What is a good keyword density?
A healthy keyword density is typically between 0.5% and 4%. Above 4% risks being flagged as keyword stuffing; below 0.5% may signal under-optimization for that term.
Does keyword density still matter for modern SEO?
Exact-match density matters less than it used to, but extreme over-repetition still triggers spam signals, and very low usage of your target term can weaken topical relevance.
Is the keyword density checker free?
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