Point it at a URL, get back a report on the site's health — HTTP status, response time, security headers, basic SEO/meta checks.

• POST /api/scan with a URL; runs a full scan (fetch + cheerio parse) and returns a JSON report
• Saves reports to SQLite, addressable by id, with a /api/recent feed
• Blocks scans of localhost / private IP ranges
• Per-IP daily rate limit (25 scans/day free tier)
• Static SPA in public/ for the dashboard

Node.js + Express + better-sqlite3 + cheerio.

npm install
npm start         # listens on $PORT (default 3090)
npm run dev       # node --watch

• Listens on PORT env var, defaults to 3090.
• SQLite file pulse.db is created in the project root; gitignored.
• nginx.conf and ecosystem.config.cjs (PM2) are the deployed-host configs, kept for reference.