#  changedetection.io
![changedetection.io](https://github.com/dgtlmoon/changedetection.io/actions/workflows/test-only.yml/badge.svg?branch=master)
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  <img src="https://img.shields.io/docker/pulls/dgtlmoon/changedetection.io" alt="Docker Pulls"/>
</a>
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## Self-hosted open source change monitoring of web pages.

_Know when web pages change! Stay ontop of new information!_ 

Live your data-life *pro-actively* instead of *re-actively*, do not rely on manipulative social media for consuming important information.


<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/screenshot.png" style="max-width:100%;" alt="Self-hosted web page change monitoring"  title="Self-hosted web page change monitoring"  />


**Get your own private instance now! Let us host it for you!**

[**Try our $6.99/month subscription - unlimited checks, watches and notifications!**](https://lemonade.changedetection.io/start), choose from different geographical locations, let us handle everything for you. 



#### Example use cases

Know when ...

- Government department updates (changes are often only on their websites)
- Local government news (changes are often only on their websites)
- New software releases, security advisories when you're not on their mailing list.
- Festivals with changes
- Realestate listing changes
- COVID related news from government websites
- Detect and monitor changes in JSON API responses 
- API monitoring and alerting

**Get monitoring now!**

```bash
$ pip3 install changedetection.io   
```

Specify a target for the *datastore path* with `-d` (required) and a *listening port* with `-p` (defaults to `5000`)

```bash
$ changedetection.io -d /path/to/empty/data/dir -p 5000
```


Then visit http://127.0.0.1:5000 , You should now be able to access the UI.

### Features
- Website monitoring
- Change detection of content and analyses
- Filters on change (Select by CSS or JSON)
- Triggers (Wait for text, wait for regex)
- Notification support
- JSON API Monitoring
- Parse JSON embedded in HTML
- (Reverse) Proxy support
- Javascript support via WebDriver
- RaspberriPi (arm v6/v7/64 support)

See https://github.com/dgtlmoon/changedetection.io for more information.