The problem that started it:
I was running a small side project and my site went down for 2 hours before I noticed. I checked my uptime tool — it had pinged me. I'd missed the notification. When I looked at my revenue logs afterward, I could see the exact hole. I thought: why isn't this data in the monitor itself?
What existing tools get wrong:
Standard uptime monitors treat downtime as an ops problem. They tell you a binary state: up or down. But for any site generating revenue, the real question is "what's this costing me?" — and no one was answering that.
What I built:
