What powers 
reconstruction.go.jp?
Last seen Sep 2026 · 21 technologies across 12 categories
Analytics
Caching
CDN
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Performance
Security
Tag managers
Video players
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 robots.txt removed
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| tohoku japan earthquake | #3 | 5,900 |
| tohoku disaster | #3 | 5,900 |
| japan 2011 | #4 | 4,000 |
| tohoku earthquake japan | #5 | 2,800 |
| japan earthquake | #5 | 2,100 |
| japan earthquake and tsunami | #6 | 2,000 |
| japan earthquake tsunami | #3 | 1,800 |
| earthquake and tsunami in japan | #5 | 1,400 |
| tohoku 2011 | #3 | 790 |
| japan tsunami | #7 | 780 |
| tohoku japan earthquake 2011 | #4 | 530 |
| japan's 2011 earthquake | #4 | 530 |
| japan's 2011 earthquake | #4 | 530 |
| japan earthquake tsunami 2011 | #4 | 400 |
| tohoku earthquake tsunami | #14 | 340 |
| japan flood 2011 | #9 | 330 |
| japan disaster 2011 | #5 | 210 |
| great east japan earthquake | #2 | 140 |
| tohoku earthquake | #6 | 98 |
| march 11 2011 | #5 | 75 |
| tohoku earthquake death toll | #5 | 67 |
| east japan earthquake | #2 | 63 |
| japanese earthquake | #6 | 61 |
| earthquake in japan | #6 | 61 |
| largest earthquake in japan | #4 | 47 |
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.
AI Crawlers
No AI crawlers blocked
Audience
- 72% phone
- 27% desktop
- 2% tablet
Japan
Australia
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.39 / 10 · ranked #24,293 of all domains
556 referring domains · OpenPageRank
Search traffic
31,700 est. monthly organic visits (US)
400 keywords in Google's top 30
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Fastly
- Weight: 1.8 MB · 63 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Reconstruction Agency
- Founded: 2012
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Google (35.213.7.85)
- DNS: Amazon Route 53
- Email: no MX record returned
- Email security: SPF (hard fail)
- SSL: SECOM Trust Systems, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 448,391, 9 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| fukushima-updates.reconstruction.go.jp | 9 |
| expo2025-portal.reconstruction.go.jp | 8 |
| www.reconstruction.go.jp | 8 |
| f-rei.reconstruction.go.jp | 6 |
| jinzai.reconstruction.go.jp | 5 |
| jyoho-shien.reconstruction.go.jp | 5 |
| www.fukko-pr.reconstruction.go.jp | 1 |