- # Keyword Density Checker — Free AI Tool for Agencies | Lindo.ai [New Lindo MCP is here — Build and run client sites from any AI agent Try it](https://app.lindo.ai/sign-in) [![Lindo.ai](https://app.lindo.ai/ag/src/full-logo-white.png)](https://lindo.ai/) Resources - [Pricing](https://lindo.ai/pricing) [](https://github.com/lindoai)[Contact sales](mailto:sales@lindo.ai)[Start building](https://app.lindo.ai/sign-in) # Analyze keyword density and top phrases on any page. Extract the most repeated words and phrases from a page's visible content, with density percentages and phrase frequency counts. Run Keyword Density Checker Quick content analysis for SEO writers and content strategists. ## What this tool helps you do ### Top words See the 15 most repeated meaningful words with density percentages. ### Phrase analysis Find repeated 2-word and 3-word phrases across the content. ### Stop word filtering Common filler words are excluded for cleaner results. ## How it works 01 ### Paste the URL. Use any public article, landing page, or content page. 02 ### Analyze the content. The tool strips non-content elements and counts word frequency. 03 ### Review density. Check whether key terms appear enough or if content is over-optimized. Use cases ## Where teams use this tool ### SEO content review Check keyword usage before publishing or after edits. ### Competitor analysis See what terms a competitor page emphasizes most. ### Content briefs Validate that writers hit target keyword density guidelines. Developer-friendly ## Simple Worker endpoint Example endpoint /api/analyze?url=https://example.com Each free tool runs as a small Cloudflare Worker with a public HTTP interface. That makes them useful for browser use, SEO pages, and automation flows. Open source ## Use the repo, fork it, or deploy your own copy [Open source on GitHub Browse the source, fork the Worker, or use the template repo as a starting point for your own version.](https://github.com/lindoai/keyword-density-checker)[Deploy to Cloudflare Every tool repo includes a Cloudflare deploy button, Worker config, and standalone README so you can launch your own copy quickly.](https://github.com/lindoai/keyword-density-checker) Other free tools ## Browse the Lindo tool library All 19 SEO 8 Social 2 Content 4 Design 3 Agency 2 [Agency Website Score Free Website Score tool. Get mobile, desktop, and conversion scores with actionable insights for any public URL.](https://lindo.ai/tools/website-score)[Content URL to Markdown Free URL to Markdown tool. Convert any public page into clean markdown for AI workflows, briefs, and content reuse.](https://lindo.ai/tools/url-to-markdown)[Design URL Screenshot Free URL Screenshot tool. Capture desktop or full-page screenshots from any public website URL.](https://lindo.ai/tools/url-screenshot)[SEO Meta Tag Checker Free Meta Tag Checker. Audit title tags, meta descriptions, canonicals, Open Graph, and Twitter tags on any page.](https://lindo.ai/tools/meta-tag-checker)[Social Open Graph Preview Free Open Graph Preview tool. Preview how your page looks when shared using Open Graph metadata.](https://lindo.ai/tools/open-graph-preview)[SEO Heading Structure Audit Free Heading Structure Audit tool. Check missing H1s, heading order, and hierarchy issues on any page.](https://lindo.ai/tools/heading-structure-audit)[SEO Sitemap Inspector Free Sitemap Inspector. Inspect robots.txt sitemap declarations, sitemap.xml files, URL counts, and sample entries.](https://lindo.ai/tools/sitemap-inspector)[Content Content Summary Generator Free Content Summary Generator. Summarize any public page into concise bullets and reusable notes.](https://lindo.ai/tools/content-summary-generator)[Design Tech Stack Detector Free Tech Stack Detector. Detect likely frameworks, CMSs, analytics scripts, and other technologies from a page.](https://lindo.ai/tools/tech-stack-detector)[Agency Landing Page Scorecard Free Landing Page Scorecard. Score any landing page for messaging, trust, CTA quality, and SEO basics.](https://lindo.ai/tools/landing-page-scorecard)[SEO Link Extractor Free Link Extractor. Extract internal and external links from any public page with anchor text and absolute URLs.](https://lindo.ai/tools/link-extractor)[Design Image Extractor Free Image Extractor. List images, alt text, dimensions, and likely hero images from any public page.](https://lindo.ai/tools/image-extractor)[SEO Redirect Checker Free Redirect Checker. Follow redirect chains, see status codes, hops, and the final destination URL.](https://lindo.ai/tools/redirect-checker)[SEO Robots.txt Inspector Free Robots.txt Inspector. Parse robots.txt rules, sitemaps, and user-agent blocks for any domain.](https://lindo.ai/tools/robots-txt-inspector)[Content Readability Score Checker Free Readability Score Checker. Estimate Flesch Reading Ease, grade level, and reading time from any public page.](https://lindo.ai/tools/readability-score-checker)[SEO SERP Snippet Preview Free SERP Snippet Preview tool. See how your page title and description appear in Google search results.](https://lindo.ai/tools/serp-snippet-preview)[SEO Broken Link Checker Free Broken Link Checker. Find broken links, 404 errors, and timeouts on any public page.](https://lindo.ai/tools/broken-link-checker)[Social Twitter Card Preview Free Twitter Card Preview tool. Preview how your page looks when shared on Twitter/X using meta tags.](https://lindo.ai/tools/twitter-card-preview)[Content Content Word Counter Free Content Word Counter. Count words, sentences, paragraphs, and estimate reading time from any public page.](https://lindo.ai/tools/content-word-counter) ![](https://lindo.ai/img/sky.jpg) ## Ready to ship client sites faster? Start building with Lindo.ai — turn business info into draft sites, deliver under your brand, and keep billing in one workspace. 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