Niconico is down? Current uptime and performance status in dec 2025

Niconico Insights

Last updated: 2 hours ago

Health Metrics in last 24 hours

100 %

Availability

1.52 s

Response Time

0 s

Down time

Performance Metrics in last 24 hours

6.47 s

Speed Index

48 / 100

Perf. Score

100 / 100

SEO Score

35 / 100

PWA Score

79 / 100

Accessibility

UX Metrics checked 2 hours ago

First Contentful Paint (FCP)

0.91 s

Good(<1s)

Average

Poor(>=3s)

First Input Delay (FID)

0.00 s

Good(<0.1s)

Average

Poor(>=0.3s)

Largest Contentful Paint (LCP)

1.50 s

Good(<2.5s)

Average

Poor(>=4s)

Cumulative Layout Shift (CLS)

0.04

Good(<0.10)

Average

Poor(>=0.25)

SSL Certificate Details checked 2 hours ago

Validity

Valid

Expiry

363 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

Niconico is down? Current uptime and performance status in dec 2025

Last updated: December 15, 2025

Niconico has uptime of 100 % with 0 incidents in the last 24 hours. The performance score is 48 along with speed index of 6.47 seconds. Niconico has SEO score of 100 and PWA score of 35. Niconico certificate is good and will expire in 363 days. Realtime Performance and uptime status contains uptime monitoring metrics, performance monitoring, chrome ux metrics, global uptime and SSL certificate details.