Stackoverflow is down? Current uptime and performance status in mar 2026

Health Metrics in last 24 hours

100 %

Availability

0.15 s

Response Time

0 s

Down time

Performance Metrics in last 24 hours

1.58 s

Speed Index

59 / 100

Perf. Score

75 / 100

SEO Score

77 / 100

PWA Score

88 / 100

Accessibility

UX Metrics

Information not available

SSL Certificate Details checked 17 hours ago

Validity

Valid

Expiry

41 days

Valid till

Tue Apr 21 2026

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 59 along with speed index of 1.58 seconds. Stackoverflow has SEO score of 75 and PWA score of 77. Stackoverflow certificate is good and will expire in 41 days. Realtime Performance and uptime status contains uptime monitoring metrics, performance monitoring, chrome ux metrics, global uptime and SSL certificate details.