Keyword Density Checker

What is keyword density checker?

Keyword density is the share of words in a text taken by a keyword or phrase. It is no longer a ranking target, but it is a quick way to see what your page is mostly about and to catch stuffing.

The checker shows single words, two word phrases and three word phrases so you can spot natural topics.

How to use the keyword density checker

1. Paste your page text.
2. Press Calculate.
3. Review the top terms. Remove unnatural repetition and add missing related terms.

How the keyword density checker works

Text is lowercased and split into words. Stop words are skipped for single word counts. Phrases are counted with a sliding window. Density equals the count divided by total words times 100.

Worked example

Common uses of the keyword density checker

• Reviewing a draft for repeated words.
• Spotting missing related terms and phrases.
• Checking that a target phrase appears naturally.
• Comparing your page with a competitor's text.
• Cleaning up content that sounds too repetitive.

Tips and common mistakes

Write for people. A natural density of 1 to 2 percent for the main phrase is usual, but there is no magic number.

Cover related terms and questions so the page answers the topic fully.

Background: what to know before you rely on it

In the early days of search engines, repeating a keyword many times could push a page up the results. That stopped working long ago, and modern systems judge topics, entities and meaning. Keyword stuffing can now harm a page. Density is still a useful sanity check because very high numbers usually mean unnatural writing. A better practice is to cover the topic completely, use related terms and questions that real people ask and write so that it reads naturally out loud. If your main phrase appears in the title, the first paragraph and a few headings, that is usually enough.

Private, free and fast

This tool runs entirely in your browser. What you type or choose is not uploaded to a server and is not saved after you close the page, which keeps it fast and private. It is free to use as often as you like. See more in all seo tools, or browse the full list of tools.

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