page drops, and the copy reads awkward when you say it out loud. Google's helpful content systems are good at spotting unnatural repetition. If our tool shows your primary keyword above 3% to 4%, take that as a red flag and rewrite. Replace some mentions with synonyms, pronouns, or related phrases. Your page will read better and rank more reliably — both win.

What is keyword stuffing in SEO?

Keyword stuffing is when you cram a keyword into a page over and over, hoping the repetition will push rankings up. Classic signs: hidden text, awkward sentences that bend just to fit the phrase, footer paragraphs full of city names, or a paragraph like 'best Delhi pizza, cheap Delhi pizza, top Delhi pizza...' Google has been catching this since 2003. It now triggers helpful-content downgrades. Use the Keyword Density Checker to spot stuffing in your own pages before search engines do.

Sources and References

Related SEO Tools

How to use Keyword Density correctly

Keyword density is no longer a primary ranking factor, but it helps ensure your content stays on topic. Aim for natural language.

What is the ideal density?

There is no magic number. Most SEOs recommend 1-2% for your primary keyword. Anything above 3% might look spammy (keyword stuffing).