SSLabs.com
SSLabs.com provides free, detailed analysis of SSL/TLS configuration and security for public web servers. · SSL Labs · Security
Overview
SSL Labs' SSL Test is a widely used, free tool for analyzing the SSL/TLS configuration and security of public web servers. It provides a comprehensive report on certificate validity, protocol support, cipher strength, and known vulnerabilities, making it valuable for website owners and security professionals.
Good fit
Use when you need a quick, in-depth SSL/TLS security analysis for a public website.
- security-audits
- compliance-checks
- website-owners
Not a fit
Avoid if you need to test private/internal servers.
- testing-private-sites
Quickstart · 4 steps
- Go to https://www.ssllabs.com/ssltest/
- Enter your website domain in the input box.
- Click 'Submit' to start the analysis.
- Wait for the scan to complete and review the detailed report.
Other free security options
Free tierWhat you get freeRiskCard
Let's Encrypt · Security
50 certificates per registered domain per week · 5 duplicate certificates (same identifiers) per week · 90-day certificate validity
Billing risk: None
No card
GitGuardian · Security
Up to 25 developers · Unlimited real-time secret scanning · Up to 500 historical scan detections
Billing risk: None
No card
Snyk · Security
5 projects · Snyk Code (SAST): 100 tests/month · Snyk Open Source (SCA): 200 tests
Billing risk: None
No card
Cloudflare · Security
Up to 20 widgets per account · Works without other Cloudflare services
Billing risk: None
No card