Keyword Density Checker is a free online SEO tool that analyzes keyword frequency and density in your text.
How to use Keyword Density Checker?
Enter or paste the text you want to analyze.
The text is automatically analyzed as you type.
Review the frequency, density, and ranking for each keyword.
Frequently asked questions about Keyword Density Checker
What is the ideal keyword density?
Generally 1-2% is recommended as a natural level. Above 3% may be considered keyword stuffing, so be careful.
Can I optimize SEO with keyword density alone?
No. Keyword density is just one factor. You should also consider content quality, backlinks, user experience, page speed, and other factors.
At what point does repeating a keyword count as over-optimization?
Google publishes no threshold, and the real test is not a count but whether the sentences read naturally. If a human notices the same phrase landing over and over, that itself is the signal. As a working rule, read the text aloud once density passes about 3%. Using synonyms and related concepts instead helps search engines pin down the topic more accurately while keeping the prose from sounding forced.
Does putting the keyword in the title and first paragraph really matter more?
Yes — position carries different weight. A keyword in the title tag, the H1 and the first hundred words sits where the page declares its subject, so search engines give it more importance. More decisively, the title is what people actually read in the results, and matching their query there lifts the click-through rate noticeably. Repeating the term near the bottom just to hit a density figure contributes almost nothing to either ranking or clicks.
How to get the most out of Keyword Density Checker?
Aim for 1-2% density on your main keyword; past 3% it starts to read as over-optimisation.
Ignore stop words like "the", "of" and "and" — they always top the list and mean nothing.
One mention in the title, one in an H2 and one in the opening paragraph beats stuffing the body.