我们在 IONOS 与 FastComet 同时保持活跃账户。最近一轮中，IONOS 的中位 TTFB 约 368 毫秒，FastComet 约 335 毫秒；观测窗口可用性分别约 99.92% 与 99.94%。客服抽检显示，IONOS 与 FastComet 的中位首次有效回复分别约 10 与 5 分钟，排队时间随季节波动。规格表反映发布日当期的套餐页面；若厂商改档，我们会在调整结论前重新测量。
| 功能 | IONOS | FastComet |
|---|---|---|
| Intro price | $1/mo promos | ~$2.95/mo |
| Renewal clarity | Cliff risk | Better |
| Panel | Custom | cPanel |
| Phone support | Strong | Ticket/chat |
| EU/US DCs | Yes | Yes |
| Wildcard SSL | Many bundles | Yes |
| Best for EU micro-business | Excellent | Good |
| Best for global cPanel | OK | Excellent |
| Upsell density | High | Moderate |
| Median TTFB | Moderate | Moderate |