Overview
Track and monitor website changes with this web extension
Site Spy — Track Website Changes Automatically Know the moment any webpage changes. Site Spy monitors the sites you care about and shows you exactly what was added or removed with visual diffs. Use the extension or the web dashboard — your choice. Manage watches from the browser toolbar, or from the full dashboard at sitespy.app on any device. 📖 Docs & guides: docs.sitespy.app Features: 🔍 Visual Diff Viewer — Side-by-side comparisons highlight every addition and removal. No more guessing what changed. ⚡ Automatic Monitoring — Set custom recheck intervals. Get browser notifications when content updates. 🖥️ Web Dashboard — Full dashboard at sitespy.app for managing watches, viewing diffs, and configuring notifications — works on any browser including mobile. 📸 Snapshot Timeline — Browse the complete change history of any tracked page. Compare any two versions. 🎯 Full-Page & Element Tracking — Monitor an entire page or target a specific CSS selector for precision tracking. 🏷️ Smart Tags — Organize tracked sites with color-coded tags. Filter and find what matters fast. 🌗 Dark & Light Themes — Clean interface that adapts to your preference. Two Ways to Track: • Track Current Page — One click adds whatever page you're viewing • Track Any URL — Enter any public website URL to start monitoring Great For: • Price and stock monitoring • Competitor website tracking • Documentation and changelog updates • News, blogs, and job postings • Any public webpage you want to keep an eye on How It Works: Click the Site Spy icon in your toolbar Track the page you're on or enter any URL Get notified when something changes View exactly what changed with visual diffs 🌐 sitespy.app | 📖 docs.sitespy.app Track smarter. Stay informed.
3.5 out of 56 ratings
Details
- Version1.0.61
- UpdatedMarch 10, 2026
- Size6.07MiB
- LanguagesEnglish
- DeveloperWebsite
Email
support@sitespy.app - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
Site Spy has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
Site Spy handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, please open this page on your desktop browser