Word frequency analysis counts how often each word appears in a text. It's the basis of TF-IDF, SEO keyword research, content auditing, and authorship attribution. This guide shows how to use it.
1. What is word frequency analysis?
Word frequency analysis splits a text into words, removes stopwords (the, a, of, and), and counts how often each remaining word appears. The result is a ranked list of the most-used meaningful terms.
2. What can you learn?
- SEO — which topics your content actually covers (vs. what you intended)
- Writing quality — overused words often signal filler or weak phrasing
- Style analysis — distinct authors use words with very different frequencies
- Plagiarism detection — copied text often has a different frequency signature
3. Stopwords vs. content words
Stopwords are words so common they tell you nothing about the topic: the, a, of, and, to, is, in, that. Removing them gives a clearer view of what a text is actually about. Most frequency tools handle this automatically.
4. How to run it
Open the Word Frequency Analyzer, paste your text, and click Analyze. The tool returns a ranked list with counts and percentages for every word.