Site Spy

Track and monitor website changes with this web extension

As of June 2026, Site Spy has 458 users and a 3.50/5 rating from 6 reviews in the Functionality & UI category.

Usersdown 3.0 percent3.0%
458
458
Ratingno change0%
3.50
6 reviews
Reviewsno change0%
6
Version
1.0.62
Manifest V3

History

14 snapshots

Tracking since Apr 1, 2026.

489.48471.5453.52Apr 1, 2026Jun 15, 2026
View as table
DateUsersRatingReviewsVersion
Apr 1, 20264723.5061.0.62
Apr 9, 20264713.5061.0.62
Apr 20, 20264563.5061.0.62
Apr 25, 20264673.5061.0.62
Apr 29, 20264753.5061.0.62
May 5, 20264663.5061.0.62
May 12, 20264743.5061.0.62
May 16, 20264763.5061.0.62
May 21, 20264853.5061.0.62
May 25, 20264873.5061.0.62
May 30, 20264733.5061.0.62
Jun 4, 20264703.5061.0.62
Jun 8, 20264743.5061.0.62
Jun 15, 20264663.5061.0.62
Now4583.5061.0.62

Permissions & access

Permissions
tabsstoragealarmsnotificationscontextMenusscripting
Host access
http://*/*, https://*/*

Screenshots

Site Spy screenshot 1Site Spy screenshot 2Site Spy screenshot 3Site Spy screenshot 4Site Spy screenshot 5

About

Site Spy — Track Website Changes Automatically

Know the moment any webpage changes. Site Spy monitors the sites you care about and shows you exactly what was added or removed with visual diffs.

Use the extension or the web dashboard — your choice.
Manage watches from the browser toolbar, or from the full dashboard at sitespy.app on any device.

📖 Docs & guides: docs.sitespy.app

Features:

🔍 Visual Diff Viewer — Side-by-side comparisons highlight every addition and removal. No more guessing what changed.

⚡ Automatic Monitoring — Set custom recheck intervals. Get browser notifications when content updates.

🖥️ Web Dashboard — Full dashboard at sitespy.app for managing watches, viewing diffs, and configuring notifications — works on any browser including mobile.

📸 Snapshot Timeline — Browse the complete change history of any tracked page. Compare any two versions.

🎯 Full-Page & Element Tracking — Monitor an entire page or target a specific CSS selector for precision tracking.

🏷️ Smart Tags — Organize tracked sites with color-coded tags. Filter and find what matters fast.

🌗 Dark & Light Themes — Clean interface that adapts to your preference.

Two Ways to Track:
• Track Current Page — One click adds whatever page you're viewing
• Track Any URL — Enter any public website URL to start monitoring

Great For:
• Price and stock monitoring
• Competitor website tracking
• Documentation and changelog updates
• News, blogs, and job postings
• Any public webpage you want to keep an eye on

How It Works:

Click the Site Spy icon in your toolbar
Track the page you're on or enter any URL
Get notified when something changes
View exactly what changed with visual diffs


🌐 sitespy.app | 📖 docs.sitespy.app

Track smarter. Stay informed.

Technical

Version
1.0.62
Manifest
V3
Size
4.2MiB
Min Chrome
88
Languages
1
Featured
Yes

Metadata

ID
jeapcpanagdgipcfnncmogeojgfofige
Developer ID
u22aa4c0ae6925a4f733265ee66543b21
Developer Email
[email protected]
Created
Nov 2, 2023
Last Updated (Store)
Mar 14, 2026
Last Scraped
Jun 15, 2026
Website
sitespy.app

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Data sourced from the Chrome Web Store · last verified Jun 15, 2026.