Keyword Density Analyzer
Analyze keyword density in your text — count each word and its percentage of the total. Useful for SEO and content review.
About Keyword Density Analyzer
Keyword density measures how often each word appears in a piece of content, expressed as a percentage of the total word count. SEO writers use it to check that their target keywords appear often enough to signal topical relevance — but not so often that they trigger over-optimization penalties. As a rule of thumb, target keywords should land in the 1–3% range; values above 5% are usually keyword stuffing.
When to use it
- Auditing SEO content for keyword balance
- Spotting over-used terms in marketing copy
- Comparing two pieces' topical emphasis
- Generating input for editorial review or rewriting
How it works
Words are tokenized (letters/digits with optional internal punctuation), lowercased, and tallied. Each entry's percentage of the total word count is computed. The result is sorted by count descending. Stop-word filtering is not applied — for an SEO-focused workflow, ignore common function words (the, of, and, to, a) in the output manually.
Examples
[An article about JSON formatting. JSON is mentioned 12 times in 600 words.]
json: 2.00%
Frequently asked questions
- What's a healthy keyword density?
- Most SEO style guides aim for 1–3% on the primary keyword. Above 5% looks like stuffing and can hurt rankings; below 0.5% may signal weak topical relevance. Treat these as soft guides — modern search engines weight context and semantic relevance more than raw density.
- Should I ignore common words?
- For SEO analysis, yes — 'the', 'of', 'and' will always dominate. Mentally filter them out, or copy the output and remove them with the find-and-replace tool.
- How is this different from most-frequent-words?
- Same underlying counts; this tool emphasizes the percentage view (vs. raw count) and is framed for SEO content audits. The data is identical.