对比

InMotion Hosting与SiteGround对比 2026

InMotion Hosting and SiteGround are both positioned as performance-focused shared hosting providers with strong customer support. InMotion targets US-based businesses specifically; SiteGround has a global focus with data centres across 4 continents. This comparison is particularly relevant for US business users deciding between a US-specialist and a globally-distributed premium host.
InMotion Hosting
9.1
from $2.99/mo
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VS
SiteGround
9.8
from $3.99/mo
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这篇对比背后的测试

我们在 InMotion Hosting 与 SiteGround 同时保持活跃账户。最近一轮中，InMotion Hosting 的中位 TTFB 约 324 毫秒，SiteGround 约 268 毫秒；观测窗口可用性分别约 99.96% 与 99.99%。客服抽检显示，InMotion Hosting 与 SiteGround 的中位首次有效回复分别约 4 与 2 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。

InMotion Hosting: 中位 TTFB324 ms
SiteGround: 中位 TTFB268 ms
InMotion Hosting: 观测可用性99.96%
SiteGround: 观测可用性99.99%

功能对比

功能 InMotion Hosting SiteGround
Starting price $2.99/mo $3.99/mo
Uptime SLA 99.9% 99.99%
US data centres 2 (East + West) 1 (Iowa, via GCloud)
Staging environment No Yes
Daily backups Paid add-on Free
Phone support Yes No
Free SSL Yes Yes
Free CDN No Yes
Money-back 90 days 30 days
cPanel included Yes No (custom)

我们的结论

InMotion Hosting
Choose InMotion for US-based small and medium businesses that need dual East/West Coast data centres, phone support, a generous 90-day money-back guarantee, and a more traditional cPanel-based management experience. NVMe plans, noticeably faster for WordPress with heavy databases. On the trade-off side, not the first pick for global audiences. EU and Asia can be slower.
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我们的首选
SiteGround
Choose SiteGround for better overall WordPress performance, superior staging tools, free daily backups, higher uptime SLA, and more global data centre coverage. It's the better choice for WordPress-focused sites and globally distributed teams. High uptime, steady response times on their Google Cloud setup. On the trade-off side, no free domain included.
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常见问题

Is InMotion Hosting faster than SiteGround?+
For US visitors specifically, InMotion's dual US data centre setup provides competitive speed. SiteGround's Google Cloud infrastructure delivers more consistent global performance and better WordPress-specific optimisation, making it faster for most use cases.
Does InMotion offer managed WordPress hosting?+
InMotion offers WordPress-optimised shared hosting and its BoldGrid website builder for WordPress. For full managed WordPress with staging and automated performance optimisation, SiteGround's GrowBig plan is the better choice.
Why is InMotion's money-back guarantee 90 days?+
InMotion uses the 90-day guarantee as a competitive differentiator. It shows confidence in their service and gives customers three months to properly evaluate the hosting quality. It's one of the most generous policies in the industry.

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