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SEO
Ready
Keyword Density Checker
Analyze keyword frequency, density, top terms, and phrase usage in page copy.
Word count Exact phrase density Title and H1 placement checks First-occurrence check
Keyword density is descriptive, not a ranking target. Use placement and repetition data to improve clarity, not to chase a fixed percentage.
Private browser processing. Your input is processed on this device and is not sent to the Trexmi server.
INPUT Page copy *
Keyword density analysis
Keyword frequency, placement, distribution, and 1–4 word phrase analysis.
Focus keyword
Analyzed
—
0 matches · 0% density
| Term | Count | Density |
|---|
2-word phrases0
| Phrase | Count | Density |
|---|
No repeated 2-word phrases found.
3-word phrases0
| Phrase | Count | Density |
|---|
No repeated 3-word phrases found.
4-word phrases0
| Phrase | Count | Density |
|---|
No repeated 4-word phrases found.
About the tool
What Keyword Density Checker does
Keyword Density Checker is a free word and keyword frequency analyzer for checking how often a target keyword, exact phrase, and individual terms appear in your content. Paste an article, landing page, product description, or other text to see total words, unique words, exact keyword count, keyword density, top terms, repeated 2–4 word phrases, keyword placement, lexical diversity, and a sentence estimate.
The Keyword Density Checker is most useful when you compare a target phrase with the surrounding language instead of chasing a fixed percentage. Use the report as an editing aid rather than a keyword-stuffing target. There is no universal SEO percentage that every page should reach. The useful question is whether important terminology appears naturally and whether repeated words make the copy less clear. The built-in word density checker view helps surface those patterns while keeping the analysis focused on readability, search intent, and topical coverage.
How to use
- Paste the complete copy. Analyze the text that users actually read rather than only a title or isolated paragraph.
- Enter the focus keyword. The tool counts the exact phrase case-insensitively and calculates its occurrence rate against the total word count.
- Set a minimum word length. Short utility words can be ignored to make the top-term list more informative.
- Exclude common stop words when useful. This reduces noise in the frequency table.
- Read the results as context. Repetition can reveal emphasis or awkward overuse, but there is no universal ideal density.
Built for the task
Why use Keyword Density Checker?
Focused controls, predictable output, and a workflow designed around this exact transformation.
01
Exact focus phrase count
Measure how often a chosen phrase appears in the analyzed copy.
02
Top-term frequency
See which meaningful words dominate the page.
03
Repeated phrase review
Surface frequent two-word combinations when phrase analysis is enabled.
04
Content statistics
Review total words, unique words, sentence estimate, and average sentence length.
Useful answers
Questions about Keyword Density Checker
Practical details about input, output, privacy, limits, and the best way to use this tool.
01 What is keyword density?
Keyword density measures how often a keyword or exact phrase appears relative to the total number of words in a text. It is commonly shown as a percentage and is useful for spotting unusually frequent or repetitive wording.
02 What is a good keyword density for SEO?
There is no universal ideal keyword-density percentage for SEO. Natural language, search intent, topical completeness, and readability are more useful goals than forcing a keyword to reach a fixed number.
03 Does the checker count exact phrases?
Yes. When you enter a focus keyword, the tool counts that exact phrase case-insensitively and reports its density against total words.
04 What does exclude stop words do?
It removes common short function words from the top-term list so more meaningful content words are easier to inspect. Total word count still represents the analyzed copy.
05 Can keyword density detect keyword stuffing?
It can expose unusually repetitive wording, but human review is still necessary. Repetition can be legitimate in technical copy, tables, product specifications, and other structured content.
How the Keyword Density Checker measures keyword and word density
Keyword density is a frequency ratio. If an exact phrase appears five times in a 1,000-word article, its raw density is roughly 0.5 percent. The number tells you how often the phrase occurs, but it does not tell you whether the page is useful, comprehensive, accurate, or aligned with what a searcher needs.
Frequency can still be useful during editing. If a phrase appears unexpectedly often, the copy may sound repetitive. If an important entity never appears clearly, the page may be vague. The Keyword Density Checker makes those patterns visible so an editor can decide whether the wording is natural.
Why keyword context matters more than a target percentage
Different topics require different language. A technical API page may repeat a method name dozens of times because the term is genuinely necessary. A short commercial landing page can feel awkward after repeating the same phrase only a few times. This is why fixed keyword-density targets are unreliable.
Strong content usually includes the primary concept where it helps understanding, then uses natural related terminology, specific entities, examples, and subtopics. A density checker can support that process, but it should not drive it.
How to check keyword frequency and word density
The summary shows total and unique words plus a sentence estimate. The focus-keyword section reports exact phrase count and percentage. Top terms reveal repeated individual words after minimum-length and optional stop-word filtering. Two-, three-, and four-word phrase analysis can expose recurring combinations that may be useful terminology or unnecessary repetition.
Compare the report with the page structure. Repetition in headings, navigation, product attributes, code examples, or required terminology has a different meaning from repeated sales language in adjacent paragraphs.
A practical content editing workflow
Analyze the finished draft rather than optimizing sentence by sentence. Run the Keyword Density Checker, scan the top terms, check the focus phrase, and read the most repetitive sections aloud. Replace only wording that sounds forced or redundant. Then verify titles and descriptions separately because those elements have their own length and messaging constraints.
After editing, run the checker again to confirm the page still communicates the central topic clearly. The objective is readable, complete content—not the lowest or highest possible density.
Related Trexmi SEO tools
Check search-result messaging with SERP Snippet Preview, generate document metadata with Meta Tags Generator, and add machine-readable entities with Schema Markup Generator.
Content quality references
For broader search guidance, review Google Search guidance on helpful content and the Google Search Essentials.