What powers 
rofuku.net?
Last seen Oct 2026 · 32 technologies across 18 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
Hosting
Hosting panels
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
UI frameworks
Web servers
Webmail
WordPress plugins
WordPress themes
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 50% desktop
- 50% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.06 / 10 · ranked #527,326 of all domains
116 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 0.1 MB · 19 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Aug 2001 (25 years) via GMO Internet Group, Inc. d/b/a Onamae.com, renews Aug 2027
- Hosted on CPI-NET - KDDI Web Communications Inc. (180.235.240.218)
- DNS: value-domain.com
- Email: secure.ne.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 648,769, 36 hosts
DNS records as swept Nov 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| yamagata.rofuku.net | 18 |
| saitama.rofuku.net | 16 |
| www.rofuku.net | 12 |
| blog.rofuku.net | 11 |
| gifu.rofuku.net | 5 |
| tottori.rofuku.net | 4 |
| oita.rofuku.net | 3 |
| shimane.rofuku.net | 3 |