Calculators, guides, and best practices to help you understand uptime, plan for outages, and keep your sites online.
Estimate the true cost of website outages for your business—lost revenue, support time, and reputation. Use it to justify uptime monitoring and set response priorities.
Use the calculatorLearn what uptime monitoring is, how it works, and why you need it—with no jargon.
Set up instant downtime alerts via email, SMS, Slack, and more so you're the first to know.
Compare free uptime monitoring tools: features, limits, and what to look for before you choose.
Free plan includes 3 monitors, SSL checks, and status pages. No credit card required.
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