Stack Overflow had 30 outages in the last 2 years totaling 44h 34m of downtime — averaging 1.2 incidents per month.
There were 30 Stack Overflow outages since April 27, 2026 totaling 44h 34m of downtime. Each is summarised below — incident details, duration, and resolution information.
Incident: We're receiving reports of intermittent site connectivity affecting some sites across our platform. The reports are of the error ERR_ADDRESS_UNREACHABLE. Our System Administration team is investigating this further now, and updates will be provided as more information becomes available.
Incident: We're aware of intermittent connectivity on our shared e-mail platform. Our System Administrators are currently investigating, and updates will be provided as we have more information available.
Incident Update: The issue has now been resolved by our system administrators, and all affected services are operating normally.
Incident Update: Our system administrators have now resolved the previous issue with SSH. We apologise for any inconvenience caused.
Incident: We're aware of issues with SSH connectivity to hosting packages in the UK at the moment. Our system administration team are looking into this now, and we will provide a further update shortly.