Upsonar - Website Monitor
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Check website availability, SSL certificates & domain expiry across 9 global locations. Fast, privacy-focused monitoring.
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)
Latest reviews
- Richard Maxwell
- Exactly what I was looking for.
- Ken Great
- Kudos to the developer of this tool.
- John Wilson
- Working beyond my expectations.
- Kenneth Williams
- So effective.
- Ayo Mhide
- Nice. it's working.
- Mbape Goods
- thumbs up!!
- Rodrigo
- This is must use tool for every web developer!!
- Williams Max
- I felt tired of some bugs at first but in the end I found what I was looking for.
- Vicky Denilson
- I'm excited for finding this wonderful extension!!
- Brain Traisy
- So satisfied with this tool.
- Evans Anthony
- At first this tool was a headache but when I took time to find my way around it, I enjoyed the effectiveness so well!!
- Doris Davis
- This extension has been helpful in my work recently.
- Banky T
- So easy to use
- Adekunle Peter
- This tool is user friendly.
- Patrick John
- Love it.
- Rex John
- Amazing extension.
- MARKETING TØYÎB
- This is a recommendation for web development!
- The pro Samik
- It meet with my expectations.
- Apex Team
- Nice tool, Loving it.
- Daria Petrova
- Excellent! It's working!