changedetection.io

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring—all for free or enjoy our SaaS plan!

⭐ 31,675 stars on GitHub · 🍴 1,798 forks · 📜 License: apache-2.0 · 💻 Language: Python

What is changedetection.io?

Relying on commercial SaaS for web monitoring often means hitting arbitrary paywalls or dealing with rigid API limits. Hosting your own page-watching infrastructure gives you total control over polling frequency, target selectors, and notification routing without

Topics: the project is tagged with popular topics:

• 🏷️ back-in-stock
• 🏷️ change-alert
• 🏷️ change-detection
• 🏷️ change-monitoring
• 🏷️ monitoring
• 🏷️ notifications
• 🏷️ restock-monitor
• 🏷️ rss
• 🏷️ self-hosted
• 🏷️ url-monitor

📸 Screenshots

Quick install

The project supports Docker Compose:

git clone https://github.com/dgtlmoon/changedetection.io.git
cd changedetection.io
docker compose up -d

Check the README in the repo for required env variables.

Minimum system requirements

⚡ Deploy fast on VSIS

Use the VSIS VPS Standard 4GB RAM / 2 vCPU / 50GB SSD (~150k/tháng) plan from VSIS.NET — high-speed VN-based VPS, 24/7 support, ideal for running changedetection.io smoothly.

🎯 Benefits:

• One-command docker compose up -d deploy in 2 minutes
• Dedicated IPv4, root access, unmetered domestic bandwidth
• Daily snapshot backup
• Free install assistance from the VSIS team

👉 See matching VPS plans at vsis.net

Resources

• 🔗 GitHub: dgtlmoon/changedetection.io
• 🌐 Homepage: https://changedetection.io
• 📚 Official docs: see README in the repo
• 💬 Community: GitHub Issues + Discussions

Article compiled from GitHub data on 23/05/2026. Star/fork counts may have changed — see live numbers via the GitHub link.