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

Health Metrics in last 24 hours

100 %

Availability

0.15 s

Response Time

0 s

Down time

Performance Metrics in last 24 hours

2.70 s

Speed Index

21 / 100

Perf. Score

83 / 100

SEO Score

54 / 100

PWA Score

86 / 100

Accessibility

UX Metrics

Information not available

SSL Certificate Details checked 3 hours ago

Validity

Valid

Expiry

60 days

Valid till

Mon Aug 17 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 21 along with speed index of 2.70 seconds. Stackoverflow has SEO score of 83 and PWA score of 54. Stackoverflow certificate is good and will expire in 60 days. Realtime Performance and uptime status contains uptime monitoring metrics, performance monitoring, chrome ux metrics, global uptime and SSL certificate details.