Quick summary
- Term
- Uptime
- Plain-English definition
- Uptime is the amount of time a service is available and functioning.
- Technical definition
- Uptime is the amount of time a service is available and functioning.
- Commonly confused with
- Related domain, DNS, registrar, API, or agent-infrastructure terms.
- Related terms
- Status Page, Anycast DNS, Monitoring
Definition
Uptime is the amount of time a service is available and functioning.
Why it matters
DNS, websites, APIs, and email all depend on reliable uptime.