Caltech is down? Current uptime and performance status in dec 2025

Health Metrics in last 24 hours

100 %

Availability

1.24 s

Response Time

0 s

Down time

Performance Metrics in last 24 hours

0.84 s

Speed Index

81 / 100

Perf. Score

92 / 100

SEO Score

100 / 100

PWA Score

92 / 100

Accessibility

UX Metrics

Information not available

SSL Certificate Details checked 2 days ago

Validity

Valid

Expiry

357 days

Valid till

Fri Dec 04 2026

Domains

Issued for

California Institute of Technology, Pasadena, California, US

Issued by

Internet2, US

Caltech has uptime of 100 % with 0 incidents in the last 24 hours. The performance score is 81 along with speed index of 0.84 seconds. Caltech has SEO score of 92 and PWA score of 100. Caltech certificate is good and will expire in 357 days. Realtime Performance and uptime status contains uptime monitoring metrics, performance monitoring, chrome ux metrics, global uptime and SSL certificate details.