Enter any page URL and our keyword density checker extracts its visible text and ranks the most frequent 1, 2 and 3-word phrases with density % — stop-words filtered out so your real keywords (and any keyword stuffing) surface.
What is a keyword density checker?
A keyword density checker is a free tool that loads any web page, extracts its visible text, and shows how often each word and phrase appears as a density percentage. It's a keyword density analyzer and keyword density calculator in one — paste a URL to check keyword density in seconds.
Check keyword density on any page
This keyword density checker tool ranks the top 1, 2 and 3-word phrases with stop-words removed, so the terms that actually matter rise to the top. Use it as a seo keyword density tool or online keyword density checker to confirm a page emphasizes the keyword you're targeting.
Catch keyword stuffing
As a keyword stuffing checker, it makes over-optimization obvious: if a single phrase sits far above everything else (often above ~3–4%), that's a sign of keyword stuffing, which can read as spammy and hurt rankings. Check keyword stuffing by scanning for outlier densities and toning them down.
What is a good keyword density?
There's no magic number, but a natural ~0.5–2.5% for your primary keyword is a common guideline. Write for readers first and use this seo density checker to confirm your main terms appear without dominating the copy.
How to use the keyword density checker
Paste a page URL into the keyword density checker above.
Click “Check” — we extract the visible text and count phrases.
Review the top 1, 2 and 3-word phrases and their density %.
Adjust copy so target keywords appear naturally — and trim any stuffing.
A keyword density checker is a free tool that extracts a page's visible text and shows the most frequent words and phrases as a density percentage (count ÷ total words). It's also called a keyword density analyzer or keyword density calculator, and it helps you see which terms a page actually emphasizes.
Paste the page URL into the keyword density checker tool above and run it. We pull the visible text, filter stop-words, and rank the top 1, 2 and 3-word phrases with their density % — so you can check keyword density on any page in seconds, no signup.
There's no exact target, but most SEOs aim for a natural ~0.5–2.5% for a primary keyword. The goal is relevance, not a number — write for readers first. Use this seo keyword density tool to confirm your main terms appear, without overdoing any single phrase.
Yes. As a keyword stuffing checker, it surfaces phrases with an unusually high density. If one term sits well above the rest (often >3–4%), that's a sign of keyword stuffing — which can read as spammy and hurt rankings. Check keyword stuffing by scanning for outlier densities.
Yes — it reports unigrams, bigrams and trigrams (1, 2 and 3-word phrases). Multi-word phrases are often your real target keywords, so this article keyword density checker ranks all three so you see the full picture, not just single words.
Completely free and online, with no account required. It's part of WebsiteAuditTools' free suite of on-page SEO checkers — a genuinely free keyword density checker tool.