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Uptime monitoring guides and how-tos.

How checks, regions, alerts and maintenance work, and how to set each one up.

Each guide takes one technique and explains it down to the settings: what the check proves, where it misleads, and which Fettle options change the outcome. For a single platform or kind of job, the use cases go straight to the setup.

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What is uptime monitoring? A developer's guide

Uptime monitoring checks your sites, APIs and jobs from outside on a schedule and alerts you when they stop answering. How checks, regions and alerts work.