What powers 
cofi.or.jp?
Last seen Sep 2026 · 38 technologies across 17 categories
Analytics
CDN
CMS
CRM
Databases
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
UI frameworks
Web servers
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.54 / 10 · ranked #852,545 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 2.8 MB · 158 requests
- WordPress theme: cwj2022 · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (141.193.213.10)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 14,759,703, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cofi.or.jp | 36 |
| www.cofi.or.jp | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Hammer.js Feb 2026
- detected Twitter Emoji (Twemoji) Feb 2026