Csdn is down? Current uptime and performance status in jun 2026

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

Information not available

SSL Certificate Details checked 3 hours ago

Validity

Valid

Expiry

159 days

Valid till

Tue Nov 24 2026

Domains

DNS:*.csdn.net, DNS:csdn.net

Issued for

北京创新乐知网络技术有限公司, 北京市, 北京市, CN

Issued by

Beijing Xinchacha Credit Management Co., Ltd., CN

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.