Resources & Free Tools
Free tools and guides to help you understand uptime, plan for outages, and keep your sites online.
Free Tools
Website Downtime Cost Calculator
Estimate the true cost of website outages—lost revenue, support time, and reputation damage. Use it to justify monitoring investment and set response priorities.
Use the calculatorFree Guides
What Is Uptime Monitoring? A Beginner's Guide
Learn what uptime monitoring is, how it works, and why you need it.
Get Notified When Your Website Goes Down
Set up instant downtime alerts via email, SMS, Slack, and more.
Best Free Uptime Monitoring Tools (2026)
Compare free monitoring tools: features, limits, and what to look for.
Start Monitoring in Under a Minute
Free plan includes 3 monitors, SSL checks, and status pages. No credit card required.
Start Free Monitoring