09/26/2026
Keyword density is a simple math idea. It shows how often a keyword appears in your text. Writers and SEOs use it to check balance. Too much looks spammy and too little looks off topic.
This guide explains the term in plain words. You will learn how to work out the number yourself. You will also learn what range works best in real content. No math degree is needed.
Keyword density is the share of your words that match a keyword. If a 200 word page uses the phrase five times the density is low. If it uses the phrase forty times the density is high. It is measured as a percent of total words.
Search engines once leaned on this number a lot. Today they read meaning and context instead. Density is still a useful warning light. It tells you when a page feels forced or thin.
Count how many times the keyword appears in the text. Count the total words in the text. Divide the keyword count by the total word count. Multiply the result by 100.
Here is a simple example. A 500 word article uses the keyword ten times. Ten divided by 500 is 0.02. Times 100 gives two percent. That is the density for that page.
Count exact phrase matches for phrases. Count single words for single word keywords. Skip words in menus and footers. Only the main article text matters for this check.
Most guides suggest one to two percent. That means one or two uses per 100 words. It keeps the topic clear without sounding forced. Readers notice when a phrase repeats too much.
There is no magic number that ranks a page. Google has never named an ideal density. Natural writing beats any fixed target. Use the keyword where it fits and skip it where it does not.
Short pages need care. A 100 word blurb with three uses hits three percent fast. Long guides can use the keyword more times safely. Always read the text out loud as a final check.
Manual counting takes time on long pages. A free tool does it in seconds. It also finds words you repeat without noticing. That is hard to spot on your own.
Our keyword density checker scans your full text at once. It lists every repeated word and phrase. You see the exact percent next to each one. Paste your draft and review the results.
Keyword stuffing means cramming the phrase in too often. It reads badly and can trigger a penalty. Cut repeat uses first. Replace some with pronouns like it or they.
Use close variants instead of the same phrase. If your keyword is running shoes try jogging shoes or trainers. Search engines link these variants together. Your text sounds human again.
Add real detail instead of filler. Examples and steps give the keyword natural homes. Thin pages stuff more because they have less to say. More substance solves the density problem on its own.
A very low number may mean the page lacks focus. Add the keyword to the title first. Use it in the first 100 words. Add it to one subheading where it fits.
Our keywords suggestion tool finds related phrases to support your topic. Related terms tell search engines what the page covers. They let you stay on topic without repeating one phrase.
Long guides can repeat the keyword many times. The percent stays low because the word count is high. This is fine as long as each use feels natural. Never pad a long post just to add uses.
Break long posts into clear sections. Each section can carry the keyword once. Subheadings give it natural homes. Readers scan headings first so this also helps them.
What a good keyword density looks like in practice
Around one to two percent works for most pages. Natural use matters more than the exact figure. Read the page aloud to judge it.
Whether keyword stuffing still hurts rankings
Yes it does hurt. Forced repetition reads poorly and can draw a penalty. Cut extra uses and rewrite stiff lines.
Whether LSI keywords change the density target
Related terms support your topic without raising density. They help search engines grasp the subject. Mix them in instead of repeating one phrase.
How often to check density on a site
Check each new article before you publish it. Recheck old pages when you update them. One pass per draft is enough.
Whether density matters for single word or phrase keywords
Both can be measured. Phrases need exact match counting. Single words are simpler to track.
Keyword density is a guide not a rule. Write for the reader first. Keep the keyword near one to two percent. Check your work with a tool before you publish. Explore our more SEO guides for the next step.
