What powers niph.go.jp?
Last seen Jun 2026 · 36 technologies across 20 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| national institute of public health | #2 | 8 |
| karoshi | #20 | 7 |
| effects of fukushima disaster | #14 | 2 |
| fukushima effects | #15 | 2 |
| fukushima accident effects | #15 | 2 |
| fukushima accident effects | #15 | 2 |
| the fukushima daiichi nuclear accident | #96 | 1 |
| smoking rate in japan | #56 | 1 |
| national institute of health history | #17 | 1 |
| japanese smoking rate | #51 | 1 |
| japan smoking rate | #63 | 1 |
| japanese earthquake fukushima | #84 | 1 |
| karoshi japan | #21 | 1 |
| acid rain japan | #5 | 1 |
| hemmi | #26 | 1 |
| impacts of fukushima nuclear disaster | #34 | 1 |
| impact of fukushima disaster | #56 | 1 |
| effects of nuclear disaster in fukushima | #17 | 1 |
| fukushima nuclear disaster effects | #35 | 1 |
| fukushima nuclear disaster consequences | #31 | 1 |
| fukushima nuclear disaster effects | #35 | 1 |
| fukushima nuclear disaster consequences | #31 | 1 |
| fukushima nuclear accident effects | #32 | 1 |
| fukushima impact | #25 | 1 |
| fukushima daiichi nuclear disaster effects | #41 | 1 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 83% desktop
- 17% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.71 / 10 · ranked #12,989 of all domains
1,252 referring domains · OpenPageRank
Search traffic
46 est. monthly organic visits (US)
90 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.7 MB · 25 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| h-crisis.niph.go.jp | 17 |
| www.niph.go.jp | 15 |
| rctportal.niph.go.jp | 10 |
| jcrb.niph.go.jp | 9 |
| jrct.niph.go.jp | 9 |
| ndrecovery.niph.go.jp | 8 |
| c-info.niph.go.jp | 7 |
| mhlw-grants.niph.go.jp | 7 |
| rinri.niph.go.jp | 7 |
| www.radioactivity-db.niph.go.jp | 7 |
| c2h.niph.go.jp | 6 |
| icd.niph.go.jp | 6 |
| kenshin-db.niph.go.jp | 3 |
| courses.niph.go.jp | 1 |
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Recent changes
- dropped YouTube May 2026
- dropped WordPress Block Editor Apr 2026
- detected Twitter Emoji (Twemoji) Mar 2026
- detected WordPress Block Editor Nov 2025
- dropped Contact Form 7 Oct 2025