Keyword density measures how often specific words and phrases appear in a piece of text. SEO writers used to obsess over hitting a magic density target (the old guidance was 1 to 3 percent), but modern search engines treat density as one tiny signal among hundreds, and stuffing the same phrase into every paragraph hurts rankings rather than helping. The useful purpose of a keyword density tool today is editorial: scanning your own draft to see which words you are leaning on, finding opportunities to vary vocabulary, and confirming that the topic you intended to write about is actually the main subject of the piece. This tool tokenizes any text you paste, strips common English stopwords, and lists the top single words, two-word phrases (bigrams), and three-word phrases (trigrams) along with their counts and density percentages. The analysis runs in your browser, so even competitive or unpublished content stays on your machine.
Frequently asked questions
There is no specific target. Aim to use your main topic words naturally throughout the piece, including in headings and the first paragraph, without artificially repeating them. If your top word is more than five percent of total content, the piece is probably reading as repetitive to humans and to search engines.
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