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Aback Audit

Free tool, runs in your browser

Keyword Density Checker for words and phrases

Paste your text to see which words and two or three word phrases it uses most, how dense your target keyword is, and whether it appears where it should.

Check keyword density

Paste your text and, if you like, a target keyword. The tables update as you type.

    Why use the Keyword Density Checker

    Phrases, not only words

    Tables for single words, two word and three word phrases, so you see the topics, not just the vocabulary.

    Stop words filtered

    Words such as the, and or with are left out by default, so the list shows what the text is about.

    Target keyword check

    Count, density and placement of your keyword: in the first paragraph, in the first 100 words, and a warning when it looks stuffed.

    Private

    Your text never leaves your browser.

    When to use the Keyword Density Checker

    Draft review

    Check that the main topic of a draft is actually its main topic.

    Over optimisation

    Find a keyword repeated so often that it reads as stuffing.

    Competitor pages

    Paste the text of a page that ranks and see which phrases it covers.

    Product copy

    Make sure the product name and type appear naturally.

    Translations

    Check that a translated page still uses the terms people search for.

    Editing

    Spot words you overuse and vary them.

    Understanding Keyword Density

    How to use the checker

    1. 1Text. Paste the body text of the page, without menus and footers.
    2. 2Keyword. Optionally enter the phrase the page should rank for.
    3. 3Phrase length. Switch between single words and two or three word phrases.
    4. 4Read the result. The top phrases should describe the topic. If they do not, the text may not be about what you think.

    What density means

    Density is the number of times a word or phrase appears, divided by the number of words in the text, as a percentage. A word used 10 times in 1,000 words has a density of 1 percent.

    There is no ideal density. Search engines understand synonyms and related terms, and repeating a keyword does not help. The checker warns above 3 percent, where text usually starts to read unnaturally.

    What to look for instead

    Use the keyword in the title, the H1 and early in the text, then write naturally. Cover the related questions and terms people expect on the topic. The phrase tables help you see whether they are there.

    Privacy

    The checker runs entirely in your browser. Your text is kept in this browser only, so a reload does not lose it.

    Related tools and guides

    Word CounterPaste your text to count words, characters, sentences and paragraphs, see the reading time, and check whether it fits a title, a meta description or a social post.SERP Preview ToolType a title and a description and see the search result on desktop and on a phone. The tool measures the text in pixels, so you know exactly where Google cuts it.Query Fan-Out PredictorEnter a prompt the way someone would ask an assistant. The tool predicts the searches an AI answer engine may run to answer it, grouped by intent, so you can see what your content needs to cover.Meta Tag GeneratorWrite the head of a page with a live preview of the search result and the social card. Copy the tags into your template when they look right.SEO and AI Search ChecklistWork through the technical, on-page, content and AI search basics one item at a time. Each item says why it matters and links the tool that checks it. Your progress is saved in this browser.Heading CheckerHeadings are the outline of a page for screen readers, search engines and AI assistants. See the outline of any page and fix skipped levels, empty headings and missing or duplicate H1s.

    Frequently asked questions

    What is a good keyword density?

    There is no target. Most well written pages land between 0.5 and 2 percent for their main keyword without trying. Above 3 percent the text usually reads as stuffed.

    Is keyword density a ranking factor?

    No. Search engines have not used it as a signal for many years. It is useful as an editing check, not as an optimisation target.

    What are stop words?

    Very common words such as the, a, and, of or to. They are filtered by default so the list shows meaningful words.

    How are phrases counted?

    Every run of two or three words in a row is counted, within a sentence. With stop words filtered, phrases that start or end with a stop word are left out.

    Does it work in other languages?

    The counting works for any language that separates words with spaces. The stop word list is English.

    Can I check a live url?

    Paste the text of the page. For the technical side of a live page, run the SEO checker.

    Is my text stored?

    Only in your browser. It is never sent to Aback.

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