What powers nih.go.jp?
Last seen Feb 2026 · 9 technologies across 8 categories
Advertising
Twitter Ads
since Jan 2023
Analytics
Authentication
Facebook Login
since Jan 2023
Font scripts
Google Font API
since May 2023
Miscellaneous
Open Graph
since May 2023
RSS
since Jan 2023
Security
HSTS
since Dec 2023
Web servers
Apache HTTP Server
since Aug 2018
Widgets
Twitter
since Jan 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.42 / 10 · ranked #22,645 of all domains
763 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Email: nih.go.jp
- Email security: SPF (hard fail), DMARC monitor only
- SSL: SECOM Trust Systems, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 428,784, 16 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| nocardia.nih.go.jp | 7 |
| mollicutes.nih.go.jp | 3 |
| biosyn.nih.go.jp | 2 |
| idsc.nih.go.jp | 1 |
| www.nih.go.jp | 1 |
| www0.nih.go.jp | 1 |