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Health Metrics in last 24 hours
100 %
Availability
0.36 s
Response Time
0 s
Down time
Performance Metrics in last 24 hours
1.62 s
Speed Index
71 / 100
Perf. Score
92 / 100
SEO Score
96 / 100
PWA Score
96 / 100
Accessibility
UX Metrics
Locations pinged 1 day ago
SSL Certificate Details checked 1 day ago
Validity
ValidExpiry
84 daysValid till
Mon Apr 20 2026Domains
DNS:www.si.eduIssued for
Smithsonian Institution, Washington, District of Columbia, USIssued by
Let's Encrypt, USSi is down? Current uptime and performance status in jan 2026
Last updated: January 25, 2026
Si has uptime of 100 % with 0 incidents in the last 24 hours. The performance score is 71 along with speed index of 1.62 seconds. Si has SEO score of 92 and PWA score of 96. Si certificate is good and will expire in 84 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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