dgtlmoon/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!
$ git clone https://github.com/dgtlmoon/changedetection.io.git
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32,426
forks
1,891
language
Python
license
Apache License 2.0
What is dgtlmoon/changedetection.io?
Changedetection.io is an open-source tool for monitoring website changes and triggering notifications when content is updated, making it useful for tracking price drops, stock availability, content modifications, or potential defacement. Developers use it to automate monitoring tasks that would otherwise require manual checking, with options for self-hosting or using the managed SaaS version. The tool supports various notification methods and integrates web scraping capabilities to detect meaningful changes across multiple URLs.
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361 open issues · last updated Jul 21, 2026