LinkPulse - Broken Link Checker

LinkPulse is a lightweight, privacy-first dead link detector that scans any webpage for broken links in one click. Perfect for SEO professionals, webmasters, content managers, and developers who need to quickly identify and fix broken links. 🔍 How It Works Click the LinkPulse icon in your toolbar Hit "Scan This Page" Instantly see all broken links highlighted in red View detailed status codes (404, 500, timeout, redirect) ✨ Free Features Scan up to 50 links per page Visual dead link markers (red outline + badge) HTTP status code display Instant results summary 🚀 Pro Features ($9 one-time purchase) Unlimited link scanning — No limits, ever Export reports — Download CSV or JSON for documentation Scan history — Track all your past scans with IndexedDB Advanced filters — Filter by status code, domain, or type Scheduled reminders — Daily check alerts via Chrome alarms Batch marking — Highlight all dead links simultaneously 🔒 Privacy First 100% client-side processing No data sent to external servers No tracking or analytics No account required Works offline (except license verification for Pro) ⚡ Technical Manifest V3 (latest Chrome standard) Smart concurrency control (5 parallel requests max) Intelligent timeout handling (5s default) CORS-aware detection (HEAD → GET fallback) Zero server dependency 🎯 Perfect For SEO Audits — Find broken links before Google does Content Migration — Verify links after site updates Quality Assurance — Catch 404s before publishing Link Building — Ensure outreach targets are valid Upgrade to Pro and unlock the full power of LinkPulse!