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SSL Labs Server Test

The letter grade your TLS configuration deserves.

Tool·Privacy & Security·Free

SSL Labs Server Test screenshot

About SSL Labs Server Test

Qualys SSL Labs performs a deep analysis of a public HTTPS server: protocol versions, cipher suites, certificate chain and known vulnerabilities, condensed into a letter grade. It is free and the industry reference for TLS checkups.

Best for: Use this when you have deployed or renewed TLS and want proof the configuration is actually solid.

Pros

  • Thorough, current checks including known TLS attacks
  • Clear letter grade with specific remediation detail
  • Trusted across the industry

Cons

  • A full scan takes a few minutes per host
  • Results are shown on public boards unless you tick the opt-out

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