Qualys SSL Checker Alternative
Qualys hosts the popular SSL Server Test at SSL Labs — a thorough TLS audit that often takes one to two minutes per host. HTTPS Checker is a free Qualys alternative when you need the full HTTPS picture fast: grade, certificate expiry, redirect chain, security headers, HTTP/2 and HTTP/3, mixed content, CAA and DNSSEC.
For cipher-level compliance reviews, Qualys remains the gold standard. For everyday deploy checks, see our HTTPS Checker vs SSL Labs breakdown.
Enter any domain — no signup, results in seconds.
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HTTPS Checker vs Qualys SSL Server Test
| Feature | HTTPS Checker | Qualys / SSL Labs |
|---|---|---|
| Results in seconds | Yes | No |
| SSL/TLS grade (A+ to F) | Yes | Yes |
| Redirect chain & 301/302 codes | Yes | No |
| Security headers (HSTS, CSP, …) | Yes | No |
| Mixed content detection | Yes | No |
| HTTP/2 & HTTP/3 | Yes | HTTP/2 only |
| Deep cipher-suite audit | No | Yes |
| Bulk check (10 domains) | Yes | No |
| Free public API | Yes | Rate-limited |
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