#websites
Why do websites and apps go down? Common causes explained
Websites and apps can go offline because of overloaded servers, DNS failures, software bugs, cloud or network problems, cyberattacks and physical infrastructure failures. Understanding these causes helps explain why even major online services can experience outages. Even the world’s largest websites and apps can suddenly stop working. Users may see blank pages, failed logins, endless loading screens, connection errors or messages such as 502, 503 and 504.
Why do websites and apps go down? Common causes explained
Websites and apps can go offline because of overloaded servers, DNS failures, software bugs, cloud or network problems, cyberattacks and physical infrastructure failures. Understanding these causes helps explain why even major online services can experience outages. Even the world’s largest websites and apps can suddenly stop working. Users may see blank pages, failed logins, endless loading screens, connection errors or messages such as 502, 503 and 504.
What is Downdetector and how does it track internet outages?
Downdetector is a real-time outage monitoring service that tracks user reports and other signals for websites, apps and online services. Its charts can reveal unusual disruption patterns, but the totals should not be treated as confirmed counts of affected customers. When a major app, website or online service stops working, Downdetector is often one of the first places users check. The platform monitors reports of service problems across internet provider
What is Downdetector and how does it track internet outages?
Downdetector is a real-time outage monitoring service that tracks user reports and other signals for websites, apps and online services. Its charts can reveal unusual disruption patterns, but the totals should not be treated as confirmed counts of affected customers. When a major app, website or online service stops working, Downdetector is often one of the first places users check. The platform monitors reports of service problems across internet provider









