How we built multi-region uptime consensus on the...

Originally published at uptrack.app/blog/multi-region-consensus The 3am problem UptimeRobot checks your site from one location. A CDN edge goes down in Frankfurt. Your server in Virginia is fine. Your users in Tokyo see no issues. But the single check from Frankfurt fails, and your phone buzzes at 3am. This is the false alert problem. Single-region monitoring can't distinguish between "the internet is broken between point A and point B" and "your server is actually down." The fix sounds simple: