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The Keyword Density Checker on seochecker.tools helps you analyze the frequency and ratio of keywords used in any web page or content. It shows how often a keyword or phrase appears in proportion to the total word count — a critical factor in on-page SEO.
Whether you're optimizing blog posts, landing pages, or service content, this tool helps ensure:
You're using target keywords effectively
You're not overusing (keyword stuffing) or underusing important keywords
Your content maintains natural readability for both search engines and users
Search engines use keyword density to understand content relevance. While there’s no fixed ideal density, maintaining a natural keyword balance helps improve:
Topic authority
Relevance to search queries
User experience and readability
Using our Keyword Density Checker ensures your content doesn’t get penalized for over-optimization and maintains proper keyword distribution.
Calculates 1-word, 2-word, and 3-word phrases
Provides total word count and keyword count
Displays keyword percentage frequency
Works with URL input or direct content paste
Free and fully responsive
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Q1. What is keyword density?
Keyword density refers to how often a keyword appears in your content, expressed as a percentage of the total word count.
Q2. What is the ideal keyword density for SEO?
While there is no exact rule, keeping your main keyword between 1%–2% is generally considered safe and effective.
Q3. Can I paste my content directly instead of using a URL?
Yes! You can either paste your content or enter a URL to check the keyword density.
Q4. Does this tool support long-tail keywords?
Yes, it detects and analyzes 2-word and 3-word keyword phrases, which are essential for long-tail SEO.
Q5. Is this tool free to use?
Absolutely. The Keyword Density Checker is 100% free at seochecker.tools, with no login required.
Optimize blog posts for better search visibility
Avoid keyword stuffing in product descriptions
Analyze competitor pages’ keyword focus
Improve SEO content writing for clients
Maintain content readability and SEO balance
