What powers 
ceri.go.jp?
Last seen Oct 2026 · 10 technologies across 6 categories
Analytics
CDN
JavaScript libraries
Miscellaneous
Programming languages
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| ceri | #38 | 5 |
| cold region | #76 | 0 |
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 robots.txt, all AI crawlers allowed
Audience
- 67% desktop
- 33% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.58 / 10 · ranked #149,528 of all domains
141 referring domains · OpenPageRank
Search traffic
5 est. monthly organic visits (US)
2 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.1 MB · 58 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: ceri.go.jp
- Email: ceri.go.jp
- Email security: SPF (hard fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 697,347, 19 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ceri.go.jp | 8 |
| chouseikan.ceri.go.jp | 7 |
| scenic.ceri.go.jp | 3 |
| river.ceri.go.jp | 2 |
| thesis.ceri.go.jp | 2 |
| www2.ceri.go.jp | 2 |
| zairyo.ceri.go.jp | 2 |
| jiban.ceri.go.jp | 1 |
| northern-road.ceri.go.jp | 1 |