Keyword Density Checker
Analyze keyword frequency and optimize your content for SEO
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Enter text to analyze keyword density and frequency
Enter text to see keyword analysis
Analyze keyword frequency and optimize your content for SEO
Enter text to analyze keyword density and frequency
Enter text to see keyword analysis
A keyword density checker analyzes the frequency of specific words and phrases within your content. It calculates what percentage of your total word count each keyword represents, helping you determine whether your content is properly optimized for target search terms.
Keyword density is a fundamental on-page SEO metric. It helps you ensure your content signals relevance to search engines without crossing into keyword stuffing, which can trigger penalties and hurt your rankings.
Search engines use keyword frequency as one signal to understand what a page is about. If your target keyword appears too rarely, Google may not associate your page with that topic. If it appears too often, the content reads unnaturally and risks being flagged as spam.
The ideal keyword density typically falls between 1% and 3% for primary keywords, though there is no fixed rule. What matters more is that your content reads naturally while clearly covering the target topic. Semantic variations and related terms matter as much as exact-match keyword frequency.
Paste your content into the text area and the tool instantly analyzes word frequency across your entire text. It shows the most common single words, two-word phrases, and three-word phrases ranked by frequency.
Use the results to identify whether your primary keyword appears enough to signal relevance, whether any terms are overused, and which related terms naturally appear in your content. This helps you refine on-page SEO without guesswork.
Focus on writing naturally first, then check density. Place your primary keyword in the title, first paragraph, and at least one subheading. Use semantic variations and related terms throughout the body.
Avoid forcing exact-match keywords where they don't fit. Modern search engines understand synonyms and context, so "best running shoes" and "top shoes for running" both signal the same topic. Check density as a sanity check, not a target to hit exactly.
There is no single ideal number, but most SEO professionals recommend keeping primary keyword density between 1% and 3%. Focus on natural readability over hitting a specific percentage.
Yes. Keyword stuffing, where a keyword is used excessively, can trigger search engine penalties. Google's algorithms are designed to detect and demote content that prioritizes keyword frequency over quality.
Yes. Long-tail keywords and multi-word phrases often have less competition and higher conversion rates. Checking density for two-word and three-word phrases helps ensure you're covering specific topics thoroughly.
Run a density check after drafting content and before publishing. It's also useful when updating older content to ensure it still targets the right terms effectively.