Upsonar Website Monitor

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!

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