SEO Keyword Density & N-Gram Frequency Analyzer
Analyze single words, bigrams, and trigrams with keyword stuffing warnings.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. No data is ever transmitted across the network.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
How to Use SEO Keyword Density & N-Gram Frequency Analyzer
Paste your article copy, blog draft, or webpage content into the editor.
Toggle 1-word, 2-word, or 3-word phrase frequency analysis and stop-word filtering.
Check keyword density percentages and export the full frequency table to CSV.
Frequently Asked Questions
What is an ideal keyword density for SEO?
A keyword density of 1% to 2.5% is generally considered optimal. Anything above 3.5% may risk keyword stuffing penalties.
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