Free Security Tool
SSL Certificate Analyzer
Check your website's SSL/TLS security configuration in seconds. Get detailed reports on certificate validity, protocol support, cipher strength, and potential vulnerabilities.
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Overall Score
Certificate
- Status
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- Issuer
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- Valid Until
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- Days Remaining
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Protocol Support
- TLS 1.3
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- TLS 1.2
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- TLS 1.1
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- TLS 1.0
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Score Breakdown
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Protocol (30%)
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Cipher (25%)
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Certificate (25%)
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Security (20%)
What Does This Tool Check?
Certificate Validity
Verifies your SSL certificate is properly issued, not expired, and trusted by major browsers.
Protocol Versions
Checks which TLS versions are supported. Modern sites should use TLS 1.2 or 1.3 only.
Cipher Suites
Analyzes encryption algorithms in use. Weak ciphers can leave your site vulnerable.
Vulnerabilities
Scans for known vulnerabilities like BEAST, POODLE, Heartbleed, and other security issues.
Security Headers
Evaluates HTTP security headers like HSTS, which help protect against downgrade attacks.
Performance
Measures handshake time and connection performance to ensure optimal security without slowdowns.
Understanding Your Grade
| Grade | Score Range | Description |
|---|---|---|
| A+ | 95-100 | Excellent configuration with all best practices implemented |
| A | 85-94 | Very good security with minor improvements possible |
| B | 70-84 | Good baseline security but could be improved |
| C | 50-69 | Adequate security with notable issues to address |
| D | 30-49 | Poor configuration with significant security concerns |
| F | 0-29 | Critical vulnerabilities requiring immediate attention |
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