Japanpost is down? Current uptime and performance status in August 2026

https://www.japanpost.jp

Checked 39 minutes ago

Japanpost has uptime of 100 % with 0 incidents in the available monitoring period. The performance score is 39 along with speed index of 1.95 seconds. Japanpost has SEO score of 100 and PWA score of 96. Japanpost certificate is good and will expire in 213 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

0.27s

Good

Downtime

Good

Performance Metrics

Speed index

1.95

Good

Performance

/100

Poor

SEO

100

/100

Good

PWA

/100

Good

Accessibility

/100

Needs improvement

UX Metrics

Available

First Contentful Paint (FCP)

1.14 s

88.95%

6.6%

4.45%

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

Largest Contentful Paint (LCP)

1.85 s

85.78%

9.42%

4.8%

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

Cumulative Layout Shift (CLS)

0.3

65.66%

5.48%

28.86%

Good (<0.10)AveragePoor (>=0.25)

Locations

SSL Certificate Details

Valid

Expiry: 213 days
Valid till: Mon Mar 22 2027
Domains: DNS:*.japanpost.jp, DNS:japanpost.jp
Issued for: Japan Post Holdings Co., Ltd., Chiyoda-ku, Tokyo, JP
Issued by: Cybertrust Japan Co., Ltd., JP

Performance monitoring simplified

PerformanceUptimeGlobal checksChrome UXSSL checksAlerts

Start monitoring