Keyword Density Checker
Paste any text to see word frequency and keyword density. Identify over-optimised or under-used keywords instantly. 100% free.
Why Keyword Density Checker Matters
Keyword density signals topical focus to search engines — but it's a double-edged sword. Too low and Google may not associate your page with the target query. Too high and you risk a manual or algorithmic penalty for keyword stuffing.
Topical Clarity
Confirm your primary keyword appears often enough that Google understands the page's core topic.
Penalty Prevention
Spot over-optimised terms before publishing and rewrite naturally to stay within safe density thresholds.
- Aim for 1-2% density on your primary keyword — enough to signal relevance without triggering penalties.
- Check secondary keywords too — related terms reinforce topical authority beyond exact-match repetition.
- Use this tool after drafting, not before — write naturally first, then audit the output.
How to use Keyword Density Checker
Draft Your Content
Write your blog post, landing page, or product description naturally without worrying about density.
Paste the Text
Copy your full content and paste it into the text area above to trigger instant analysis.
Review the Density Table
Identify your primary keyword's density. Flag anything above 3% as likely over-optimised.
Rewrite & Recheck
Adjust keyword usage in your draft, paste again, and confirm density sits in the 1-2% range.
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Content QA Workflow for Keyword Balance
Add keyword density checking as a mandatory QA step before publishing any SEO page — catching over-optimisation early saves you from penalties that take months to recover from.
Recommended implementation sequence
SEO Workflow Map
Write First
Draft content for humans, not search engines. Natural writing is easier to fix than keyword-stuffed copy.
Run Density Check
Paste the full draft and review which keywords dominate the frequency table.
Balance the Top Terms
Replace repeated exact-match phrases with synonyms, pronouns, or related terms to reduce density naturally.
Final Publish Check
Re-paste the revised version to confirm all target keywords fall within the 0.5-2% safe zone.
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Frequently Asked Questions
Everything you need to know about keyword density checker.
Keyword density is the percentage of times a keyword appears in your text relative to the total word count. A density of 1-2% is generally considered optimal for SEO without risking a stuffing penalty.
Anything above 3% for a single term is a warning sign. Google's Panda algorithm targets pages where keyword repetition feels unnatural — the safest approach is to read your content aloud and trust your ear.
Yes. Google penalises unnaturally high keyword density. Modern SEO focuses on topical relevance and natural language rather than exact keyword repetition.
Focus on your primary keyword and 2-3 secondary keywords. The rest of your content should be written naturally — Google's semantic understanding means related terms contribute to rankings even without exact-match repetition.
Fonzy automatically calibrates keyword usage across all generated content — maintaining natural density without manual counting or post-publish corrections.
Yes. Fonzy's content quality layer validates keyword balance on every page before it goes live, ensuring no content ships with over-optimised or under-represented target terms.