Upsonar - Website Monitor
Check website availability, SSL certificates & domain expiry across 9 global locations. Fast, privacy-focused monitoring.
As of June 2026, Upsonar - Website Monitor has 31 users and a 5.00/5 rating from 7 reviews in the Developer Tools category.
Usersup 63.2 percent+63.2%
31
31
Ratingno change0%
5.00
7 reviews
Reviewsno change0%
7
Version
1.7.0
Manifest V3
History
7 snapshotsTracking since Apr 1, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 1, 2026 | 19 | 5.00 | 7 | 1.7.0 |
| Apr 19, 2026 | 22 | 5.00 | 7 | 1.7.0 |
| Apr 29, 2026 | 21 | 5.00 | 7 | 1.7.0 |
| May 8, 2026 | 19 | 5.00 | 7 | 1.7.0 |
| May 16, 2026 | 20 | 5.00 | 7 | 1.7.0 |
| May 25, 2026 | 22 | 5.00 | 7 | 1.7.0 |
| Jun 4, 2026 | 26 | 5.00 | 7 | 1.7.0 |
| Now | 31 | 5.00 | 7 | 1.7.0 |
Permissions & access
- Permissions
- tabsstorage
- Host access
- https://upsonar.io/*
Screenshots
About
Upsonar - Website Monitor Check website availability, SSL certificates, and domain expiry across 9 global locations. Essential for web developers, site owners, and IT professionals ensuring worldwide accessibility and security. Key Features: • HTTP availability checks from 9 geographically diverse points • External dependency analysis - detect broken CDNs, scripts, fonts • SSL certificate monitoring - check expiry dates and validity • Domain WHOIS lookup - monitor domain expiration • Real response time measurements in milliseconds • Clean, modern interface with expandable details • One-click check for your current tab • Remembers your preferred regions and check type • Privacy-focused: No personal data stored Three Check Types: 1. HTTP Check - Verify website and its external dependencies (CDNs, scripts, stylesheets) across multiple regions 2. SSL Check - Monitor SSL certificate expiry, issuer, security score, and cipher suites 3. Domain Check - Track domain registration expiry, registrar, and nameservers Why Choose Upsonar? ✓ True global perspective - check from 9 worldwide locations ✓ Dependency monitoring - catch issues when third-party CDNs or scripts fail ✓ Never miss SSL certificate renewal deadlines ✓ Stay ahead of domain expiration issues ✓ Identify region-specific problems quickly ✓ Privacy-first: All checks are real-time, nothing stored How It Works: 1. Enter your website URL or use the current tab 2. Choose check type: HTTP, SSL, or Domain 3. For HTTP checks, select up to 9 worldwide regions 4. Click "Check" and get instant results 5. Expand any result for detailed information Privacy & Security: • No personal data stored • Checks performed from 9 diverse geographical points • All data processed in real-time, not saved after your session Want 24/7 monitoring with alerts? Visit upsonar.io - free tier available! Powered by Upsonar (upsonar.io)
Technical
- Version
- 1.7.0
- Manifest
- V3
- Size
- 17.94KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- dghhhepcapjmcdljcdkgabdlgefklbbh
- Developer ID
- u7cab30649e6591c689ae3cc6e984f63a
- Developer Email
- [email protected]
- Created
- Aug 5, 2024
- Last Updated (Store)
- Dec 9, 2025
- Last Scraped
- Jun 4, 2026
- Website
- upsonar.io
- Support URL
- —
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Data sourced from the Chrome Web Store · last verified Jun 4, 2026.