Keyword Density Checker Free.
Paste text or enter any URL. Get instant keyword frequency and density results for 1 to 4-word phrases. Used by content writers, SEO professionals, and digital marketing agencies.
4-gram
Analyses 1, 2, 3 and 4-word phrases in a single run
2
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Everything You Need to Analyse Keyword Usage
A focused tool that does one thing well. No bloated dashboards, no forced upgrades.
Text & URL Analysis
Paste raw text directly, or enter any live page URL. The tool fetches and parses the page content automatically, stripping navigation and boilerplate.
1 to 4-Word Phrase Analysis
Analyse single keywords (1-gram), two-word phrases (2-gram), three-word phrases (3-gram), and four-word long-tail phrases (4-gram) all in one analysis run.
Instant Results
Results render in milliseconds. No waiting, no progress bars, no email to retrieve your report. Analyse, read, adjust, repeat.
Competitor Page Analysis
Enter any competitor’s URL to see which keywords they emphasise and at what density. Benchmark your content before publishing.
Stop Word Filtering
Filter out common stop words (the, a, is, are) so your results focus on meaningful keyword phrases rather than filler words inflating the counts.
No Registration Required
Completely free with zero gating. No account, no email, no credit card. Start analysing immediately. No usage limits applied.
What Is Keyword Density?
A foundational on-page SEO metric every content creator should understand.
The Definition
Keyword density is the ratio of how many times a specific keyword or phrase appears in a piece of content compared to the total number of words, expressed as a percentage.
For example: if you write a 1,500-word blog post and your target keyword appears 18 times, the density is 1.2% – well within the recommended range.
Why It Was Important Historically
In the early days of search engines, keyword density was heavily weighted as a relevance signal. Webmasters would stuff keywords at 10-15% density to rank for competitive terms. Google’s Panda algorithm update (2011) fundamentally changed this by penalising over-optimised content.
Today, keyword density itself is not a ranking factor. However, it remains a useful diagnostic metric: too low and your keyword may be absent from the content entirely; too high and the content reads unnaturally and risks over-optimisation signals.
The Density Scale
Natural frequency. Keyword is present but content reads well. Safe for all major search engines.
Elevated frequency. Acceptable in some niches with high topical relevance, but review for naturalness.
Risk of over-optimisation. Content likely reads repetitively. Reduce keyword usage or increase word count.
Likely triggers algorithmic penalties. Google’s guidelines explicitly prohibit keyword stuffing. Rewrite required.
Keyword Density vs Keyword Frequency
Keyword frequency is the raw count of how many times a keyword appears. Keyword density is that count expressed as a percentage of total words. Both metrics are shown in this tool. Frequency is useful for short-form content; density is more meaningful for longer pages where the total word count varies.
How to Check Keyword Density
Three steps. Under 30 seconds from start to result.
Choose Input Method
Switch between Paste Content (for drafts, documents, or copied text) and Analyse by URL (for live pages, including competitor sites). Both modes produce identical output.
Configure Settings
Set your minimum word length to filter short words, toggle stop word filtering to exclude filler words, and choose case sensitivity if your keyword is a brand name or acronym.
Review and Act
Scan the results table sorted by frequency. Find your target keyword. If density is above 2%, look for synonyms or semantic variations to replace some instances. Below 0.5%? Add the keyword to thin sections.
Keyword Density Best Practices for 2026
What modern SEO professionals actually do when optimising content keyword usage.
Target 1-2% for Your Primary Keyword
Keep your main target keyword in the 1% to 2% density range. In a 1,500-word article, that means 15-30 occurrences. If you need to exceed this to cover the topic thoroughly, increase the total word count rather than repeating the keyword more often.
Use Semantic Variations and Related Terms
Instead of repeating “keyword density checker” 20 times, use natural variations: “keyword frequency tool”, “keyword density analyser”, “check keyword usage”. Google’s semantic understanding means related terms contribute to relevance without the repetition risk.
Analyse Multi-Word Phrases Separately
A 2-gram phrase like “keyword density” will naturally have a lower density than the individual words “keyword” or “density”. Use this tool’s 2-gram and 3-gram tabs to check that your key long-tail phrases appear a meaningful number of times.
Benchmark Against Top-Ranking Competitors
Enter the URLs of the top 3-5 pages currently ranking for your target keyword. Note their density levels for the keyword. This gives you a realistic baseline for that specific topic rather than applying a universal 1-2% rule blindly.
Check Before Publishing, Not After
Keyword density analysis is most valuable as a pre-publication checklist item. Run the tool on your draft, make adjustments, then publish. Retroactively fixing over-optimised published pages requires a rewrite and a recrawl before results are visible.
Density Is One Signal, Not the Goal
High-ranking content has the right keyword density AND strong E-E-A-T signals, satisfying search intent, good internal linking, and quality backlinks. Use this tool to avoid obvious density errors, but do not optimise density at the expense of content quality or readability.
What Is Keyword Stuffing and Why Does It Hurt Rankings?
Keyword stuffing is the practice of inserting a keyword into content at an unnatural, excessive frequency in an attempt to manipulate search rankings. Common forms include: repeating a keyword in the body text at 6-10%+ density, loading keywords into meta tags beyond what is useful, adding keyword-filled hidden text, and inserting keywords in ways that do not read naturally.
Google’s Search Quality Evaluator Guidelines explicitly classify keyword-stuffed content as low quality. The algorithmic penalty is applied at the page level – not just reduced rankings for the stuffed keyword, but degraded overall page authority. Recovery requires a full content rewrite followed by a new crawl and re-evaluation cycle, which can take weeks.
Use this tool to catch keyword stuffing errors before publishing. A density above 4% for any primary keyword is a clear rewrite signal.
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“Our free keyword density checker helps you analyse keyword frequency in any piece of content. Paste your text or enter a URL to see how often each phrase appears and whether you are within the recommended 1-2% range.”
Who Uses a Keyword Density Checker?
This tool serves different needs for different users.
Content Writers
Run a density check on every article before handing it off to a client or publishing. Catch accidental over-use of the primary keyword that crept in during editing. Confirm your keyword actually appears in the piece.
SEO Professionals
Audit existing pages for over-optimisation as part of a technical SEO review. Enter client URLs directly to diagnose potential keyword stuffing penalties without downloading content manually.
Digital Agencies
Quickly benchmark competitor keyword usage across multiple URLs. Present density reports to clients as part of content strategy deliverables. Train junior writers on keyword optimisation with a visual, data-driven tool.
Bloggers and Site Owners
Self-audit your own posts before publishing. If you write your own SEO content without a professional review, this tool gives you a fast sanity check on keyword usage with no technical knowledge required.
5 Common Keyword Density Mistakes to Avoid
Errors that content teams make repeatedly – and how to fix them.
Optimising for density before writing for humans
Writing with a target density in mind produces robotic, repetitive copy. Write naturally first, then check density. If the number is off, adjust – do not reverse-engineer your writing around a percentage target.
Only checking 1-word density, ignoring phrase density
If your target is “keyword density checker” (a 3-word phrase), checking the density of the individual word “keyword” tells you very little. Always run the 2-gram and 3-gram analysis for your specific target phrase.
Treating 1-2% as a universal law
The 1-2% guideline is a general starting point, not a rigid rule. Highly technical content may naturally have a higher density of specialist terms. Always benchmark against actual top-ranking competitors for your specific keyword.
Forgetting to check secondary keywords
Most pages target one primary keyword and 3-5 secondary keywords. Only checking the primary keyword leaves secondary over-optimisation undetected. Use this tool to spot-check all major target phrases in a single session.
Not re-checking after editing
A page that passed a density check at draft stage may be over-optimised after the editor added an introduction or the client expanded a section. Re-run the analysis on the final version before publishing.
Frequently Asked Questions
Answers to the most common questions about keyword density and this tool.
What is keyword density?
Keyword density is the percentage of times a specific word or phrase appears in your content relative to the total word count. It is calculated by dividing the keyword count by the total word count and multiplying by 100.
What is the ideal keyword density in 2026?
Most SEO professionals recommend a density of 1% to 2% for your primary keyword. Secondary keywords and supporting phrases should appear at a lower, more natural frequency. There is no single correct number – benchmark against top-ranking pages for your specific keyword.
Is keyword density a Google ranking factor?
No. Google has confirmed that keyword density is not a direct ranking signal. However, extreme over-use of a keyword (keyword stuffing) is explicitly against Google’s guidelines and is penalised algorithmically. Use this tool to stay within a natural range, not to hit a magic percentage.
Can I analyse a competitor’s page?
Yes. Switch to the “Analyse by URL” tab and enter any public URL. The tool fetches the live page and analyses its keyword density, allowing you to reverse-engineer the keyword strategy of competing pages.
Do I need to create an account?
No. The tool is completely free with no account, login, email address, or credit card required. There are no usage limits. Analyse as many pages as you need.
What is keyword stuffing?
Keyword stuffing is the practice of inserting a keyword into content at an unnaturally high frequency (typically 6%+) to try to manipulate search rankings. Google’s Quality Evaluator Guidelines classify this as a spam technique. A density check before publishing helps you avoid it.
What is a 2-gram or 3-gram keyword?
N-gram refers to a sequence of N words. A 2-gram (bigram) is a two-word phrase, for example “keyword density”. A 3-gram (trigram) is three words, for example “keyword density checker”. This tool analyses 1-gram through 4-gram phrases so you can check density for any keyword length.
What does stop word filtering do?
Stop words are common words (the, a, is, in, for) that carry no keyword meaning. Filtering them out removes these from the results so you can focus on meaningful keyword phrases. Toggle stop word filtering off if you need to see the full unfiltered word list.
How is keyword density different from keyword frequency?
Keyword frequency is the raw count of how many times a keyword appears. Keyword density is that count expressed as a percentage of total words. Frequency is useful for short content where total length is fixed; density is more meaningful for longer content where the total word count varies between pieces.
Does keyword density apply to meta tags and headings?
This tool analyses the visible body text of a page (or pasted content). Keyword placement in title tags, meta descriptions, and H1-H6 headings is analysed separately as part of on-page optimisation. The density calculation here is based on body copy word count only.
My keyword density is too high. How do I fix it?
Three approaches: (1) Replace some instances of the exact keyword with semantic synonyms or related phrases. (2) Increase the total word count of the piece to dilute the density. (3) Remove redundant keyword repetitions where they add no value to the reader. Avoid simply deleting keywords without adding replacement value.
Can I use this to check PDF or Word document content?
Use the Paste Content tab. Copy the text from your PDF or Word document and paste it into the text field. The tool analyses whatever text you provide, regardless of the original file format.
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