Site Sentry Webpage Tracker

Track Any Web Page Automatically. Webpage Tracker monitors the URLs you care about and tells you the moment something changes. Whether it is a product price drop, a new press-release, tournament brackets, or release notes on your favorite framework! Stop refreshing the browser and let your Mac watch for you. Key features - Change Alerts - macOS banners, sounds & badge - Menu-bar pop-over shows the three most-recent changes - Visual & HTML Diff - Side-by-side HTML viewer - Snapshot history (HTML stored locally) - Interval & Category - Five built-in intervals (5 min every 24 h) + custom names like "Competitors", "News" - Pause / Resume / Refresh All - One click to silence checks, another to force a manual sweep - CSV Import / Export - Bulk add hundreds of pages or back up your list in a second - Run at Login - Starts silently; background fetch every 15 min (low energy impact) - No Cloud, No Server - All snapshots live in your local directory, nothing leaves your Mac How it works 1. Add a URL, choose an interval and (optionally) a regex/threshold. 2. WebpageTracker captures the page HTML on schedule and stores it locally. 3. You get an alert and a new entry in History. 4. Browse any previous version. HTML diff today, visual diff coming in 1.2! Privacy first - Runs entirely on-device. - No analytics, no trackers, no account. - Custom User-Agent identifies the app in server logs.