Keyword Frequency Counter
Analyse keyword frequency and density in your text. Useful for SEO content optimisation and academic writing analysis.
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About Keyword Frequency Counter
See Exactly Which Words Dominate Your Content
You've written a blog post, a product description, or a landing page. It reads well to you, but does it read well to search engines? The keyword frequency counter analyses your text and tells you exactly how many times each word and phrase appears, what percentage of the total content each keyword represents, and whether your target terms are showing up enough - or too much.
SEO professionals call this keyword density, and while it's no longer the blunt instrument it was in 2010, it still matters. Google's algorithms have moved far beyond simple keyword counting, but they haven't abandoned word frequency as a relevance signal entirely. A page about "best running shoes" that never uses the phrase "running shoes" is going to struggle to rank for it. Conversely, a page that crams "running shoes" into every other sentence gets flagged as over-optimised. The sweet spot lives somewhere in between, and this keyword frequency counter helps you find it.
How the Analysis Works
Paste your text into the tool and it immediately breaks down word frequency at multiple levels. Single-word frequency shows you which individual words appear most often - useful for spotting filler words or confirming that your primary topic terms are present. Two-word and three-word phrase frequency reveals the multi-word combinations that matter for SEO, since people search in phrases, not individual words.
The tool strips out common stop words (the, a, an, is, are, etc.) so your analysis focuses on meaningful content words rather than grammatical glue. It calculates density as a percentage of total words, gives you raw counts, and ranks everything from most to least frequent so the dominant themes of your content are immediately obvious.
Why Content Writers Need This
Writing naturally while maintaining keyword relevance is a genuine skill, and this keyword frequency counter serves as a feedback mechanism. Write your draft focused purely on quality and readability. Then run it through the analyser. If your target keyword appears at 1-2% density with natural variation in surrounding phrases, you're in good shape. If it's at 0.3%, you probably need to weave it in more deliberately. If it's at 5%+, you're overdoing it and risking a penalty.
Content agencies managing multiple writers use keyword frequency analysis as a quality control step. Different writers have different habits - some naturally repeat terms, others rarely reuse a word. Standardising keyword density across a team's output ensures consistent SEO performance regardless of who wrote the piece.
Copywriters optimising product descriptions for e-commerce benefit particularly from this. A product page has limited space, and every sentence needs to count. Running a keyword frequency check on your product copy reveals whether you've covered all the terms shoppers search for (colour, size, material, use case) or whether you've accidentally focused on features while neglecting the search terms that bring people to your page.
Competitive Analysis Angle
Here's a technique experienced SEOs use: copy the text from a competitor's top-ranking page, paste it into the keyword frequency counter, and see exactly which terms they're emphasising. This isn't about copying - it's about understanding what topical coverage looks like for content that ranks well. If the top three results for your target query all mention certain related terms frequently, that's a signal about what comprehensiveness looks like for that topic.
You can also compare your own content against competitors side by side. Where are they using terms you haven't included? Where are you over-indexing on a phrase that competitors barely mention? These gaps and overlaps inform your revision strategy far more effectively than guesswork.
Beyond SEO - Academic and Professional Uses
Keyword frequency analysis isn't exclusively an SEO activity. Academic researchers use word frequency analysis on survey responses, interview transcripts, and historical documents to identify themes and patterns. Journalists analysing political speeches look at word frequency to understand messaging emphasis. Brand managers audit their own communications to ensure key messages are coming through consistently.
Students working on essays can use the keyword frequency counter to check whether they've actually addressed all the terms in an essay prompt. If the question asks about "economic impact" and your essay barely mentions those words, that's a red flag worth catching before submission.
This keyword frequency counter processes everything right in your browser. Your content stays on your device - nothing gets sent to a server. Paste, analyse, optimise, and move on with the confidence that your text hits the marks it needs to hit.