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Analyze any webpage for keyword density, word count, readability and phrase frequency in one click. For SEO writers and marketers. 🎯 WHY KEYWORD DENSITY CHECKER PRO? You just spent two hours writing a blog post. It reads well, covers the topic thoroughly, and you are ready to hit publish. But how do you know if search engines will actually find it? Is your target keyword appearing enough times, or are you accidentally stuffing it? What about secondary phrases — are they distributed naturally or clumped together? Most online keyword density tools force you to copy-paste your text into a form. That is slow, unreliable, and ignores how the page actually renders. Keyword Density Checker Pro works differently. It analyzes the live published page in one click, reading exactly what search engines read — stripped of navigation, ads, and boilerplate. 🚀 HOW IT WORKS Analyzing a page takes about three seconds: ▸ Navigate to any web page with text content — a blog post, news article, product page, or documentation ▸ Click the extension icon in your toolbar and press "Analyze This Page" to start the analysis ▸ The extension extracts the main article content automatically, stripping navigation, footers, sidebars, and ads so you only see what matters ▸ View a complete breakdown: word count, sentence count, reading time, Flesch-Kincaid readability score, and a sortable keyword density table with visual bars Every analysis is saved to your local history so you can track how pages change over time. 👥 PERFECT FOR 📝 **SEO Content Writers** who need to verify keyword placement before publishing. Check if your target phrase hits the 1-3% sweet spot without over-optimizing. Catch missing secondary keywords before your editor does. 📊 **Content Team Leads** reviewing articles from freelancers and staff writers. Quickly verify that deliverables meet keyword density targets and readability standards without reading every word. 🔍 **SEO Analysts** running content audits across dozens of pages. Identify keyword stuffing, thin content, and missed ranking opportunities by scanning density and readability in seconds. 🎓 **Students and Researchers** checking readability scores on academic papers. Verify that your writing matches the expected reading level for your audience before submission. ✨ KEY FEATURES ✅ **One-Click Page Analysis** — Analyze any live web page without copy-pasting. The extension reads the rendered content directly. ✅ **Keyword Density Table** — See every keyword and phrase sorted by frequency with count, density percentage, and visual bar chart for quick scanning. ✅ **Phrase Analysis** — Analyze single words, two-word phrases, and three-word phrases to find multi-word keyword patterns that matter for SEO. ✅ **Flesch-Kincaid Readability** — Get an instant readability score so you know if your writing matches your target audience level. ✅ **Keyword Highlighting** — Click any keyword in the table to highlight every instance on the page, making distribution visible at a glance. ✅ **Smart Content Extraction** — Automatically focuses on article body text, ignoring navigation, headers, footers, ads, and sidebars. ✅ **Stopword Filtering** — Excludes common words like "the", "is", and "and" so you only see meaningful keywords. ✅ **Analysis History** — Saves your last 50 analyses locally so you can compare results over time. 📖 HOW TO USE → Install Keyword Density Checker Pro and pin it to your toolbar for quick access → Navigate to any page you want to analyze → Click the extension icon and press "Analyze This Page" → Switch between 1-word, 2-word, and 3-word filters to focus on different phrase lengths → Click any keyword to highlight it on the page and see its distribution 💡 PRO TIPS 💡 Aim for 1-3% density on your primary keyword — higher than 3% may trigger over-optimization penalties 💡 Use the 2-word filter to find natural long-tail phrases you may not have targeted intentionally 💡 Check competitor pages to see which phrases they emphasize and at what density 💡 Use the readability score to match your writing level to your audience — 60-70 is ideal for general web content 💡 Review your analysis history to track how content changes affect keyword distribution ❓ FREQUENTLY ASKED QUESTIONS **Q: Does this work on any website?** A: Yes. It works on any web page with text content including blogs, news articles, documentation, product pages, and more. **Q: How is keyword density calculated?** A: Density equals keyword count divided by total words, multiplied by 100. A healthy range for your primary keyword is typically 1-3%. **Q: What is the Flesch-Kincaid readability score?** A: It measures how easy your text is to read on a scale from 0 to 100. Higher scores mean easier reading. A score between 60 and 70 is considered ideal for general web content. **Q: Does this extension slow down my browsing?** A: No. The extension only activates when you click "Analyze This Page". It never runs in the background or monitors your browsing. **Q: Is my content private?** A: Absolutely. All analysis happens locally in your browser. No text is ever sent to external servers. The only network call is an optional Pro license check. ⚡ TECHNICAL DETAILS • Built with TypeScript and Vite for fast, reliable performance • Manifest V3 compliant with strict Content Security Policy • Minimal permissions: only activeTab, storage, alarms, and scripting • Zero runtime dependencies — the entire extension is self-contained • Works offline after installation (except Pro license checks) 🏆 WHY CHOOSE KEYWORD DENSITY CHECKER PRO ✓ Zero-friction workflow — analyze live pages without copy-pasting into external tools ✓ Privacy-first design — your page content never leaves your browser ✓ Lightweight at under 1MB — installs in seconds, uses minimal resources ✓ Free tier is generous — unlimited analyses with 1-word and 2-word phrase density ✓ Pro is affordable — unlock 3-word phrases, competitor comparison, and CSV export 🎬 GET STARTED ★ Install Keyword Density Checker Pro from the Chrome Web Store ★ Pin the extension to your toolbar for one-click access ★ Analyze your first page and see keyword distribution instantly ⭐ RATE US If Keyword Density Checker Pro helps you write better-optimized content, we would love a 5-star review. Your feedback helps us improve and helps other writers discover the tool. Found a bug or have a feature request? Reach out first — we respond to every message. 📧 SUPPORT For help, bug reports, or feature requests, contact us at support@peakproductivity.online. Visit https://peakproductivity.online for more tools and resources.