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Free Keyword Density Checker Online

Analyze single-word, bigram, and trigram density, focus on a target keyword, and get SEO recommendations on stuffing risk, placement, and lexical diversity.

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Keyword Density Table

Content Stats

SEO Recommendations

    Guide

    What is keyword density?

    Keyword density is the percentage of your total words that a given keyword represents. If a keyword appears 8 times in a 400-word article, its density is 2%. This tool measures density for single words, two-word phrases (bigrams), and three-word phrases (trigrams), and lets you focus on a target keyword to see how prominent it is.

    Is there an ideal density?

    There is no magic number, and chasing one is a mistake. Modern search engines understand topics through meaning and context, not raw repetition, so a natural density (often loosely cited around 1 to 2%) is simply a by-product of writing thoroughly about a subject. Write for the reader first; if the keyword reads naturally and the topic is well covered, the density takes care of itself.

    Avoiding keyword stuffing

    Keyword stuffing is cramming a keyword in unnaturally to manipulate rankings. It reads badly, and search engines actively penalise it. Warning signs are a single phrase repeated far more than any related term, sentences that feel awkward, and lists of near-identical keywords. The checker flags stuffing risk so you can dial it back before it hurts you.

    How to use density today

    Rather than hitting a target percentage, use this tool diagnostically: confirm your main topic actually appears in the copy, spot accidental over-repetition, and check that you are using related terms and synonyms (lexical diversity) rather than the same phrase over and over. Good placement (title, first paragraph, a heading) matters far more than sheer count.

    Last updated: July 2026

    Frequently Asked Questions

    What is keyword density?
    Keyword density is the percentage of times a keyword appears in your content relative to the total word count. It helps ensure your content is relevant to target keywords without over-optimizing.
    What is the ideal keyword density for SEO?
    Most SEO experts recommend keeping primary keyword density between 0.5% and 2.5%. Above 4% risks being flagged as keyword stuffing. Natural, reader-focused writing typically lands in the optimal range.
    What is keyword stuffing?
    Keyword stuffing is the practice of excessively repeating a keyword in content to manipulate search rankings. Google penalizes this practice and it also degrades user experience.
    Should I check 2-word and 3-word phrases?
    Yes. Phrase density (bigrams and trigrams) is as important as single-word density. Long-tail keyword phrases often have lower competition and more specific search intent.
    Does keyword density still matter for SEO?
    It matters as a signal, but not as a direct ranking factor. Google's algorithms understand context and semantics. Focus on natural keyword usage, related terms, and overall topic coverage rather than hitting an exact density number.