The best and simplest free open source web page change detection, website watcher, restock monitor and notification service. Restock Monitor, change detection. Designed for simplicity - Simply monitor which websites had a text change for free. Free Open source web page change detection, Website defacement monitoring, Price change notification
[feature] On non-200 ( so 404 for example ) offer to turn on "would you like to track content changes in non-200 return" ?