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

Health Metrics in last 24 hours

100 %

Availability

1.24 s

Response Time

0 s

Down time

Performance Metrics in last 24 hours

1.02 s

Speed Index

91 / 100

Perf. Score

92 / 100

SEO Score

92 / 100

PWA Score

89 / 100

Accessibility

UX Metrics

Information not available

Locations pinged 20 mins ago

SSL Certificate Details checked 20 mins ago

Validity

Valid

Expiry

198 days

Valid till

Fri May 22 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 91 along with speed index of 1.02 seconds. Caltech has SEO score of 92 and PWA score of 92. Caltech certificate is good and will expire in 198 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