Keyword Density & Word Frequency Analyzer
Analyze word occurrences, keyword frequency density, and stop-word filtering.
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 Keyword Density & Word Frequency Analyzer
Input your article, essay, or blog draft into the workspace.
Toggle English stop-word filtering or adjust minimum word length.
Review the ranked frequency chart and export statistics to CSV.
Frequently Asked Questions
What is an ideal keyword density for SEO content?
Most SEO professionals target a primary keyword density between 1% and 2.5% to avoid keyword stuffing penalties.
What are stop words?
Stop words are common grammatical words (like 'the', 'is', 'and', 'at') filtered out so that meaningful topical keywords can be analyzed.
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