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Uptime Guarantee: What Does 99.9% Mean?
March 2, 2026
What is Uptime?
Uptime is the amount of time your website is online and reachable. It's expressed as a percentage.
99.9% Uptime Explained
99.9% uptime means a maximum of 8 hours and 45 minutes of downtime per year. That sounds like little, but it can still impact your business.
Different Uptime Percentages
99% Uptime
A maximum of 3.65 days of downtime per year.
99.9% Uptime
A maximum of 8 hours 45 minutes per year.
99.99% Uptime
A maximum of 52 minutes per year.
What Affects Uptime?
Hardware failures, software updates, network issues, cyberattacks and maintenance can all cause downtime.
How HQinternet Guarantees Uptime
We use redundant systems, proactive monitoring and high-quality hardware to guarantee maximum uptime.