F
Post-quantum TLS readiness
siteground.biz
Critical issue to fix first
Short answer
Yes. As of 2026-11-03, siteground.biz negotiates the hybrid post-quantum key exchange X25519MLKEM768 over TLSv1.3 (Quantum Aether grade F).
| Grade | F |
|---|---|
| Key exchange | X25519MLKEM768 |
| Post-quantum | yes |
| TLS | TLSv1.3 |
| Hosting network | Google LLC |
| Tranco rank | #4087 |
From our weekly tracker of the top 10,000 sites, scanned on 2026-11-03 · /adoption
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Markdown
[](https://ather-quatum.cloud/?domain=siteground.biz)