YAN SEO

Advanced Technical SEO audit and on-page analysis tool.

YAN SEO — Advanced Technical SEO Audit Tool for Chrome STOP guessing. START ranking. YAN SEO is a powerful Chrome extension that performs a full on-page and technical SEO audit of any website — instantly, right from your browser's side panel. No external tools, no subscriptions, no data sent anywhere. Just open a page, click the icon, and get a complete professional-grade analysis in seconds. ----------------------------------------------------------------- 🔍 What YAN SEO Does: 📄 Meta & Structure Analysis: Instantly checks your Title Tag and Meta Description with real-time character counters and visual progress bars, flagging anything too short, too long, or missing. 🔗 Permalink Optimizer: Analyzes your current URL slug, rates its SEO-friendliness, and suggests a cleaner, optimized version — all based on best practices. 📊 Keyword Density Analyzer: Enter any target keyword and instantly get its density percentage, occurrence count, and prominence score on the page to ensure you're hitting the right optimization balance. 🔗 Content Link Auditor: Breaks down every link on the page into Total, Internal, and External — with percentages. Click any link in the panel to auto-scroll and highlight it directly on the page. 🔎 Link Checker (Batch): Batch-validates all links on the page, categorizing them as Valid, Redirected, Warning, or Broken. Export results to CSV or copy URLs in one click. ⚙️ Heading Hierarchy & Canonical: Visualizes your full H1–H6 heading tree, counts each level, detects structural issues, and verifies your canonical URL. Click any heading to jump to it on the live page. 🌍 International SEO & Schema: Detects all hreflang tags for multilingual/international targeting and identifies every Schema.org structured data type present on the page. 🖼️ Image SEO Audit: Lists all images with thumbnails and flags any missing ALT text or Title attributes — critical for accessibility and image search rankings. Click any image to scroll to it. 📱 Social Preview (Open Graph): Renders a live social card preview showing how your page will appear when shared on Facebook, LinkedIn, or other platforms, using your actual OG tags. 🧠 Top Keywords & Entities: Extracts the most frequent meaningful words from your content (stopwords filtered out), displayed as a clickable cloud. Click a keyword to find and highlight it on the page. 🎨 Design & Typography Extractor: Pulls the fonts, text colors, and background colors used on the page — with one-click HEX copy for colors. Perfect for competitive research and design audits. 📝 SEO Text Counter: A built-in scratchpad to write, count, and validate your SEO titles and descriptions before publishing. Supports uppercase, title case, and lowercase transformations. 📑 Markdown Export: Converts the main page content to clean Markdown in one click. See the estimated AI token reduction vs. raw HTML — ideal for feeding pages into LLMs efficiently. 🚀 Technical SEO Checklist: Automated pass/fail checks for all critical technical SEO parameters — viewport meta, robots directives, canonical validity, H1 presence, and more. 📂 Root File Checker: Verifies the existence of robots.txt and sitemap.xml directly from the page's domain — no manual URL typing needed. --------------------------------------------------------------- ✅ Why Choose YAN SEO? ⚡ Instant — Audits any page in real time, no page reload required 🔒 Private — 100% local analysis, zero data sent to external servers 🧰 All-in-one — Replaces a dozen separate tools in one clean panel 🖱️ Interactive — Click elements in the panel to navigate directly on the page 💾 Export-ready — Download links, content, and reports as CSV or Markdown