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)
- AI Chat — Manage watches through conversation — create monitors, check changes, configure filters with natural language
- Smart Filters — AI noise reduction automatically filters timestamps, cookie banners, and dynamic content from new watches
- AI change summaries — Bring your own API key (Claude, GPT, or Gemini) for plain-language change summaries (Pro/Business)
- MCP integration — Connect AI assistants like Claude and Cursor to monitor websites through Site Spy
- CSS & XPath filters — Monitor specific page sections with precise selectors
- Browser steps — Monitor login-protected pages with automated interactions (Pro/Business)
- Share watches — Send a share link so others can add your watch configuration in one click
- Team collaboration — Invite team members to share watches and dashboards (Business)
- 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
- Customize your view — Toggle action buttons, choose dark/light/auto theme
- Sync across devices — Sign in once, access all watches from any browser