Keyword Density Checker
Free keyword density checker. Paste your content and a keyword to get total words, whole-word occurrences, density percentage and a stuffing verdict.
About the Keyword Density Checker
A keyword density checker that counts whole-word, case-insensitive occurrences of a keyword in your content and reports the density percentage — under 0.5% low, 0.5–2.5% natural, above 2.5% a stuffing risk.
Keyword density is the share of your content occupied by a target keyword — occurrences multiplied by the words in the phrase, divided by total words. It stopped being a ranking lever years ago (modern search engines read topics and synonyms, not raw counts), but it remains a useful sanity check in both directions: a density near zero suggests the page never clearly commits to its topic, while a high one reads as spam to humans and can trip over-optimization filters.
This checker counts whole-word, case-insensitive matches — searching for 'car' won't inflate the count with 'carpet' or 'scared' — and handles multi-word phrases with any spacing between the words. You get the total word count, the number of occurrences, the density to two decimals, and a plain verdict: under 0.5% reads as low, 0.5–2.5% is the comfortable range most SEO practitioners aim for, and beyond 2.5% you're flirting with keyword stuffing. Everything recalculates live as you edit, so you can tune a draft in place.
Use the number as a smoke alarm, not a target. If density is low, the fix is rarely to sprinkle the exact phrase mechanically — it's to check that the keyword appears where it structurally matters: the title, the first paragraph, at least one heading, and the meta description. If density is high, replace repetitions with natural variants and pronouns; if a sentence sounds robotic when read aloud, a search engine's spam classifier tends to agree. Write for the reader first, then verify the numbers here.
How to use the Keyword Density Checker
- Paste your text (article, page copy, or product description) into the Content field.
- Enter the specific keyword or keyphrase you want to analyze.
- The tool instantly calculates total words, keyword occurrences, and your density percentage.
- Check the verdict to see if your density is too low, natural, or risking keyword stuffing.
Worked example
a 500-word article containing a 2-word keyword 5 times → density (5 × 2) ÷ 500 × 100 = 2% — just inside the natural range.
Formula
Density % = (occurrences × words in phrase) ÷ total words × 100. Verdict: below 0.5% low, 0.5–2.5% good, above 2.5% stuffing territory.Frequently asked questions
- What exactly is considered a 'good' keyword density?
- Generally, aiming for roughly 0.5% to 2.5% for your primary keyword is considered safe and natural. There's no magical number that guarantees higher rankings — this range simply indicates that your content stays on topic without sounding robotic or spammy.
- Does keyword density actually boost my Google rankings?
- Not directly as a positive ranking factor anymore. Google is smart enough to understand topics, synonyms, and context. However, checking your density is still crucial as a defensive measure to ensure you don't trigger over-optimization penalties for 'keyword stuffing'.
- How does the tool count multi-word phrases?
- The tool looks for the exact phrase in order (ignoring case and extra spaces) as whole words. When it calculates density, it counts every word in that phrase. For example, if a 2-word phrase appears 5 times in a 500-word article, the density is calculated as (5 occurrences * 2 words) / 500 total words, which equals 2%.
- Should I check variations of my keyword separately?
- Yes, absolutely. You should check singular forms, plural forms, and close synonyms individually. Modern SEO is all about naturally covering the broader vocabulary of a topic rather than awkwardly repeating one exact phrase over and over.
- What should I do if my density is too high?
- If your density is over 2.5%, read your content aloud. If it sounds repetitive, replace some instances of your exact keyword with pronouns (it, they) or natural synonyms. Write for human readers first, and the search engines will follow.
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