Free SEO Tool

Keyword Density Analyzer

Run a lightning-fast keyword density check on any content. Count 1-, 2-, and 3-word phrases, spot over-optimization, and balance your WordPress content for both search engines and readers.

Real-Time Analysis
Multi-Word Phrases
Export Results

Why Keyword Density Analysis Matters

Understanding keyword density helps you create content that ranks well while remaining natural and engaging for your readers.

Optimize Naturally

Find the sweet spot between keyword usage and natural, engaging content that reads well for humans.

Avoid Over-Optimization

Prevent keyword stuffing penalties by keeping density under 5% for any term in your content.

Find Missing Keywords

Discover related terms and LSI keywords you should include for better rankings and topic coverage.

Analyze Your Content

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Analysis Results

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How to Use This Tool

Master keyword density analysis to create perfectly optimized content

Understanding Keyword Density

1-3%: Natural, optimal range for most keywords
3-5%: Acceptable for very relevant terms
5%+: Risk of over-optimization penalty
Focus on topic coverage, not just density
Include semantic variations naturally

Best Practices

Write for humans first, search engines second
Use keywords in headers and first paragraph
Include LSI keywords and synonyms
Check competitor content for keyword ideas
Update content based on search intent

Pro Tip

Modern SEO focuses on semantic relevance and topic coverage rather than exact keyword matches. Use this tool to ensure natural keyword distribution while covering related concepts thoroughly.

Keyword Density Best Practices for WordPress SEO

Learn how to optimize your content for modern search engines while maintaining natural, engaging writing

WordPress Content Optimization

While keyword density was once a major ranking factor, modern SEO focuses on comprehensive topic coverage and search intent. This tool helps you ensure you're covering your topic thoroughly without over-optimizing.

For WordPress sites using RepublishAI's WordPress autoblogging plugin, keyword optimization happens automatically. The AI understands context and naturally includes relevant terms without keyword stuffing.

Green Zone (1-3%)

Perfect keyword density. Your content reads naturally while still targeting important search terms effectively.

Yellow Zone (3-5%)

Borderline density. Review your content to ensure keywords flow naturally and aren't forced into sentences.

Red Zone (5%+)

Over-optimized. Rewrite to reduce repetition and include more keyword variations and synonyms.

Create Perfectly Optimized Content Automatically

Stop worrying about keyword density. Let AI write naturally optimized content that ranks without any manual optimization needed.

Our AI Agents understand search intent and semantic relevance, creating content that pleases both readers and search engines.