Base
Hardened build
minimal ports, security patches applied at build time
changedetection.io
AWS
Azure
Developer Tools
2 variations
changedetection.io watches any web page and alerts you the moment it changes, with a visual diff of what moved.
Variations
Choose the operating system, cloud and version you need. Every variation is the same hardened changedetection.io image, built and supported by cloudimg.
| Product | Cloud | Operating system | Version | |
|---|---|---|---|---|
| changedetection.io - Website Change Monitor | AWS | — | Standard | View · Guide |
| changedetection.io on Ubuntu 24.04 | Azure | Ubuntu 24.04 | Standard | View · Guide |
Overview
changedetection.io monitors web pages for changes and shows a clear visual diff of exactly what was added or removed, with notifications when a watched page updates. It is used for price tracking, availability alerts and content monitoring.
Why the cloudimg image
It runs as a container behind nginx with the WebSocket upgrade for the live watch list, hardened, and stores settings, page history and diffs on a dedicated resizable data disk. A unique access password is generated on first boot, applied with the application's own salted hash and stored in a root only file, with 24/7 cloudimg support.
Common uses
- Website change monitoring
- Price and stock alerts
- Content and compliance watching
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