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

Health Metrics in last 24 hours

100 %

Availability

0.15 s

Response Time

0 s

Down time

Performance Metrics in last 24 hours

2.38 s

Speed Index

41 / 100

Perf. Score

75 / 100

SEO Score

54 / 100

PWA Score

92 / 100

Accessibility

UX Metrics

Information not available

Locations pinged 19 hours ago

SSL Certificate Details checked 19 hours ago

Validity

Valid

Expiry

49 days

Valid till

Fri Jun 19 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 41 along with speed index of 2.38 seconds. Stackoverflow has SEO score of 75 and PWA score of 54. Stackoverflow certificate is good and will expire in 49 days. Realtime Performance and uptime status contains uptime monitoring metrics, performance monitoring, chrome ux metrics, global uptime and SSL certificate details.

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