Paste your content, enter a target keyword, and instantly see your keyword density percentage, prominence score, and tailored SEO suggestions — all client-side, no data ever leaves your browser.

How to Use the Keyword Density Checker

1. Paste your content — copy the full text of your blog post, landing page, or any web copy into the content field.
2. Enter your target keyword — type the exact keyword or phrase you want to optimise for (e.g. content marketing strategy).
3. Click Analyse — the tool instantly calculates density, counts occurrences, scores keyword prominence, and generates suggestions.
4. Review your results — use the gauge, prominence score, and suggestion list to refine your copy before publishing.

What Is Keyword Density and Why Does It Matter?

Keyword density is the percentage of times a target keyword appears in your text relative to the total word count. A density of 1% means the keyword appears once for every 100 words. While Google has moved far beyond simple keyword matching, keyword density still serves as a useful sanity check to ensure:

• Your content clearly signals topical relevance to search engines.
• You are not inadvertently under-optimising (keyword barely mentioned) or over-optimising (keyword stuffing).
• Natural language patterns are maintained for a better reader experience.

What Is Keyword Prominence?

Keyword prominence measures where your keyword first appears in the content. Search engines give more weight to keywords that appear early — in the first paragraph, in headings, or in the opening sentence. A prominence score of “Excellent” means your keyword is mentioned in the top 10% of your text, which is generally the strongest signal you can give a search engine about what your page is about.

What Is the Ideal Keyword Density for SEO?

There is no magic number, but the widely accepted safe range is 0.5% to 2.5%. Content below 0.5% may fail to signal topical relevance clearly; content above 3–4% risks looking spammy to both readers and algorithms. The tool colour-codes the gauge — green for optimal, orange for slightly high, red for over-density — so you can course-correct at a glance.

Frequently Asked Questions

Does Google still use keyword density as a ranking factor?

Not in a rigid, formulaic way. Google’s algorithms are far more sophisticated, using natural-language understanding and semantic signals. That said, keyword density is still a useful proxy: if your content never mentions the target keyword, it is unlikely to rank for it. Keep density natural and focus on covering the topic comprehensively rather than hitting a specific percentage.

What is keyword stuffing and why should I avoid it?

Keyword stuffing is the practice of overloading a page with a target keyword at an unnatural frequency — for example, repeating “best running shoes” 20 times in a 300-word article. Google’s spam policies explicitly penalise this, and it makes content difficult to read. A density above 4% is a common warning sign; the tool will flag it in red.

Should I optimise for one keyword or multiple?

A single page typically targets one primary keyword and several semantically related secondary keywords. Use this tool to check your primary keyword density, then manually review that you have naturally incorporated related terms and synonyms throughout the text to support topical authority.

How is keyword prominence calculated?

This tool calculates prominence as the character position of the keyword’s first occurrence divided by the total character length of the text, expressed as a percentage. A first occurrence at position 5% through the text scores “Excellent”; first occurrence at 60% scores “Poor.” Move your keyword into the opening paragraph for best results.

Does the tool support multi-word phrases?

Yes. You can enter a single word or a multi-word phrase (e.g. digital marketing agency). The tool performs whole-word, case-insensitive matching so partial matches are not counted, keeping results accurate.

Check your keyword optimisation alongside other on-page elements with our Meta Tag Generator, preview how your page looks in search results with the SERP Preview Tool, or review the complete on-page picture with the Readability Score Checker.