Free Keyword Density Checker — Analyze Any Text

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✏️ Your Content

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📈 Keyword Frequency

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Paste your text and click Analyse

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What is Keyword Density?

Keyword density is the percentage of times a specific keyword or phrase appears in a piece of content relative to the total number of words. It is one of the original on-page SEO signals and remains relevant for understanding how focused your content is on a particular topic.

The formula is simple: Keyword Density = (Number of times keyword appears ÷ Total word count) × 100. For example, if your article is 1,000 words long and your target keyword appears 15 times, the keyword density is 1.5%.

Most SEO professionals recommend keeping keyword density between 1% and 3%. Going above 5% risks keyword stuffing penalties from Google, while staying below 0.5% may mean your content is not focused enough on the topic you want to rank for.

🎯 Ideal Keyword Density

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Over 5%

Keyword stuffing — may trigger Google penalty

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3% – 5%

High — borderline, proceed with caution

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1% – 3%

Ideal range — well-optimised content

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Under 1%

Low — keyword may not rank prominently

💡 Why Keyword Density Matters

🔍Helps Google understand your topic. Consistent keyword usage signals what your page is about, helping search engines categorise and rank it correctly.

⚡Avoids over-optimisation penalties. Google's Panda and Penguin algorithms specifically target keyword stuffing. Keeping density under 3% keeps you safe.

🌐Improves natural readability. Well-balanced keyword use reads naturally to visitors, reducing bounce rate and increasing dwell time — both positive ranking signals.

📈Supports LSI and semantic SEO. Checking density for related phrases helps you build topically comprehensive content beyond just the main keyword.

How to Use the Keyword Density Checker

Paste Your Content

Copy your blog post, article, product description, or any text and paste it into the text box above.

Choose Settings

Select whether to remove stop words, set minimum word length, and choose between single words or multi-word phrases.

Click Analyse

Hit the Analyse button (or press Ctrl+Enter) to see keyword frequency, density percentages and SEO recommendations.

Act on Results

Review over-used keywords (red badges), check the SEO analysis panel, and adjust your content until density is in the green zone.

Keyword Density Checker

📈 Keyword Frequency

🎨 Keyword Highlighting Top 3 keywords highlighted in different colours

🎯 SEO Analysis