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March 18, 2026

# Keyword Density Checker: Common Mistakes and Best Practices

Most problems with keyword Density Checker aren't caused by not knowing what to do — they're caused by small, easy-to-miss mistakes that compound quietly over time. Here are the ones that come up most often.

Mistake 1: Chasing a specific density percentage as if it were a ranking algorithm input — modern search engines use semantic understanding, not word counting.

Mistake 2: Repeating the exact-match keyword so often that the page becomes unpleasant or robotic to actually read.

Mistake 3: Ignoring keyword variations and related entities entirely while obsessing over one exact phrase's frequency.

The fix for most of these isn't more effort, it's a regular check. A few habits that prevent them from creeping back in:
- Read the page out loud after checking density — if repetition sounds awkward to a human, it will read as over-optimized to a search engine too.
- Compare density against top-ranking competitors for calibration, not as a formula to copy exactly.

Worth reading alongside this: our guide to search intent, which covers the adjacent side of the same part of a technical SEO audit.

Keyword Density Checker catches most of this automatically, which is the easiest way to stop these mistakes from shipping in the first place.

Try Keyword Density Checker yourself

Everything in this guide runs directly in your browser — no signup, no install.

Open Keyword Density Checker →
More on keyword density
Keyword Density Checker vs. Doing It by Hand: Is It Worth Switching?
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The Keyword Density Checklist: What to Verify Before You Publish
A short, practical checklist for keyword density — the things worth checking every time, not just the first time.
Does Keyword Density Still Matter in 2026?
A quick, honest look at whether keyword density is still worth the effort, or a holdover from an older era of SEO.
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