Blog
Notes on uptime monitoring, on-call, status pages and running infrastructure without a platform team.
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What is uptime, and what is PulZone?
Uptime is the share of time a service answered correctly. This is what the number actually measures, why the "nines" are less solid than they look, and where the name PulZone comes from.
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Why checking uptime is not optional
You will find out that your site is down. The only question is whether you find out from a monitor in ninety seconds or from a customer in nine hours. Here is what that gap actually costs.
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How to check website and service status properly
Most uptime checks answer a question nobody asked: did something reply? Here is how to check status so that a pass means working and a page means broken.