Word Frequency Counter

Keyword density is the percentage of times a keyword appears in your text relative to the total word count. Formula: (Keyword Count ÷ Total Words) × 100. For SEO, aim for 1–2% density for your primary keyword. Higher than 3–4% may be flagged as keyword stuffing.

Stop words are common words with little semantic meaning: the, a, an, is, are, in, on, at, to, for, of, with, etc. Search engines often ignore them. Removing stop words in frequency analysis highlights meaningful content words and keyword patterns.

Compare your word frequency to top-ranking competitor pages for your target keyword. If competitors use 'mortgage calculator' 15+ times and you use it 3 times, your content may be seen as less relevant. Use frequency analysis to ensure adequate keyword coverage without stuffing.

TF-IDF (Term Frequency–Inverse Document Frequency) is a scoring method used by search engines to measure how important a word is to a document relative to a corpus. High TF-IDF means the word is frequent in this document but rare across all documents — suggesting it's a key topic.