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Health Metrics in last 24 hours
- %
Availability
- s
Response Time
0 s
Down time
Performance Metrics in last 24 hours
6.20 s
Speed Index
55 / 100
Perf. Score
77 / 100
SEO Score
73 / 100
PWA Score
49 / 100
Accessibility
UX Metrics
Locations
SSL Certificate Details checked 1 hour ago
Validity
ValidExpiry
159 daysValid till
Tue Nov 24 2026Domains
DNS:*.csdn.net, DNS:csdn.netIssued for
北京创新乐知网络技术有限公司, 北京市, 北京市, CNIssued by
Beijing Xinchacha Credit Management Co., Ltd., CNCsdn is down? Current uptime and performance status in jun 2026
Last updated: June 18, 2026
Csdn has uptime of 100 % with 0 incidents in the last 24 hours. The performance score is 55 along with speed index of 6.20 seconds. Csdn has SEO score of 77 and PWA score of 73. Csdn certificate is good and will expire in 159 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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