SiteSentry: Visual Web & Price Monitor by Sasan
Visual page-element monitor. Free plan included. Unlock SiteSentry Pro ($5 lifetime) for SPA rendering, fast intervals, webhooks, charts, and full history.
Extension Metadata
About this extension
SiteSentry is a lightweight, privacy-focused visual element and price monitor that runs directly inside your browser. Track price drops, stock availability, ticket releases, or website updates without exposing your credentials or relying on costly cloud services.
Free Forever Plan:
* Up to 3 active monitors
* Hourly check intervals (1h, 2h, 6h)
* Native desktop notifications
* Light HTML fetch engine
* Recent log history (last 10 records)
SiteSentry Pro ($5 One-Time Lifetime License):
* Unlimited concurrent monitors
* Ultra-fast background intervals (1, 5, 15, and 30 minutes)
* SPA & dynamic website monitoring (silent background tab execution)
* Instant webhooks: Telegram, Discord, Slack, and Custom Webhooks
* Visual price fluctuation charts & CSV/JSON export
* Advanced triggers: Percentage change, Regular Expressions (Regex), and multi-step stability checks
Unlock the Pro features at any time directly from the extension dashboard via instant crypto payment (USDT on TON, TON, and popular coins).
- Visual Element Picker: Click on any page element (prices, badges, headlines, table rows) to start tracking instantly.
- Privacy-First Architecture: All monitoring logic, target URLs, and historical data remain strictly inside your browser's local IndexedDB. Zero cloud tracking.
- Smart Detection: Supports text diffs, numeric thresholds (greater than, less than), and keyword matching.
Free Forever Plan:
* Up to 3 active monitors
* Hourly check intervals (1h, 2h, 6h)
* Native desktop notifications
* Light HTML fetch engine
* Recent log history (last 10 records)
SiteSentry Pro ($5 One-Time Lifetime License):
* Unlimited concurrent monitors
* Ultra-fast background intervals (1, 5, 15, and 30 minutes)
* SPA & dynamic website monitoring (silent background tab execution)
* Instant webhooks: Telegram, Discord, Slack, and Custom Webhooks
* Visual price fluctuation charts & CSV/JSON export
* Advanced triggers: Percentage change, Regular Expressions (Regex), and multi-step stability checks
Unlock the Pro features at any time directly from the extension dashboard via instant crypto payment (USDT on TON, TON, and popular coins).
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Permissions and data
Required permissions:
- Display notifications to you
- Access browser tabs
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.2.4
- Size
- 99.54 KB
- Last updated
- 5 days ago (Sep 13, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection