Stack Overflow Outage History

Stack Overflow is up right now

Stack Overflow had 7 outages in the last 2 years — averaging 0.3 incidents per month.

There were 7 Stack Overflow outages since April 1, 2025. Each is summarised below — incident details, duration, and resolution information.

Source: https://www.stackstatus.net

Major October 5, 2026

Stack Exchange Network is down

Detected by Pingoru
Oct 05, 2026, 04:02 AM UTC
Resolved
Oct 05, 2026, 04:02 AM UTC
Duration
—
Affected: Stack Overflow service
Timeline · 2 updates
  1. resolved Oct 05, 2026, 04:02 AM UTC

    Sites are back up and stable Impacted: StackExchange Network Sites, StackExchange.com

  2. resolved Oct 05, 2026, 04:02 AM UTC

    [Resolved] Sites are back up and stable Impacted: StackExchange Network Sites, StackExchange.com

Read the full incident report →

Minor July 17, 2026

Service disruption affecting Stack Internal

Detected by Pingoru
Jul 17, 2026, 01:49 PM UTC
Resolved
Jul 17, 2026, 01:49 PM UTC
Duration
—
Affected: Stack Overflow service
Timeline · 2 updates
  1. resolved Jul 17, 2026, 01:49 PM UTC

    The outage has been resolved. Impacted: Stack Internal - Free, Basic, Business

  2. resolved Jul 17, 2026, 01:49 PM UTC

    [Resolved] The outage has been resolved. Impacted: Stack Internal - Free, Basic, Business

Read the full incident report →

Minor December 1, 2025

Site access could be degraded

Detected by Pingoru
Dec 01, 2025, 03:35 PM UTC
Resolved
Dec 01, 2025, 03:35 PM UTC
Duration
—
Affected: Stack Overflow service
Timeline · 2 updates
  1. resolved Dec 01, 2025, 03:35 PM UTC

    Cloudflare incident has resolved. Impacted: StackExchange Network Sites

  2. resolved Dec 01, 2025, 03:35 PM UTC

    [Resolved] Cloudflare incident has resolved. Impacted: StackExchange Network Sites

Read the full incident report →

Minor September 22, 2025

SEDE is flapping

Detected by Pingoru
Sep 22, 2025, 02:50 PM UTC
Resolved
Sep 22, 2025, 02:50 PM UTC
Duration
—
Affected: Stack Overflow service
Timeline · 2 updates
  1. resolved Sep 22, 2025, 02:50 PM UTC

    SEDE has been stable throughout the weekend. Impacted: StackExchange.com

  2. resolved Sep 22, 2025, 02:50 PM UTC

    [Resolved] SEDE has been stable throughout the weekend. Impacted: StackExchange.com

Read the full incident report →

Major April 23, 2025

SocketServer Down

Detected by Pingoru
Apr 23, 2025, 01:02 AM UTC
Resolved
Apr 23, 2025, 01:02 AM UTC
Duration
—
Affected: Stack Overflow service
Timeline · 2 updates
  1. resolved Apr 23, 2025, 01:02 AM UTC

    The code fix has been deployed Impacted: StackExchange Network Sites

  2. resolved Apr 23, 2025, 01:02 AM UTC

    [Resolved] The code fix has been deployed Impacted: StackExchange Network Sites

Read the full incident report →

Minor April 3, 2025

Stack Overflow Unavailable

Detected by Pingoru
Apr 03, 2025, 04:54 PM UTC
Resolved
Apr 03, 2025, 04:54 PM UTC
Duration
—
Affected: Stack Overflow service
Timeline · 2 updates
  1. resolved Apr 03, 2025, 04:54 PM UTC

    The site is now stable. Impacted: StackExchange Network Sites

  2. resolved Apr 03, 2025, 04:54 PM UTC

    [Resolved] The site is now stable. Impacted: StackExchange Network Sites

Read the full incident report →

Minor April 1, 2025

Stack Overflow migration to GCP

Detected by Pingoru
Apr 01, 2025, 06:37 PM UTC
Resolved
Apr 01, 2025, 06:37 PM UTC
Duration
—
Affected: Stack Overflow service
Timeline · 2 updates
  1. resolved Apr 01, 2025, 06:37 PM UTC

    The maintenance has been completed. Impacted: StackExchange Network Sites, Stack Exchange API

  2. resolved Apr 01, 2025, 06:37 PM UTC

    [Resolved] The maintenance has been completed. Impacted: StackExchange Network Sites, Stack Exchange API

Read the full incident report →