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What Is a Keyword Density Checker?
A keyword density checker calculates the frequency of words and phrases that appear in a page. You can either type in a URL of the web page you want to analyze or copy and paste a body of text to check keyword density.
Our tool displays the total count and density for words and phrases found in the document. You can check single keywords and phrases up to 4 words long by selecting the appropriate tab in the result table.
These insights indicate how well-aligned your content is to your primary keywords and highlight issues like keyword stuffing. The keyword density checker also shows you a summary of the page by measuring the total word count and unique keywords in a page.
Why Check Your Keyword Density?
You should check your keyword density to ensure your content is targeting important queries optimally. If the dominant keyword in your content doesn’t match the topic you’re optimizing for, you might have an alignment problem.
Similarly, you need to be mindful of content plagued with keyword overuse.
Our keyword density checker helps you determine whether a page suffers from unusually high keyword density, which could be one factor why it’s underperforming. Use this tool to flag repeating patterns, distribute keyword usage more naturally, and optimize based on real data.
What Can Our Keyword Density Checker Do?
Our keyword density checker is perfect for analyzing keyword usage patterns to understand how your content is optimized for the topic.
- Single keywords and phrase frequency: Find the density of single-, one-, two-, three-, and four-word phrases so you can spot overused and underused terms.
- Stop words and noise: Focus on meaningful terms that are central to the topic and filter out common stop words.
- Keyword optimization: Evaluate your keyword optimization with a checklist to ensure you’re on track.
How to Use Your Keyword Density Report?
This keyword density report allows you to improve content in several important ways:
- Fix keyword stuffing: Reduce excessive keyword usage that could trigger spam signals and hurt rankings.
- Improve primary keyword focus: Ensure that keywords with high density are the most topically relevant to your page.
- Optimize for secondary and long-tail terms: Discover underused secondary and long-tail phrases and add them for enhanced topical depth.
- Improve readability and flow: Find repetitive phrases and replace them with natural wording to maintain engagement and improve flow.
- Track improvements over time: Re-run the check after revisions to see how your keyword density and flow have improved.
Who Should Use the Keyword Density Checker?
The keyword density checker helps beginner and intermediate SEOs alike:
- Beginner freelancers and small businesses: The tool offers great educational value for beginners. Familiarize yourself with keyword density reports and understand the common issues you’ll run into with under- or over-optimized content. Practice fixing keyword density imbalances to create optimized content for a given topic.
- Intermediate SEOs: Spot keyword density issues in long pieces of text, fix spammy keyword patterns, and improve optimization to improve the rankings. The tool helps SEOs scan live pages on their own or their client’s websites to drive real results.
- Content writers and editors: Use the report as a checklist to polish drafts, avoid repetitive wording, and ensure every piece supports its target keyword.
Why You Should Use Our Free Keyword Density Tool
You should use our free keyword density tool because it gives you a simple breakdown of the keywords used in a text, along with their frequencies.
The keyword density report shows single keywords as well as phrases up to 4 words long, organized into distinct tabs for easy viewing.
Review the raw count and density % for every keyword to find if you’re overusing certain keywords and identify secondary terms that might need improved targeting.
You can run up to 3 checks per day. Our keyword density tool accepts direct links and accurately scans long, complex pages.
Wish to scan a draft text instead of a live page? Simply copy and paste your text, and the tool will analyze keyword densities in your draft.
Exploding Topics Pro is trusted by 1,200+ teams worldwide.
How We Find Trends
We track topics across the internet to identify under-the-radar trends before they go mainstream.
Analyze
Our trend identification process begins with a comprehensive data collection from a variety of online sources.
- Social media platforms
- Search engines
- Online forums and communities
- News articles and blogs
- E-commerce websites
- Podcasts
Identify
Our proprietary machine learning models are designed to detect the absolute earliest signs of an emerging trend.
- Analyze historical data to identify growth patterns
- Predict future trends based on current data trajectories
- Detect sudden spikes in interest or activity around specific topics
Curate
While our algorithms are powerful, human expertise is crucial for contextual understanding, ensuring quality topics.
- Review the top-scoring trends identified by our models
- Validate the authenticity and relevance of these trends
- Filter out fads (movies, TV shows, celebrity gossip, etc.)
- Provide qualitative insights to complement quantitative data
Get Exclusive Access to Emerging Trends
Stay ahead of the competition with a 7-day free trial of Exploding Topics Pro.
1.1M+ trends in our growing database. Pro plans starts at $1.29/day.
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FAQ
Everything you need to know about using our features and getting the most out of them.
Is the keyword density checker really free to use?
Yes, our keyword density checker is free to use with up to 3 scans per day. You can check the counter next to the button to see how many uses you have left for the day.
To unlock additional details like keyword volume, difficulty, and long-tail variations, you can sign up for a free Semrush trial and access advanced keyword research and on-page analysis features.
How does the keyword density checker work?
The keyword density checker extracts the complete text from a page, breaks it up into individual word units and phrases, and counts the number of repetitions for each word. It then calculates the density of a keyword by dividing the frequency of each word by the total text length.
What kind of information will I see in my keyword density report?
Your report includes keyword frequency and density for single words and phrases. The 4 tabs organize results by phrase length, from single words to phrases of up to four words.
The scan also gives you the total word count of your text and the unique keywords it contains. If you’re analyzing text with a URL, the report will also give you a snapshot of Semrush domain-level metrics like Authority Score, total referring domains, and total ranking keywords.
How can I use this tool to improve my SEO?
You can use this tool to improve your SEO by removing keyword stuffing, adding missing primary and secondary terms, and improving readability with better flow and reduced repetitions.
Can I analyze more pages and track changes over time?
The free tool is ideal for quick checks.
For full SEO projects involving multiple pages and long-term monitoring, upgrade to the paid version of Semrush to run on-page SEO checks across your entire website and track rankings and SEO performance over time.


