This site is best viewed with Javascript

Cern uptime and performance status

Cern Insights

Last updated: 1 day ago

advertisement
Health Metrics in last 24 hours
100 %
Availability
1.25 s
Response Time
0 s
Down time
Performance Metrics in last 24 hours
3.40 s
Speed Index
25 / 100
Perf. Score
100 / 100
SEO Score
96 / 100
PWA Score
80 / 100
Accessibility
UX Metrics
Information not available
Locations pinged 1 day ago
SSL Certificate Details checked 1 day ago
Validity
Valid
Expiry
27 days
Valid till
Tue Nov 18 2025
Domains
Issued for
CERN Organisation Européenne pour la Recherche Nucléaire, Meyrin, Genève, CH
Issued by
Sectigo Limited, GB

Cern is down? Current uptime and performance status in oct 2025

Last updated: October 21, 2025

Cern has uptime of 100 % with 0 incidents in the last 24 hours. The performance score is 25 along with speed index of 3.40 seconds. Cern has SEO score of 100 and PWA score of 96. Cern certificate is good and will expire in 27 days. Realtime Performance and uptime status contains uptime monitoring metrics, performance monitoring, chrome ux metrics, global uptime and SSL certificate details.

Performance monitoring simplified
Performance
Uptime
Global check
Chrome UX
SSL checks
Alerts
advertisement