Stackoverflow is down? Current uptime and performance status in nov 2025

Health Metrics in last 24 hours

100 %

Availability

0.15 s

Response Time

0 s

Down time

Performance Metrics in last 24 hours

1.79 s

Speed Index

48 / 100

Perf. Score

83 / 100

SEO Score

96 / 100

PWA Score

89 / 100

Accessibility

UX Metrics

Information not available

SSL Certificate Details checked 21 mins ago

Validity

Valid

Expiry

39 days

Valid till

Wed Dec 24 2025

Domains

DNS:www.stackoverflow.com

Issued for

, , ,

Issued by

Let's Encrypt, US

Stackoverflow has uptime of 100 % with 0 incidents in the last 24 hours. The performance score is 48 along with speed index of 1.79 seconds. Stackoverflow has SEO score of 83 and PWA score of 96. Stackoverflow certificate is good and will expire in 39 days. Realtime Performance and uptime status contains uptime monitoring metrics, performance monitoring, chrome ux metrics, global uptime and SSL certificate details.