Welcome to Site Spy
Monitor website changes with ease
Site Spy is a website monitoring tool that tracks pages for changes automatically. Use the web dashboard on any device, or install the browser extension for Chrome and Firefox. It checks pages on a schedule you set, detects updates, and notifies you instantly.
What can you do with Site Spy?
- Track any website — Add pages to your watchlist and get notified when they change
- Monitor specific elements — Use the element inspector to pick exactly what to watch (prices, stock levels, headlines)
- Visual diffs — See exactly what changed with green (added) and red (removed) highlights
- Screenshot capture — Capture full-page screenshots and compare them visually with before/after sliders and diff overlays (Pro)
- Snapshot timeline — Browse every captured version and compare any two snapshots
- Get notified — Browser alerts, email, Telegram, or 90+ webhook integrations (Discord, Slack, Teams, and more)
- RSS feeds — Subscribe to change feeds in any RSS reader
- Import & Export — Bulk import URLs and export your watches as JSON or plain text
- Organize with tags — Color-coded labels to filter and group your watches
- Sync across devices — Sign in once, access all watches from any browser