What powers chofu.lg.jp?
Last seen Sep 2026 · 7 technologies across 6 categories
Analytics
Google Analytics
since Mar 2024
CDN
Amazon CloudFront
since Mar 2024
JavaScript libraries
Miscellaneous
Open Graph
since Mar 2024
PaaS
Amazon Web Services
since Mar 2024
Security
HSTS
since Mar 2024
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
- 69% phone
- 29% desktop
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.54 / 10 · ranked #73,481 of all domains
267 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 2.4 MB · 98 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Chōfu
- Founded: 1955
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Email: no MX record returned
- SSL: GlobalSign, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 556,630, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Amazon CloudFront Jul 2026
- detected Amazon Web Services Jul 2026
- detected Google Analytics Jul 2026
- detected HSTS Jul 2026
- detected jQuery Jul 2026
- detected Open Graph Jul 2026
- detected Splide Jul 2026