Monitoring engine online
Know what changed.
Watch websites without watching the web. Capture snapshots, detect meaningful changes, compare them visually, and keep every event in one place.
Everything important, one view.
Each detected change connects the summary, before state, after state, visual diff, text diff, and history.
Live monitoringVisual diffsChange history
Track a website
Add a URL and What Changed? will establish a baseline.
For focused monitoring, add selectors such as .pricing or main h1.
Watchlist
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Change feed
Every detected change, newest first.