Niconico is down? Current uptime and performance status in September 2026

https://www.nicovideo.jp

Checked an hour ago

Niconico has uptime of 100 % with 0 incidents in the available monitoring period. The performance score is 49 along with speed index of 6.36 seconds. Niconico has SEO score of 92 and PWA score of 73. Niconico 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.

Health Metrics

Availability

100%

Good

Response time

0.56s

Needs improvement

Downtime

Good

Performance Metrics

Speed index

6.36

Good

Performance

/100

Poor

SEO

/100

Good

PWA

/100

Needs improvement

Accessibility

/100

Needs improvement

UX Metrics

Available

First Contentful Paint (FCP)

0.99 s

94.2%

3.87%

1.93%

Good (<1s)AveragePoor (>=3s)

Largest Contentful Paint (LCP)

1.60 s

89.39%

6.89%

3.72%

Good (<2.5s)AveragePoor (>=4s)

Cumulative Layout Shift (CLS)

0.04

89.81%

4.79%

5.4%

Good (<0.10)AveragePoor (>=0.25)

Locations

SSL Certificate Details

Valid

Expiry: 84 days
Valid till: Sun Dec 13 2026
Domains: DNS:nicovideo.jp, DNS:video.nicovideo.jp, DNS:*.nicovideo.jp, DNS:*.video.nicovideo.jp
Issued for: DWANGO Co.,Ltd., Chuo-ku, Tokyo, JP
Issued by: Amazon, US

Performance monitoring simplified

PerformanceUptimeGlobal checksChrome UXSSL checksAlerts

Start monitoring