Downdetector

How DownDetector Works: The Crowdsourced Power Behind Real-Time Outage Detection In an increasingly digital world, few things are more frustrating than a service outage—whether it’s your internet provider failing, a social media platform crashing, or your banking app refusing to load. Enter DownDetector, the world’s leading platform for real-time service status information. By aggregating tens of millions of user-submitted problem reports each month, DownDetector detects outages across over 25,000 services in 64 countries, helping millions of users and businesses alike understand if their issues are isolated glitches or widespread disruptions[1][2][3]. ...

Introduction Downdetector stands as the world’s leading platform for real-time service status updates, tracking over 20,000 services across 49 countries and serving hundreds of millions of users monthly.[2] Unlike traditional monitoring tools that rely on internal metrics, Downdetector leverages crowdsourced user reports combined with signals from social media and web sources to detect outages.[2] This blog post dissects its internal workings, focusing on data collection, baseline calculations, aggregation algorithms, and incident thresholding—drawing directly from official methodology disclosures for an accurate, technical breakdown.[2] ...