The best and simplest free open source web page change detection, website watcher, restock monitor and notification service. Restock Monitor, change detection.
 
 
 
 
 
 
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README.md

changedetection.io

Self-hosted change monitoring of web pages.

Know when web pages change! Stay ontop of new information!

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
  • Festivals with changes
  • Realestate listing changes

Get monitoring now! super simple.

$ mkdir ./datastore
$ docker run -d --restart always -p "127.0.0.1:5000:5000" -v "$(pwd)"/datastore:/datastore dgtlmoon/changedetection.io

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

(The /datastore -v is optional, I prefer to have the files on my local disk instead of in a docker volume)

Self-hoster web page change monitoring application screenshot

Future plans

  • Greater configuration of check interval times, page request headers.
  • General options for timeout, default headers
  • On change detection, callout to another API (handy for notices/issue trackers)
  • Explore the differences that were detected.
  • Use a graphic/rendered page difference instead of text (see the experimental selenium-screenshot-diff branch)

Please star this project and help it grow! https://github.com/dgtlmoon/changedetection.io/